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f74b50e380
grub2/0107-Remove-nested-functions-from-memory-map-iterators.patch
Peter Jones f74b50e380 Rebase to upstream, fix a pile of bugs. The usual. 
Signed-off-by: Peter Jones <pjones@redhat.com>
2013-06-12 15:37:08 -04:00

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From 8cfbc2324ec86aa465ec9a70d61aafe5ae38c2ab Mon Sep 17 00:00:00 2001
From: Colin Watson <cjwatson@ubuntu.com>
Date: Tue, 15 Jan 2013 12:02:35 +0000
Subject: [PATCH 107/482] Remove nested functions from memory map iterators.
* grub-core/efiemu/mm.c (grub_efiemu_mmap_iterate): Add hook_data
argument, passed to hook.
* grub-core/kern/i386/coreboot/mmap.c
(grub_linuxbios_table_iterate): Likewise.
(grub_machine_mmap_iterate: iterate_linuxbios_table): Make static
instead of nested.
(grub_machine_mmap_iterate): Add hook_data argument.
* grub-core/kern/i386/multiboot_mmap.c (grub_machine_mmap_iterate):
Add hook_data argument, passed to hook.
* grub-core/kern/i386/pc/mmap.c (grub_machine_mmap_iterate):
Likewise.
* grub-core/kern/i386/qemu/mmap.c (grub_machine_mmap_iterate):
Likewise.
* grub-core/kern/ieee1275/mmap.c (grub_machine_mmap_iterate):
Likewise.
* grub-core/kern/mips/arc/init.c (grub_machine_mmap_iterate):
Likewise.
* grub-core/kern/mips/loongson/init.c (grub_machine_mmap_iterate):
Likewise.
* grub-core/kern/mips/qemu_mips/init.c (grub_machine_mmap_iterate):
Likewise.
* grub-core/mmap/efi/mmap.c (grub_efi_mmap_iterate): Likewise.
(grub_machine_mmap_iterate): Likewise.
* grub-core/mmap/mmap.c (grub_mmap_iterate): Likewise.
* include/grub/efiemu/efiemu.h (grub_efiemu_mmap_iterate): Update
prototype.
* include/grub/memory.h (grub_memory_hook_t): Add data argument.
Remove NESTED_FUNC_ATTR from here and from all users.
(grub_mmap_iterate): Update prototype.
(grub_efi_mmap_iterate): Update prototype. Update all callers to
pass appropriate hook data.
(grub_machine_mmap_iterate): Likewise.
* grub-core/commands/acpi.c (grub_acpi_create_ebda: find_hook): Make
static instead of nested.
* grub-core/commands/lsmmap.c (grub_cmd_lsmmap: hook): Likewise.
Rename to ...
(lsmmap_hook): ... this.
* grub-core/efiemu/mm.c (grub_efiemu_mmap_init: bounds_hook):
Likewise.
(grub_efiemu_mmap_fill: fill_hook): Likewise.
* grub-core/kern/i386/coreboot/init.c (grub_machine_init:
heap_init): Likewise.
* grub-core/kern/i386/pc/init.c (grub_machine_init: hook): Likewise.
Rename to ...
(mmap_iterate_hook): ... this.
* grub-core/kern/ieee1275/init.c (grub_claim_heap: heap_init):
Likewise.
* grub-core/lib/ieee1275/relocator.c
(grub_relocator_firmware_get_max_events: count): Likewise.
(grub_relocator_firmware_fill_events: fill): Likewise. Rename
to ...
(grub_relocator_firmware_fill_events_iter): ... this.
* grub-core/lib/relocator.c (grub_relocator_alloc_chunk_align:
hook): Likewise. Rename to ...
(grub_relocator_alloc_chunk_align_iter): ... this.
* grub-core/loader/i386/bsd.c (generate_e820_mmap: hook): Likewise.
Rename to ...
(generate_e820_mmap_iter): ... this.
* grub-core/loader/i386/linux.c (find_mmap_size: hook): Likewise.
Rename to ...
(count_hook): ... this.
(grub_linux_boot: hook): Likewise. Rename to ...
(grub_linux_boot_mmap_find): ... this.
(grub_linux_boot: hook_fill): Likewise. Rename to ...
(grub_linux_boot_mmap_fill): ... this.
* grub-core/loader/i386/multiboot_mbi.c (grub_fill_multiboot_mmap:
hook): Likewise. Rename to ...
(grub_fill_multiboot_mmap_iter): ... this.
* grub-core/loader/multiboot.c (grub_get_multiboot_mmap_count:
hook): Likewise. Rename to ...
(count_hook): ... this.
* grub-core/loader/multiboot_mbi2.c (grub_fill_multiboot_mmap:
hook): Likewise. Rename to ...
(grub_fill_multiboot_mmap_iter): ... this.
* grub-core/loader/powerpc/ieee1275/linux.c
(grub_linux_claimmap_iterate: alloc_mem): Likewise.
* grub-core/loader/sparc64/ieee1275/linux.c (alloc_phys: choose):
Likewise. Rename to ...
(alloc_phys_choose): ... this.
(determine_phys_base: get_physbase): Likewise.
* grub-core/mmap/i386/mmap.c (grub_mmap_malign_and_register:
find_hook): Likewise.
* grub-core/mmap/i386/pc/mmap.c (preboot: fill_hook): Likewise.
(malloc_hook: count_hook): Likewise.
* grub-core/mmap/i386/uppermem.c (grub_mmap_get_lower: hook):
Likewise. Rename to ...
(lower_hook): ... this.
(grub_mmap_get_upper: hook): Likewise. Rename to ...
(upper_hook): ... this.
(grub_mmap_get_post64: hook): Likewise. Rename to ...
(post64_hook): ... this.
* grub-core/mmap/mips/uppermem.c (grub_mmap_get_lower: hook):
Likewise. Rename to ...
(lower_hook): ... this.
(grub_mmap_get_upper: hook): Likewise. Rename to ...
(upper_hook): ... this.
* grub-core/mmap/mmap.c (grub_mmap_iterate: count_hook): Likewise.
(grub_mmap_iterate: fill_hook): Likewise.
(fill_mask): Pass addr and mask within a single struct.
(grub_cmd_badram: hook): Make static instead of nested. Rename
to ...
(badram_iter): ... this.
(grub_cmd_cutmem: hook): Likewise. Rename to ...
(cutmem_iter): ... this.
---
ChangeLog | 110 +++++++++
grub-core/commands/acpi.c | 55 +++--
grub-core/commands/lsmmap.c | 31 ++-
grub-core/efiemu/mm.c | 97 ++++----
grub-core/kern/i386/coreboot/init.c | 68 +++---
grub-core/kern/i386/coreboot/mmap.c | 66 +++--
grub-core/kern/i386/multiboot_mmap.c | 4 +-
grub-core/kern/i386/pc/init.c | 61 ++---
grub-core/kern/i386/pc/mmap.c | 14 +-
grub-core/kern/i386/qemu/mmap.c | 14 +-
grub-core/kern/ieee1275/init.c | 124 +++++-----
grub-core/kern/ieee1275/mmap.c | 4 +-
grub-core/kern/mips/arc/init.c | 4 +-
grub-core/kern/mips/loongson/init.c | 6 +-
grub-core/kern/mips/qemu_mips/init.c | 4 +-
grub-core/lib/ieee1275/relocator.c | 102 ++++----
grub-core/lib/relocator.c | 143 ++++++-----
grub-core/loader/i386/bsd.c | 136 ++++++-----
grub-core/loader/i386/linux.c | 256 ++++++++++----------
grub-core/loader/i386/multiboot_mbi.c | 74 +++---
grub-core/loader/multiboot.c | 23 +-
grub-core/loader/multiboot_mbi2.c | 66 ++---
grub-core/loader/powerpc/ieee1275/linux.c | 76 +++---
grub-core/loader/sparc64/ieee1275/linux.c | 129 +++++-----
grub-core/mmap/efi/mmap.c | 23 +-
grub-core/mmap/i386/mmap.c | 52 ++--
grub-core/mmap/i386/pc/mmap.c | 49 ++--
grub-core/mmap/i386/uppermem.c | 83 ++++---
grub-core/mmap/mips/uppermem.c | 58 ++---
grub-core/mmap/mmap.c | 388 ++++++++++++++++--------------
include/grub/efiemu/efiemu.h | 2 +-
include/grub/memory.h | 18 +-
32 files changed, 1305 insertions(+), 1035 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 1c0e633..d07f235 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,113 @@
+2013-01-15 Colin Watson <cjwatson@ubuntu.com>
+
+ Remove nested functions from memory map iterators.
+
+ * grub-core/efiemu/mm.c (grub_efiemu_mmap_iterate): Add hook_data
+ argument, passed to hook.
+ * grub-core/kern/i386/coreboot/mmap.c
+ (grub_linuxbios_table_iterate): Likewise.
+ (grub_machine_mmap_iterate: iterate_linuxbios_table): Make static
+ instead of nested.
+ (grub_machine_mmap_iterate): Add hook_data argument.
+ * grub-core/kern/i386/multiboot_mmap.c (grub_machine_mmap_iterate):
+ Add hook_data argument, passed to hook.
+ * grub-core/kern/i386/pc/mmap.c (grub_machine_mmap_iterate):
+ Likewise.
+ * grub-core/kern/i386/qemu/mmap.c (grub_machine_mmap_iterate):
+ Likewise.
+ * grub-core/kern/ieee1275/mmap.c (grub_machine_mmap_iterate):
+ Likewise.
+ * grub-core/kern/mips/arc/init.c (grub_machine_mmap_iterate):
+ Likewise.
+ * grub-core/kern/mips/loongson/init.c (grub_machine_mmap_iterate):
+ Likewise.
+ * grub-core/kern/mips/qemu_mips/init.c (grub_machine_mmap_iterate):
+ Likewise.
+ * grub-core/mmap/efi/mmap.c (grub_efi_mmap_iterate): Likewise.
+ (grub_machine_mmap_iterate): Likewise.
+ * grub-core/mmap/mmap.c (grub_mmap_iterate): Likewise.
+ * include/grub/efiemu/efiemu.h (grub_efiemu_mmap_iterate): Update
+ prototype.
+ * include/grub/memory.h (grub_memory_hook_t): Add data argument.
+ Remove NESTED_FUNC_ATTR from here and from all users.
+ (grub_mmap_iterate): Update prototype.
+ (grub_efi_mmap_iterate): Update prototype. Update all callers to
+ pass appropriate hook data.
+ (grub_machine_mmap_iterate): Likewise.
+
+ * grub-core/commands/acpi.c (grub_acpi_create_ebda: find_hook): Make
+ static instead of nested.
+ * grub-core/commands/lsmmap.c (grub_cmd_lsmmap: hook): Likewise.
+ Rename to ...
+ (lsmmap_hook): ... this.
+ * grub-core/efiemu/mm.c (grub_efiemu_mmap_init: bounds_hook):
+ Likewise.
+ (grub_efiemu_mmap_fill: fill_hook): Likewise.
+ * grub-core/kern/i386/coreboot/init.c (grub_machine_init:
+ heap_init): Likewise.
+ * grub-core/kern/i386/pc/init.c (grub_machine_init: hook): Likewise.
+ Rename to ...
+ (mmap_iterate_hook): ... this.
+ * grub-core/kern/ieee1275/init.c (grub_claim_heap: heap_init):
+ Likewise.
+ * grub-core/lib/ieee1275/relocator.c
+ (grub_relocator_firmware_get_max_events: count): Likewise.
+ (grub_relocator_firmware_fill_events: fill): Likewise. Rename
+ to ...
+ (grub_relocator_firmware_fill_events_iter): ... this.
+ * grub-core/lib/relocator.c (grub_relocator_alloc_chunk_align:
+ hook): Likewise. Rename to ...
+ (grub_relocator_alloc_chunk_align_iter): ... this.
+ * grub-core/loader/i386/bsd.c (generate_e820_mmap: hook): Likewise.
+ Rename to ...
+ (generate_e820_mmap_iter): ... this.
+ * grub-core/loader/i386/linux.c (find_mmap_size: hook): Likewise.
+ Rename to ...
+ (count_hook): ... this.
+ (grub_linux_boot: hook): Likewise. Rename to ...
+ (grub_linux_boot_mmap_find): ... this.
+ (grub_linux_boot: hook_fill): Likewise. Rename to ...
+ (grub_linux_boot_mmap_fill): ... this.
+ * grub-core/loader/i386/multiboot_mbi.c (grub_fill_multiboot_mmap:
+ hook): Likewise. Rename to ...
+ (grub_fill_multiboot_mmap_iter): ... this.
+ * grub-core/loader/multiboot.c (grub_get_multiboot_mmap_count:
+ hook): Likewise. Rename to ...
+ (count_hook): ... this.
+ * grub-core/loader/multiboot_mbi2.c (grub_fill_multiboot_mmap:
+ hook): Likewise. Rename to ...
+ (grub_fill_multiboot_mmap_iter): ... this.
+ * grub-core/loader/powerpc/ieee1275/linux.c
+ (grub_linux_claimmap_iterate: alloc_mem): Likewise.
+ * grub-core/loader/sparc64/ieee1275/linux.c (alloc_phys: choose):
+ Likewise. Rename to ...
+ (alloc_phys_choose): ... this.
+ (determine_phys_base: get_physbase): Likewise.
+ * grub-core/mmap/i386/mmap.c (grub_mmap_malign_and_register:
+ find_hook): Likewise.
+ * grub-core/mmap/i386/pc/mmap.c (preboot: fill_hook): Likewise.
+ (malloc_hook: count_hook): Likewise.
+ * grub-core/mmap/i386/uppermem.c (grub_mmap_get_lower: hook):
+ Likewise. Rename to ...
+ (lower_hook): ... this.
+ (grub_mmap_get_upper: hook): Likewise. Rename to ...
+ (upper_hook): ... this.
+ (grub_mmap_get_post64: hook): Likewise. Rename to ...
+ (post64_hook): ... this.
+ * grub-core/mmap/mips/uppermem.c (grub_mmap_get_lower: hook):
+ Likewise. Rename to ...
+ (lower_hook): ... this.
+ (grub_mmap_get_upper: hook): Likewise. Rename to ...
+ (upper_hook): ... this.
+ * grub-core/mmap/mmap.c (grub_mmap_iterate: count_hook): Likewise.
+ (grub_mmap_iterate: fill_hook): Likewise.
+ (fill_mask): Pass addr and mask within a single struct.
+ (grub_cmd_badram: hook): Make static instead of nested. Rename
+ to ...
+ (badram_iter): ... this.
+ (grub_cmd_cutmem: hook): Likewise. Rename to ...
+ (cutmem_iter): ... this.
+
2013-01-13 Vladimir Serbinenko <phcoder@gmail.com>
* grub-core/kern/emu/hostdisk.c (read_device_map): Explicitly
diff --git a/grub-core/commands/acpi.c b/grub-core/commands/acpi.c
index c6be5e1..891e392 100644
--- a/grub-core/commands/acpi.c
+++ b/grub-core/commands/acpi.c
@@ -142,49 +142,58 @@ iszero (grub_uint8_t *reg, int size)
}
#if defined (__i386__) || defined (__x86_64__)
+/* Context for grub_acpi_create_ebda. */
+struct grub_acpi_create_ebda_ctx {
+ int ebda_len;
+ grub_uint64_t highestlow;
+};
+
+/* Helper for grub_acpi_create_ebda. */
+static int
+find_hook (grub_uint64_t start, grub_uint64_t size, grub_memory_type_t type,
+ void *data)
+{
+ struct grub_acpi_create_ebda_ctx *ctx = data;
+ grub_uint64_t end = start + size;
+ if (type != GRUB_MEMORY_AVAILABLE)
+ return 0;
+ if (end > 0x100000)
+ end = 0x100000;
+ if (end > start + ctx->ebda_len
+ && ctx->highestlow < ((end - ctx->ebda_len) & (~0xf)) )
+ ctx->highestlow = (end - ctx->ebda_len) & (~0xf);
+ return 0;
+}
+
grub_err_t
grub_acpi_create_ebda (void)
{
+ struct grub_acpi_create_ebda_ctx ctx = {
+ .highestlow = 0
+ };
int ebda_kb_len;
- int ebda_len;
int mmapregion = 0;
grub_uint8_t *ebda, *v1inebda = 0, *v2inebda = 0;
- grub_uint64_t highestlow = 0;
grub_uint8_t *targetebda, *target;
struct grub_acpi_rsdp_v10 *v1;
struct grub_acpi_rsdp_v20 *v2;
- auto int NESTED_FUNC_ATTR find_hook (grub_uint64_t, grub_uint64_t,
- grub_uint32_t);
- int NESTED_FUNC_ATTR find_hook (grub_uint64_t start, grub_uint64_t size,
- grub_memory_type_t type)
- {
- grub_uint64_t end = start + size;
- if (type != GRUB_MEMORY_AVAILABLE)
- return 0;
- if (end > 0x100000)
- end = 0x100000;
- if (end > start + ebda_len
- && highestlow < ((end - ebda_len) & (~0xf)) )
- highestlow = (end - ebda_len) & (~0xf);
- return 0;
- }
ebda = (grub_uint8_t *) (grub_addr_t) ((*((grub_uint16_t *)0x40e)) << 4);
ebda_kb_len = *(grub_uint16_t *) ebda;
if (! ebda || ebda_kb_len > 16)
ebda_kb_len = 0;
- ebda_len = (ebda_kb_len + 1) << 10;
+ ctx.ebda_len = (ebda_kb_len + 1) << 10;
/* FIXME: use low-memory mm allocation once it's available. */
- grub_mmap_iterate (find_hook);
- targetebda = (grub_uint8_t *) (grub_addr_t) highestlow;
+ grub_mmap_iterate (find_hook, &ctx);
+ targetebda = (grub_uint8_t *) (grub_addr_t) ctx.highestlow;
grub_dprintf ("acpi", "creating ebda @%llx\n",
- (unsigned long long) highestlow);
- if (! highestlow)
+ (unsigned long long) ctx.highestlow);
+ if (! ctx.highestlow)
return grub_error (GRUB_ERR_OUT_OF_MEMORY,
"couldn't find space for the new EBDA");
- mmapregion = grub_mmap_register ((grub_addr_t) targetebda, ebda_len,
+ mmapregion = grub_mmap_register ((grub_addr_t) targetebda, ctx.ebda_len,
GRUB_MEMORY_RESERVED);
if (! mmapregion)
return grub_errno;
diff --git a/grub-core/commands/lsmmap.c b/grub-core/commands/lsmmap.c
index bd32c33..8e7f2a5 100644
--- a/grub-core/commands/lsmmap.c
+++ b/grub-core/commands/lsmmap.c
@@ -21,6 +21,7 @@
#include <grub/command.h>
#include <grub/i18n.h>
#include <grub/memory.h>
+#include <grub/mm.h>
GRUB_MOD_LICENSE ("GPLv3+");
@@ -39,26 +40,30 @@ static const char *names[] =
[GRUB_MEMORY_HOLE] = N_("Address range not associated with RAM")
};
+#ifndef GRUB_MACHINE_EMU
+/* Helper for grub_cmd_lsmmap. */
+static int
+lsmmap_hook (grub_uint64_t addr, grub_uint64_t size, grub_memory_type_t type,
+ void *data __attribute__ ((unused)))
+{
+ if (type < ARRAY_SIZE (names) && names[type])
+ grub_printf_ (N_("base_addr = 0x%llx, length = 0x%llx, %s\n"),
+ (long long) addr, (long long) size, _(names[type]));
+ else
+ grub_printf_ (N_("base_addr = 0x%llx, length = 0x%llx, type = 0x%x\n"),
+ (long long) addr, (long long) size, type);
+ return 0;
+}
+#endif
+
static grub_err_t
grub_cmd_lsmmap (grub_command_t cmd __attribute__ ((unused)),
int argc __attribute__ ((unused)),
char **args __attribute__ ((unused)))
{
- auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t, grub_memory_type_t);
- int NESTED_FUNC_ATTR hook (grub_uint64_t addr, grub_uint64_t size,
- grub_memory_type_t type)
- {
- if (type < ARRAY_SIZE (names) && names[type])
- grub_printf_ (N_("base_addr = 0x%llx, length = 0x%llx, %s\n"),
- (long long) addr, (long long) size, _(names[type]));
- else
- grub_printf_ (N_("base_addr = 0x%llx, length = 0x%llx, type = 0x%x\n"),
- (long long) addr, (long long) size, type);
- return 0;
- }
#ifndef GRUB_MACHINE_EMU
- grub_machine_mmap_iterate (hook);
+ grub_machine_mmap_iterate (lsmmap_hook, NULL);
#endif
return 0;
diff --git a/grub-core/efiemu/mm.c b/grub-core/efiemu/mm.c
index 10cbc68..d4a4f3a 100644
--- a/grub-core/efiemu/mm.c
+++ b/grub-core/efiemu/mm.c
@@ -268,26 +268,26 @@ grub_efiemu_mm_return_request (int handle)
}
}
+/* Helper for grub_efiemu_mmap_init. */
+static int
+bounds_hook (grub_uint64_t addr __attribute__ ((unused)),
+ grub_uint64_t size __attribute__ ((unused)),
+ grub_memory_type_t type __attribute__ ((unused)),
+ void *data __attribute__ ((unused)))
+{
+ mmap_reserved_size++;
+ return 0;
+}
+
/* Reserve space for memory map */
static grub_err_t
grub_efiemu_mmap_init (void)
{
- auto int NESTED_FUNC_ATTR bounds_hook (grub_uint64_t, grub_uint64_t,
- grub_memory_type_t);
- int NESTED_FUNC_ATTR bounds_hook (grub_uint64_t addr __attribute__ ((unused)),
- grub_uint64_t size __attribute__ ((unused)),
- grub_memory_type_t type
- __attribute__ ((unused)))
- {
- mmap_reserved_size++;
- return 0;
- }
-
// the place for memory used by efiemu itself
mmap_reserved_size = GRUB_EFI_MAX_MEMORY_TYPE + 1;
#ifndef GRUB_MACHINE_EMU
- grub_machine_mmap_iterate (bounds_hook);
+ grub_machine_mmap_iterate (bounds_hook, NULL);
#endif
return GRUB_ERR_NONE;
@@ -383,48 +383,47 @@ grub_efiemu_mm_init (void)
return GRUB_ERR_NONE;
}
+/* Helper for grub_efiemu_mmap_fill. */
+static int
+fill_hook (grub_uint64_t addr, grub_uint64_t size, grub_memory_type_t type,
+ void *data __attribute__ ((unused)))
+ {
+ switch (type)
+ {
+ case GRUB_MEMORY_AVAILABLE:
+ return grub_efiemu_add_to_mmap (addr, size,
+ GRUB_EFI_CONVENTIONAL_MEMORY);
+
+ case GRUB_MEMORY_ACPI:
+ return grub_efiemu_add_to_mmap (addr, size,
+ GRUB_EFI_ACPI_RECLAIM_MEMORY);
+
+ case GRUB_MEMORY_NVS:
+ return grub_efiemu_add_to_mmap (addr, size,
+ GRUB_EFI_ACPI_MEMORY_NVS);
+
+ default:
+ grub_dprintf ("efiemu",
+ "Unknown memory type %d. Assuming unusable\n", type);
+ case GRUB_MEMORY_RESERVED:
+ return grub_efiemu_add_to_mmap (addr, size,
+ GRUB_EFI_UNUSABLE_MEMORY);
+ }
+ }
+
/* Copy host memory map */
static grub_err_t
grub_efiemu_mmap_fill (void)
{
- auto int NESTED_FUNC_ATTR fill_hook (grub_uint64_t, grub_uint64_t,
- grub_memory_type_t);
- int NESTED_FUNC_ATTR fill_hook (grub_uint64_t addr,
- grub_uint64_t size,
- grub_memory_type_t type)
- {
- switch (type)
- {
- case GRUB_MEMORY_AVAILABLE:
- return grub_efiemu_add_to_mmap (addr, size,
- GRUB_EFI_CONVENTIONAL_MEMORY);
-
- case GRUB_MEMORY_ACPI:
- return grub_efiemu_add_to_mmap (addr, size,
- GRUB_EFI_ACPI_RECLAIM_MEMORY);
-
- case GRUB_MEMORY_NVS:
- return grub_efiemu_add_to_mmap (addr, size,
- GRUB_EFI_ACPI_MEMORY_NVS);
-
- default:
- grub_dprintf ("efiemu",
- "Unknown memory type %d. Assuming unusable\n", type);
- case GRUB_MEMORY_RESERVED:
- return grub_efiemu_add_to_mmap (addr, size,
- GRUB_EFI_UNUSABLE_MEMORY);
- }
- }
-
#ifndef GRUB_MACHINE_EMU
- grub_machine_mmap_iterate (fill_hook);
+ grub_machine_mmap_iterate (fill_hook, NULL);
#endif
return GRUB_ERR_NONE;
}
grub_err_t
-grub_efiemu_mmap_iterate (grub_memory_hook_t hook)
+grub_efiemu_mmap_iterate (grub_memory_hook_t hook, void *hook_data)
{
unsigned i;
@@ -433,12 +432,12 @@ grub_efiemu_mmap_iterate (grub_memory_hook_t hook)
{
case GRUB_EFI_RUNTIME_SERVICES_CODE:
hook (efiemu_mmap[i].physical_start, efiemu_mmap[i].num_pages * 4096,
- GRUB_MEMORY_CODE);
+ GRUB_MEMORY_CODE, hook_data);
break;
case GRUB_EFI_UNUSABLE_MEMORY:
hook (efiemu_mmap[i].physical_start, efiemu_mmap[i].num_pages * 4096,
- GRUB_MEMORY_BADRAM);
+ GRUB_MEMORY_BADRAM, hook_data);
break;
case GRUB_EFI_RESERVED_MEMORY_TYPE:
@@ -448,7 +447,7 @@ grub_efiemu_mmap_iterate (grub_memory_hook_t hook)
case GRUB_EFI_PAL_CODE:
case GRUB_EFI_MAX_MEMORY_TYPE:
hook (efiemu_mmap[i].physical_start, efiemu_mmap[i].num_pages * 4096,
- GRUB_MEMORY_RESERVED);
+ GRUB_MEMORY_RESERVED, hook_data);
break;
case GRUB_EFI_LOADER_CODE:
@@ -457,17 +456,17 @@ grub_efiemu_mmap_iterate (grub_memory_hook_t hook)
case GRUB_EFI_BOOT_SERVICES_DATA:
case GRUB_EFI_CONVENTIONAL_MEMORY:
hook (efiemu_mmap[i].physical_start, efiemu_mmap[i].num_pages * 4096,
- GRUB_MEMORY_AVAILABLE);
+ GRUB_MEMORY_AVAILABLE, hook_data);
break;
case GRUB_EFI_ACPI_RECLAIM_MEMORY:
hook (efiemu_mmap[i].physical_start, efiemu_mmap[i].num_pages * 4096,
- GRUB_MEMORY_ACPI);
+ GRUB_MEMORY_ACPI, hook_data);
break;
case GRUB_EFI_ACPI_MEMORY_NVS:
hook (efiemu_mmap[i].physical_start, efiemu_mmap[i].num_pages * 4096,
- GRUB_MEMORY_NVS);
+ GRUB_MEMORY_NVS, hook_data);
break;
}
diff --git a/grub-core/kern/i386/coreboot/init.c b/grub-core/kern/i386/coreboot/init.c
index 52fbba4..48fd1a6 100644
--- a/grub-core/kern/i386/coreboot/init.c
+++ b/grub-core/kern/i386/coreboot/init.c
@@ -57,6 +57,39 @@ grub_addr_t grub_modbase;
grub_addr_t grub_modbase = ALIGN_UP((grub_addr_t) _end, GRUB_KERNEL_MACHINE_MOD_ALIGN);
#endif
+/* Helper for grub_machine_init. */
+static int
+heap_init (grub_uint64_t addr, grub_uint64_t size, grub_memory_type_t type,
+ void *data __attribute__ ((unused)))
+{
+#if GRUB_CPU_SIZEOF_VOID_P == 4
+ /* Restrict ourselves to 32-bit memory space. */
+ if (addr > GRUB_ULONG_MAX)
+ return 0;
+ if (addr + size > GRUB_ULONG_MAX)
+ size = GRUB_ULONG_MAX - addr;
+#endif
+
+ if (type != GRUB_MEMORY_AVAILABLE)
+ return 0;
+
+ /* Avoid the lower memory. */
+ if (addr < GRUB_MEMORY_MACHINE_LOWER_SIZE)
+ {
+ if (addr + size <= GRUB_MEMORY_MACHINE_LOWER_SIZE)
+ return 0;
+ else
+ {
+ size -= GRUB_MEMORY_MACHINE_LOWER_SIZE - addr;
+ addr = GRUB_MEMORY_MACHINE_LOWER_SIZE;
+ }
+ }
+
+ grub_mm_init_region ((void *) (grub_addr_t) addr, (grub_size_t) size);
+
+ return 0;
+}
+
void
grub_machine_init (void)
{
@@ -68,43 +101,10 @@ grub_machine_init (void)
/* Initialize the console as early as possible. */
grub_vga_text_init ();
- auto int NESTED_FUNC_ATTR heap_init (grub_uint64_t, grub_uint64_t,
- grub_memory_type_t);
- int NESTED_FUNC_ATTR heap_init (grub_uint64_t addr, grub_uint64_t size,
- grub_memory_type_t type)
- {
-#if GRUB_CPU_SIZEOF_VOID_P == 4
- /* Restrict ourselves to 32-bit memory space. */
- if (addr > GRUB_ULONG_MAX)
- return 0;
- if (addr + size > GRUB_ULONG_MAX)
- size = GRUB_ULONG_MAX - addr;
-#endif
-
- if (type != GRUB_MEMORY_AVAILABLE)
- return 0;
-
- /* Avoid the lower memory. */
- if (addr < GRUB_MEMORY_MACHINE_LOWER_SIZE)
- {
- if (addr + size <= GRUB_MEMORY_MACHINE_LOWER_SIZE)
- return 0;
- else
- {
- size -= GRUB_MEMORY_MACHINE_LOWER_SIZE - addr;
- addr = GRUB_MEMORY_MACHINE_LOWER_SIZE;
- }
- }
-
- grub_mm_init_region ((void *) (grub_addr_t) addr, (grub_size_t) size);
-
- return 0;
- }
-
#if defined (GRUB_MACHINE_MULTIBOOT) || defined (GRUB_MACHINE_QEMU)
grub_machine_mmap_init ();
#endif
- grub_machine_mmap_iterate (heap_init);
+ grub_machine_mmap_iterate (heap_init, NULL);
grub_tsc_init ();
}
diff --git a/grub-core/kern/i386/coreboot/mmap.c b/grub-core/kern/i386/coreboot/mmap.c
index 8e15683..ae4af08 100644
--- a/grub-core/kern/i386/coreboot/mmap.c
+++ b/grub-core/kern/i386/coreboot/mmap.c
@@ -33,7 +33,9 @@ check_signature (grub_linuxbios_table_header_t tbl_header)
}
static grub_err_t
-grub_linuxbios_table_iterate (int (*hook) (grub_linuxbios_table_item_t))
+grub_linuxbios_table_iterate (int (*hook) (grub_linuxbios_table_item_t,
+ void *),
+ void *hook_data)
{
grub_linuxbios_table_header_t table_header;
grub_linuxbios_table_item_t table_item;
@@ -68,42 +70,54 @@ signature_found:
*(grub_uint64_t *) (table_item + 1);
goto signature_found;
}
- if (hook (table_item))
+ if (hook (table_item, hook_data))
return 1;
}
return 0;
}
-grub_err_t
-grub_machine_mmap_iterate (grub_memory_hook_t hook)
+/* Context for grub_machine_mmap_iterate. */
+struct grub_machine_mmap_iterate_ctx
{
- mem_region_t mem_region;
+ grub_memory_hook_t hook;
+ void *hook_data;
+};
- auto int iterate_linuxbios_table (grub_linuxbios_table_item_t);
- int iterate_linuxbios_table (grub_linuxbios_table_item_t table_item)
- {
- if (table_item->tag != GRUB_LINUXBIOS_MEMBER_MEMORY)
- return 0;
-
- mem_region =
- (mem_region_t) ((long) table_item +
- sizeof (struct grub_linuxbios_table_item));
- while ((long) mem_region < (long) table_item + (long) table_item->size)
- {
- if (hook (mem_region->addr, mem_region->size,
- /* Multiboot mmaps match with the coreboot mmap definition.
- Therefore, we can just pass type through. */
- mem_region->type))
- return 1;
-
- mem_region++;
- }
+/* Helper for grub_machine_mmap_iterate. */
+static int
+iterate_linuxbios_table (grub_linuxbios_table_item_t table_item, void *data)
+{
+ struct grub_machine_mmap_iterate_ctx *ctx = data;
+ mem_region_t mem_region;
+ if (table_item->tag != GRUB_LINUXBIOS_MEMBER_MEMORY)
return 0;
- }
- grub_linuxbios_table_iterate (iterate_linuxbios_table);
+ mem_region =
+ (mem_region_t) ((long) table_item +
+ sizeof (struct grub_linuxbios_table_item));
+ while ((long) mem_region < (long) table_item + (long) table_item->size)
+ {
+ if (ctx->hook (mem_region->addr, mem_region->size,
+ /* Multiboot mmaps match with the coreboot mmap
+ definition. Therefore, we can just pass type
+ through. */
+ mem_region->type, ctx->hook_data))
+ return 1;
+
+ mem_region++;
+ }
+
+ return 0;
+}
+
+grub_err_t
+grub_machine_mmap_iterate (grub_memory_hook_t hook, void *hook_data)
+{
+ struct grub_machine_mmap_iterate_ctx ctx = { hook, hook_data };
+
+ grub_linuxbios_table_iterate (iterate_linuxbios_table, &ctx);
return 0;
}
diff --git a/grub-core/kern/i386/multiboot_mmap.c b/grub-core/kern/i386/multiboot_mmap.c
index 1cb422f..e8f4f34 100644
--- a/grub-core/kern/i386/multiboot_mmap.c
+++ b/grub-core/kern/i386/multiboot_mmap.c
@@ -57,13 +57,13 @@ grub_machine_mmap_init (void)
}
grub_err_t
-grub_machine_mmap_iterate (grub_memory_hook_t hook)
+grub_machine_mmap_iterate (grub_memory_hook_t hook, void *hook_data)
{
struct multiboot_mmap_entry *entry = (void *) kern_multiboot_info.mmap_addr;
while ((unsigned long) entry < kern_multiboot_info.mmap_addr + kern_multiboot_info.mmap_length)
{
- if (hook (entry->addr, entry->len, entry->type))
+ if (hook (entry->addr, entry->len, entry->type, hook_data))
break;
entry = (void *) ((grub_addr_t) entry + entry->size + sizeof (entry->size));
diff --git a/grub-core/kern/i386/pc/init.c b/grub-core/kern/i386/pc/init.c
index 0841d8b..7d8b12c 100644
--- a/grub-core/kern/i386/pc/init.c
+++ b/grub-core/kern/i386/pc/init.c
@@ -154,6 +154,36 @@ compact_mem_regions (void)
grub_addr_t grub_modbase;
extern grub_uint8_t _start[], _edata[];
+/* Helper for grub_machine_init. */
+static int
+mmap_iterate_hook (grub_uint64_t addr, grub_uint64_t size,
+ grub_memory_type_t type,
+ void *data __attribute__ ((unused)))
+{
+ /* Avoid the lower memory. */
+ if (addr < 0x100000)
+ {
+ if (size <= 0x100000 - addr)
+ return 0;
+
+ size -= 0x100000 - addr;
+ addr = 0x100000;
+ }
+
+ /* Ignore >4GB. */
+ if (addr <= 0xFFFFFFFF && type == GRUB_MEMORY_AVAILABLE)
+ {
+ grub_size_t len;
+
+ len = (grub_size_t) ((addr + size > 0xFFFFFFFF)
+ ? 0xFFFFFFFF - addr
+ : size);
+ add_mem_region (addr, len);
+ }
+
+ return 0;
+}
+
void
grub_machine_init (void)
{
@@ -188,36 +218,7 @@ grub_machine_init (void)
grub_lower_mem - GRUB_MEMORY_MACHINE_RESERVED_END);
#endif
- auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t,
- grub_memory_type_t);
- int NESTED_FUNC_ATTR hook (grub_uint64_t addr, grub_uint64_t size,
- grub_memory_type_t type)
- {
- /* Avoid the lower memory. */
- if (addr < 0x100000)
- {
- if (size <= 0x100000 - addr)
- return 0;
-
- size -= 0x100000 - addr;
- addr = 0x100000;
- }
-
- /* Ignore >4GB. */
- if (addr <= 0xFFFFFFFF && type == GRUB_MEMORY_AVAILABLE)
- {
- grub_size_t len;
-
- len = (grub_size_t) ((addr + size > 0xFFFFFFFF)
- ? 0xFFFFFFFF - addr
- : size);
- add_mem_region (addr, len);
- }
-
- return 0;
- }
-
- grub_machine_mmap_iterate (hook);
+ grub_machine_mmap_iterate (mmap_iterate_hook, NULL);
compact_mem_regions ();
diff --git a/grub-core/kern/i386/pc/mmap.c b/grub-core/kern/i386/pc/mmap.c
index 480ffa9..7e5feea 100644
--- a/grub-core/kern/i386/pc/mmap.c
+++ b/grub-core/kern/i386/pc/mmap.c
@@ -139,7 +139,7 @@ grub_get_mmap_entry (struct grub_machine_mmap_entry *entry,
}
grub_err_t
-grub_machine_mmap_iterate (grub_memory_hook_t hook)
+grub_machine_mmap_iterate (grub_memory_hook_t hook, void *hook_data)
{
grub_uint32_t cont;
struct grub_machine_mmap_entry *entry
@@ -156,7 +156,8 @@ grub_machine_mmap_iterate (grub_memory_hook_t hook)
if (hook (entry->addr, entry->len,
/* GRUB mmaps have been defined to match with the E820 definition.
Therefore, we can just pass type through. */
- ((entry->type <= GRUB_MACHINE_MEMORY_BADRAM) && (entry->type >= GRUB_MACHINE_MEMORY_AVAILABLE)) ? entry->type : GRUB_MEMORY_RESERVED))
+ ((entry->type <= GRUB_MACHINE_MEMORY_BADRAM) && (entry->type >= GRUB_MACHINE_MEMORY_AVAILABLE)) ? entry->type : GRUB_MEMORY_RESERVED,
+ hook_data))
break;
if (! cont)
@@ -172,18 +173,19 @@ grub_machine_mmap_iterate (grub_memory_hook_t hook)
grub_uint32_t eisa_mmap = grub_get_eisa_mmap ();
if (hook (0x0, ((grub_uint32_t) grub_get_conv_memsize ()) << 10,
- GRUB_MEMORY_AVAILABLE))
+ GRUB_MEMORY_AVAILABLE, hook_data))
return 0;
if (eisa_mmap)
{
if (hook (0x100000, (eisa_mmap & 0xFFFF) << 10,
- GRUB_MEMORY_AVAILABLE) == 0)
- hook (0x1000000, eisa_mmap & ~0xFFFF, GRUB_MEMORY_AVAILABLE);
+ GRUB_MEMORY_AVAILABLE, hook_data) == 0)
+ hook (0x1000000, eisa_mmap & ~0xFFFF, GRUB_MEMORY_AVAILABLE,
+ hook_data);
}
else
hook (0x100000, ((grub_uint32_t) grub_get_ext_memsize ()) << 10,
- GRUB_MEMORY_AVAILABLE);
+ GRUB_MEMORY_AVAILABLE, hook_data);
}
return 0;
diff --git a/grub-core/kern/i386/qemu/mmap.c b/grub-core/kern/i386/qemu/mmap.c
index ffb61a4..f449637 100644
--- a/grub-core/kern/i386/qemu/mmap.c
+++ b/grub-core/kern/i386/qemu/mmap.c
@@ -69,38 +69,38 @@ grub_machine_mmap_init (void)
}
grub_err_t
-grub_machine_mmap_iterate (grub_memory_hook_t hook)
+grub_machine_mmap_iterate (grub_memory_hook_t hook, void *hook_data)
{
if (hook (0x0,
(grub_addr_t) _start,
- GRUB_MEMORY_AVAILABLE))
+ GRUB_MEMORY_AVAILABLE, hook_data))
return 1;
if (hook ((grub_addr_t) _end,
0xa0000 - (grub_addr_t) _end,
- GRUB_MEMORY_AVAILABLE))
+ GRUB_MEMORY_AVAILABLE, hook_data))
return 1;
if (hook (GRUB_MEMORY_MACHINE_UPPER,
0x100000 - GRUB_MEMORY_MACHINE_UPPER,
- GRUB_MEMORY_RESERVED))
+ GRUB_MEMORY_RESERVED, hook_data))
return 1;
/* Everything else is free. */
if (hook (0x100000,
min (mem_size, (grub_uint32_t) -GRUB_BOOT_MACHINE_SIZE) - 0x100000,
- GRUB_MEMORY_AVAILABLE))
+ GRUB_MEMORY_AVAILABLE, hook_data))
return 1;
/* Protect boot.img, which contains the gdt. It is mapped at the top of memory
(it is also mapped below 0x100000, but we already reserved that area). */
if (hook ((grub_uint32_t) -GRUB_BOOT_MACHINE_SIZE,
GRUB_BOOT_MACHINE_SIZE,
- GRUB_MEMORY_RESERVED))
+ GRUB_MEMORY_RESERVED, hook_data))
return 1;
if (above_4g != 0 && hook (0x100000000ULL, above_4g,
- GRUB_MEMORY_AVAILABLE))
+ GRUB_MEMORY_AVAILABLE, hook_data))
return 1;
return 0;
diff --git a/grub-core/kern/ieee1275/init.c b/grub-core/kern/ieee1275/init.c
index 14dcdf0..0894cb6 100644
--- a/grub-core/kern/ieee1275/init.c
+++ b/grub-core/kern/ieee1275/init.c
@@ -156,74 +156,76 @@ grub_claim_heap (void)
+ GRUB_KERNEL_MACHINE_STACK_SIZE), 0x200000);
}
#else
+/* Helper for grub_claim_heap. */
+static int
+heap_init (grub_uint64_t addr, grub_uint64_t len, grub_memory_type_t type,
+ void *data)
+{
+ unsigned long *total = data;
+
+ if (type != 1)
+ return 0;
+
+ if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_NO_PRE1_5M_CLAIM))
+ {
+ if (addr + len <= 0x180000)
+ return 0;
+
+ if (addr < 0x180000)
+ {
+ len = addr + len - 0x180000;
+ addr = 0x180000;
+ }
+ }
+ len -= 1; /* Required for some firmware. */
+
+ /* Never exceed HEAP_MAX_SIZE */
+ if (*total + len > HEAP_MAX_SIZE)
+ len = HEAP_MAX_SIZE - *total;
+
+ /* Avoid claiming anything above HEAP_MAX_ADDR, if possible. */
+ if ((addr < HEAP_MAX_ADDR) && /* if it's too late, don't bother */
+ (addr + len > HEAP_MAX_ADDR) && /* if it wasn't available anyway, don't bother */
+ (*total + (HEAP_MAX_ADDR - addr) > HEAP_MIN_SIZE)) /* only limit ourselves when we can afford to */
+ len = HEAP_MAX_ADDR - addr;
+
+ /* In theory, firmware should already prevent this from happening by not
+ listing our own image in /memory/available. The check below is intended
+ as a safeguard in case that doesn't happen. However, it doesn't protect
+ us from corrupting our module area, which extends up to a
+ yet-undetermined region above _end. */
+ if ((addr < (grub_addr_t) _end) && ((addr + len) > (grub_addr_t) _start))
+ {
+ grub_printf ("Warning: attempt to claim over our own code!\n");
+ len = 0;
+ }
+
+ if (len)
+ {
+ grub_err_t err;
+ /* Claim and use it. */
+ err = grub_claimmap (addr, len);
+ if (err)
+ return err;
+ grub_mm_init_region ((void *) (grub_addr_t) addr, len);
+ }
+
+ *total += len;
+ if (*total >= HEAP_MAX_SIZE)
+ return 1;
+
+ return 0;
+}
+
static void
grub_claim_heap (void)
{
unsigned long total = 0;
- auto int NESTED_FUNC_ATTR heap_init (grub_uint64_t addr, grub_uint64_t len,
- grub_memory_type_t type);
- int NESTED_FUNC_ATTR heap_init (grub_uint64_t addr, grub_uint64_t len,
- grub_memory_type_t type)
- {
- if (type != 1)
- return 0;
-
- if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_NO_PRE1_5M_CLAIM))
- {
- if (addr + len <= 0x180000)
- return 0;
-
- if (addr < 0x180000)
- {
- len = addr + len - 0x180000;
- addr = 0x180000;
- }
- }
- len -= 1; /* Required for some firmware. */
-
- /* Never exceed HEAP_MAX_SIZE */
- if (total + len > HEAP_MAX_SIZE)
- len = HEAP_MAX_SIZE - total;
-
- /* Avoid claiming anything above HEAP_MAX_ADDR, if possible. */
- if ((addr < HEAP_MAX_ADDR) && /* if it's too late, don't bother */
- (addr + len > HEAP_MAX_ADDR) && /* if it wasn't available anyway, don't bother */
- (total + (HEAP_MAX_ADDR - addr) > HEAP_MIN_SIZE)) /* only limit ourselves when we can afford to */
- len = HEAP_MAX_ADDR - addr;
-
- /* In theory, firmware should already prevent this from happening by not
- listing our own image in /memory/available. The check below is intended
- as a safeguard in case that doesn't happen. However, it doesn't protect
- us from corrupting our module area, which extends up to a
- yet-undetermined region above _end. */
- if ((addr < (grub_addr_t) _end) && ((addr + len) > (grub_addr_t) _start))
- {
- grub_printf ("Warning: attempt to claim over our own code!\n");
- len = 0;
- }
-
- if (len)
- {
- grub_err_t err;
- /* Claim and use it. */
- err = grub_claimmap (addr, len);
- if (err)
- return err;
- grub_mm_init_region ((void *) (grub_addr_t) addr, len);
- }
-
- total += len;
- if (total >= HEAP_MAX_SIZE)
- return 1;
-
- return 0;
- }
-
if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_CANNOT_INTERPRET))
- heap_init (HEAP_MAX_ADDR - HEAP_MIN_SIZE, HEAP_MIN_SIZE, 1);
+ heap_init (HEAP_MAX_ADDR - HEAP_MIN_SIZE, HEAP_MIN_SIZE, 1, &total);
else
- grub_machine_mmap_iterate (heap_init);
+ grub_machine_mmap_iterate (heap_init, &total);
}
#endif
diff --git a/grub-core/kern/ieee1275/mmap.c b/grub-core/kern/ieee1275/mmap.c
index 2e4e085..911bb00 100644
--- a/grub-core/kern/ieee1275/mmap.c
+++ b/grub-core/kern/ieee1275/mmap.c
@@ -21,7 +21,7 @@
#include <grub/types.h>
grub_err_t
-grub_machine_mmap_iterate (grub_memory_hook_t hook)
+grub_machine_mmap_iterate (grub_memory_hook_t hook, void *hook_data)
{
grub_ieee1275_phandle_t root;
grub_ieee1275_phandle_t memory;
@@ -72,7 +72,7 @@ grub_machine_mmap_iterate (grub_memory_hook_t hook)
if (size_cells == 2)
size = (size << 32) | available[i++];
- if (hook (address, size, GRUB_MEMORY_AVAILABLE))
+ if (hook (address, size, GRUB_MEMORY_AVAILABLE, hook_data))
break;
}
diff --git a/grub-core/kern/mips/arc/init.c b/grub-core/kern/mips/arc/init.c
index 44b4171..4d680ed 100644
--- a/grub-core/kern/mips/arc/init.c
+++ b/grub-core/kern/mips/arc/init.c
@@ -91,7 +91,7 @@ grub_arc_iterate_devs (int (*hook) (const char *name,
}
grub_err_t
-grub_machine_mmap_iterate (grub_memory_hook_t hook)
+grub_machine_mmap_iterate (grub_memory_hook_t hook, void *hook_data)
{
struct grub_arc_memory_descriptor *cur = NULL;
while (1)
@@ -120,7 +120,7 @@ grub_machine_mmap_iterate (grub_memory_hook_t hook)
break;
}
if (hook (((grub_uint64_t) cur->start_page) << 12,
- ((grub_uint64_t) cur->num_pages) << 12, type))
+ ((grub_uint64_t) cur->num_pages) << 12, type, hook_data))
return GRUB_ERR_NONE;
}
}
diff --git a/grub-core/kern/mips/loongson/init.c b/grub-core/kern/mips/loongson/init.c
index 2109a67..756439b 100644
--- a/grub-core/kern/mips/loongson/init.c
+++ b/grub-core/kern/mips/loongson/init.c
@@ -40,12 +40,12 @@
#include <grub/at_keyboard.h>
grub_err_t
-grub_machine_mmap_iterate (grub_memory_hook_t hook)
+grub_machine_mmap_iterate (grub_memory_hook_t hook, void *hook_data)
{
hook (GRUB_ARCH_LOWMEMPSTART, grub_arch_memsize << 20,
- GRUB_MEMORY_AVAILABLE);
+ GRUB_MEMORY_AVAILABLE, hook_data);
hook (GRUB_ARCH_HIGHMEMPSTART, grub_arch_highmemsize << 20,
- GRUB_MEMORY_AVAILABLE);
+ GRUB_MEMORY_AVAILABLE, hook_data);
return GRUB_ERR_NONE;
}
diff --git a/grub-core/kern/mips/qemu_mips/init.c b/grub-core/kern/mips/qemu_mips/init.c
index 782f17f..aa414eb 100644
--- a/grub-core/kern/mips/qemu_mips/init.c
+++ b/grub-core/kern/mips/qemu_mips/init.c
@@ -92,9 +92,9 @@ grub_halt (void)
}
grub_err_t
-grub_machine_mmap_iterate (grub_memory_hook_t hook)
+grub_machine_mmap_iterate (grub_memory_hook_t hook, void *hook_data)
{
- hook (0, grub_arch_memsize, GRUB_MEMORY_AVAILABLE);
+ hook (0, grub_arch_memsize, GRUB_MEMORY_AVAILABLE, hook_data);
return GRUB_ERR_NONE;
}
diff --git a/grub-core/lib/ieee1275/relocator.c b/grub-core/lib/ieee1275/relocator.c
index 021f0ce..f6ecadd 100644
--- a/grub-core/lib/ieee1275/relocator.c
+++ b/grub-core/lib/ieee1275/relocator.c
@@ -21,65 +21,81 @@
#include <grub/memory.h>
#include <grub/ieee1275/ieee1275.h>
+/* Helper for grub_relocator_firmware_get_max_events. */
+static int
+count (grub_uint64_t addr __attribute__ ((unused)),
+ grub_uint64_t len __attribute__ ((unused)),
+ grub_memory_type_t type __attribute__ ((unused)), void *data)
+{
+ int *counter = data;
+
+ (*counter)++;
+ return 0;
+}
+
unsigned
grub_relocator_firmware_get_max_events (void)
{
int counter = 0;
- auto int NESTED_FUNC_ATTR count (grub_uint64_t addr __attribute__ ((unused)),
- grub_uint64_t len __attribute__ ((unused)),
- grub_memory_type_t type __attribute__ ((unused)));
- int NESTED_FUNC_ATTR count (grub_uint64_t addr __attribute__ ((unused)),
- grub_uint64_t len __attribute__ ((unused)),
- grub_memory_type_t type __attribute__ ((unused)))
- {
- counter++;
- return 0;
- }
if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_CANNOT_INTERPRET))
return 0;
- grub_machine_mmap_iterate (count);
+ grub_machine_mmap_iterate (count, &counter);
return 2 * counter;
}
-unsigned
-grub_relocator_firmware_fill_events (struct grub_relocator_mmap_event *events)
+/* Context for grub_relocator_firmware_fill_events. */
+struct grub_relocator_firmware_fill_events_ctx
{
- int counter = 0;
- auto int NESTED_FUNC_ATTR fill (grub_uint64_t addr, grub_uint64_t len,
- grub_memory_type_t type);
- int NESTED_FUNC_ATTR fill (grub_uint64_t addr, grub_uint64_t len,
- grub_memory_type_t type)
- {
- if (type != GRUB_MEMORY_AVAILABLE)
- return 0;
-
- if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_NO_PRE1_5M_CLAIM))
- {
- if (addr + len <= 0x180000)
- return 0;
-
- if (addr < 0x180000)
- {
- len = addr + len - 0x180000;
- addr = 0x180000;
- }
- }
-
- events[counter].type = REG_FIRMWARE_START;
- events[counter].pos = addr;
- counter++;
- events[counter].type = REG_FIRMWARE_END;
- events[counter].pos = addr + len;
- counter++;
+ struct grub_relocator_mmap_event *events;
+ int counter;
+};
+
+/* Helper for grub_relocator_firmware_fill_events. */
+static int
+grub_relocator_firmware_fill_events_iter (grub_uint64_t addr,
+ grub_uint64_t len,
+ grub_memory_type_t type, void *data)
+{
+ struct grub_relocator_firmware_fill_events_ctx *ctx = data;
+ if (type != GRUB_MEMORY_AVAILABLE)
return 0;
- }
+
+ if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_NO_PRE1_5M_CLAIM))
+ {
+ if (addr + len <= 0x180000)
+ return 0;
+
+ if (addr < 0x180000)
+ {
+ len = addr + len - 0x180000;
+ addr = 0x180000;
+ }
+ }
+
+ ctx->events[ctx->counter].type = REG_FIRMWARE_START;
+ ctx->events[ctx->counter].pos = addr;
+ ctx->counter++;
+ ctx->events[ctx->counter].type = REG_FIRMWARE_END;
+ ctx->events[ctx->counter].pos = addr + len;
+ ctx->counter++;
+
+ return 0;
+}
+
+unsigned
+grub_relocator_firmware_fill_events (struct grub_relocator_mmap_event *events)
+{
+ struct grub_relocator_firmware_fill_events_ctx ctx = {
+ .events = events,
+ .counter = 0
+ };
if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_CANNOT_INTERPRET))
return 0;
- grub_machine_mmap_iterate (fill);
- return counter;
+ grub_machine_mmap_iterate (grub_relocator_firmware_fill_events_iter, &ctx);
+ return ctx.counter;
}
int
diff --git a/grub-core/lib/relocator.c b/grub-core/lib/relocator.c
index a45040a..350066d 100644
--- a/grub-core/lib/relocator.c
+++ b/grub-core/lib/relocator.c
@@ -1313,6 +1313,45 @@ grub_relocator_alloc_chunk_addr (struct grub_relocator *rel,
return GRUB_ERR_NONE;
}
+/* Context for grub_relocator_alloc_chunk_align. */
+struct grub_relocator_alloc_chunk_align_ctx
+{
+ grub_phys_addr_t min_addr, max_addr;
+ grub_size_t size, align;
+ int preference;
+ struct grub_relocator_chunk *chunk;
+ int found;
+};
+
+/* Helper for grub_relocator_alloc_chunk_align. */
+static int
+grub_relocator_alloc_chunk_align_iter (grub_uint64_t addr, grub_uint64_t sz,
+ grub_memory_type_t type, void *data)
+{
+ struct grub_relocator_alloc_chunk_align_ctx *ctx = data;
+ grub_uint64_t candidate;
+
+ if (type != GRUB_MEMORY_AVAILABLE)
+ return 0;
+ candidate = ALIGN_UP (addr, ctx->align);
+ if (candidate < ctx->min_addr)
+ candidate = ALIGN_UP (ctx->min_addr, ctx->align);
+ if (candidate + ctx->size > addr + sz
+ || candidate > ALIGN_DOWN (ctx->max_addr, ctx->align))
+ return 0;
+ if (ctx->preference == GRUB_RELOCATOR_PREFERENCE_HIGH)
+ candidate = ALIGN_DOWN (min (addr + sz - ctx->size, ctx->max_addr),
+ ctx->align);
+ if (!ctx->found || (ctx->preference == GRUB_RELOCATOR_PREFERENCE_HIGH
+ && candidate > ctx->chunk->target))
+ ctx->chunk->target = candidate;
+ if (!ctx->found || (ctx->preference == GRUB_RELOCATOR_PREFERENCE_LOW
+ && candidate < ctx->chunk->target))
+ ctx->chunk->target = candidate;
+ ctx->found = 1;
+ return 0;
+}
+
grub_err_t
grub_relocator_alloc_chunk_align (struct grub_relocator *rel,
grub_relocator_chunk_t *out,
@@ -1322,8 +1361,15 @@ grub_relocator_alloc_chunk_align (struct grub_relocator *rel,
int preference,
int avoid_efi_boot_services)
{
+ struct grub_relocator_alloc_chunk_align_ctx ctx = {
+ .min_addr = min_addr,
+ .max_addr = max_addr,
+ .size = size,
+ .align = align,
+ .preference = preference,
+ .found = 0
+ };
grub_addr_t min_addr2 = 0, max_addr2;
- struct grub_relocator_chunk *chunk;
if (max_addr > ~size)
max_addr = ~size;
@@ -1335,24 +1381,24 @@ grub_relocator_alloc_chunk_align (struct grub_relocator *rel,
grub_dprintf ("relocator", "chunks = %p\n", rel->chunks);
- chunk = grub_malloc (sizeof (struct grub_relocator_chunk));
- if (!chunk)
+ ctx.chunk = grub_malloc (sizeof (struct grub_relocator_chunk));
+ if (!ctx.chunk)
return grub_errno;
if (malloc_in_range (rel, min_addr, max_addr, align,
- size, chunk,
+ size, ctx.chunk,
preference != GRUB_RELOCATOR_PREFERENCE_HIGH, 1))
{
grub_dprintf ("relocator", "allocated 0x%llx/0x%llx\n",
- (unsigned long long) chunk->src,
- (unsigned long long) chunk->src);
+ (unsigned long long) ctx.chunk->src,
+ (unsigned long long) ctx.chunk->src);
grub_dprintf ("relocator", "chunks = %p\n", rel->chunks);
- chunk->target = chunk->src;
- chunk->size = size;
- chunk->next = rel->chunks;
- rel->chunks = chunk;
- chunk->srcv = grub_map_memory (chunk->src, chunk->size);
- *out = chunk;
+ ctx.chunk->target = ctx.chunk->src;
+ ctx.chunk->size = size;
+ ctx.chunk->next = rel->chunks;
+ rel->chunks = ctx.chunk;
+ ctx.chunk->srcv = grub_map_memory (ctx.chunk->src, ctx.chunk->size);
+ *out = ctx.chunk;
return GRUB_ERR_NONE;
}
@@ -1364,14 +1410,14 @@ grub_relocator_alloc_chunk_align (struct grub_relocator *rel,
do
{
if (malloc_in_range (rel, min_addr2, max_addr2, align,
- size, chunk, 1, 1))
+ size, ctx.chunk, 1, 1))
break;
if (malloc_in_range (rel, rel->highestnonpostaddr, ~(grub_addr_t)0, 1,
- size, chunk, 0, 1))
+ size, ctx.chunk, 0, 1))
{
- if (rel->postchunks > chunk->src)
- rel->postchunks = chunk->src;
+ if (rel->postchunks > ctx.chunk->src)
+ rel->postchunks = ctx.chunk->src;
break;
}
@@ -1380,58 +1426,33 @@ grub_relocator_alloc_chunk_align (struct grub_relocator *rel,
while (0);
{
- int found = 0;
- auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t,
- grub_memory_type_t);
- int NESTED_FUNC_ATTR hook (grub_uint64_t addr, grub_uint64_t sz,
- grub_memory_type_t type)
- {
- grub_uint64_t candidate;
- if (type != GRUB_MEMORY_AVAILABLE)
- return 0;
- candidate = ALIGN_UP (addr, align);
- if (candidate < min_addr)
- candidate = ALIGN_UP (min_addr, align);
- if (candidate + size > addr + sz
- || candidate > ALIGN_DOWN (max_addr, align))
- return 0;
- if (preference == GRUB_RELOCATOR_PREFERENCE_HIGH)
- candidate = ALIGN_DOWN (min (addr + sz - size, max_addr), align);
- if (!found || (preference == GRUB_RELOCATOR_PREFERENCE_HIGH
- && candidate > chunk->target))
- chunk->target = candidate;
- if (!found || (preference == GRUB_RELOCATOR_PREFERENCE_LOW
- && candidate < chunk->target))
- chunk->target = candidate;
- found = 1;
- return 0;
- }
-
#ifdef GRUB_MACHINE_EFI
- grub_efi_mmap_iterate (hook, avoid_efi_boot_services);
+ grub_efi_mmap_iterate (grub_relocator_alloc_chunk_align_iter, &ctx,
+ avoid_efi_boot_services);
#elif defined (__powerpc__)
(void) avoid_efi_boot_services;
- grub_machine_mmap_iterate (hook);
+ grub_machine_mmap_iterate (grub_relocator_alloc_chunk_align_iter, &ctx);
#else
(void) avoid_efi_boot_services;
- grub_mmap_iterate (hook);
+ grub_mmap_iterate (grub_relocator_alloc_chunk_align_iter, &ctx);
#endif
- if (!found)
+ if (!ctx.found)
return grub_error (GRUB_ERR_BAD_OS, "couldn't find suitable memory target");
}
while (1)
{
struct grub_relocator_chunk *chunk2;
for (chunk2 = rel->chunks; chunk2; chunk2 = chunk2->next)
- if ((chunk2->target <= chunk->target
- && chunk->target < chunk2->target + chunk2->size)
- || (chunk->target <= chunk2->target && chunk2->target
- < chunk->target + size))
+ if ((chunk2->target <= ctx.chunk->target
+ && ctx.chunk->target < chunk2->target + chunk2->size)
+ || (ctx.chunk->target <= chunk2->target && chunk2->target
+ < ctx.chunk->target + size))
{
if (preference == GRUB_RELOCATOR_PREFERENCE_HIGH)
- chunk->target = ALIGN_DOWN (chunk2->target, align);
+ ctx.chunk->target = ALIGN_DOWN (chunk2->target, align);
else
- chunk->target = ALIGN_UP (chunk2->target + chunk2->size, align);
+ ctx.chunk->target = ALIGN_UP (chunk2->target + chunk2->size,
+ align);
break;
}
if (!chunk2)
@@ -1441,23 +1462,23 @@ grub_relocator_alloc_chunk_align (struct grub_relocator *rel,
grub_dprintf ("relocator", "relocators_size=%ld\n",
(unsigned long) rel->relocators_size);
- if (chunk->src < chunk->target)
+ if (ctx.chunk->src < ctx.chunk->target)
rel->relocators_size += grub_relocator_backward_size;
- if (chunk->src > chunk->target)
+ if (ctx.chunk->src > ctx.chunk->target)
rel->relocators_size += grub_relocator_forward_size;
grub_dprintf ("relocator", "relocators_size=%ld\n",
(unsigned long) rel->relocators_size);
- chunk->size = size;
- chunk->next = rel->chunks;
- rel->chunks = chunk;
+ ctx.chunk->size = size;
+ ctx.chunk->next = rel->chunks;
+ rel->chunks = ctx.chunk;
grub_dprintf ("relocator", "cur = %p, next = %p\n", rel->chunks,
rel->chunks->next);
- chunk->srcv = grub_map_memory (chunk->src, chunk->size);
- *out = chunk;
+ ctx.chunk->srcv = grub_map_memory (ctx.chunk->src, ctx.chunk->size);
+ *out = ctx.chunk;
#ifdef DEBUG_RELOCATOR
- grub_memset (chunk->srcv, 0xfa, chunk->size);
+ grub_memset (ctx.chunk->srcv, 0xfa, ctx.chunk->size);
grub_mm_check ();
#endif
return GRUB_ERR_NONE;
diff --git a/grub-core/loader/i386/bsd.c b/grub-core/loader/i386/bsd.c
index 6e024e4..871cf04 100644
--- a/grub-core/loader/i386/bsd.c
+++ b/grub-core/loader/i386/bsd.c
@@ -269,81 +269,93 @@ struct grub_e820_mmap
#define GRUB_E820_NVS 4
#define GRUB_E820_BADRAM 5
-static void
-generate_e820_mmap (grub_size_t *len, grub_size_t *cnt, void *buf)
+/* Context for generate_e820_mmap. */
+struct generate_e820_mmap_ctx
{
- int count = 0;
- struct grub_e820_mmap *mmap = buf;
+ int count;
+ struct grub_e820_mmap *mmap;
struct grub_e820_mmap prev, cur;
+};
- auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t,
- grub_memory_type_t);
- int NESTED_FUNC_ATTR hook (grub_uint64_t addr, grub_uint64_t size,
- grub_memory_type_t type)
- {
- cur.addr = addr;
- cur.size = size;
- switch (type)
- {
- case GRUB_MEMORY_AVAILABLE:
- cur.type = GRUB_E820_RAM;
- break;
-
- case GRUB_MEMORY_ACPI:
- cur.type = GRUB_E820_ACPI;
- break;
+/* Helper for generate_e820_mmap. */
+static int
+generate_e820_mmap_iter (grub_uint64_t addr, grub_uint64_t size,
+ grub_memory_type_t type, void *data)
+{
+ struct generate_e820_mmap_ctx *ctx = data;
- case GRUB_MEMORY_NVS:
- cur.type = GRUB_E820_NVS;
- break;
+ ctx->cur.addr = addr;
+ ctx->cur.size = size;
+ switch (type)
+ {
+ case GRUB_MEMORY_AVAILABLE:
+ ctx->cur.type = GRUB_E820_RAM;
+ break;
+
+ case GRUB_MEMORY_ACPI:
+ ctx->cur.type = GRUB_E820_ACPI;
+ break;
+
+ case GRUB_MEMORY_NVS:
+ ctx->cur.type = GRUB_E820_NVS;
+ break;
+
+ default:
+ case GRUB_MEMORY_CODE:
+ case GRUB_MEMORY_RESERVED:
+ ctx->cur.type = GRUB_E820_RESERVED;
+ break;
+ }
- default:
- case GRUB_MEMORY_CODE:
- case GRUB_MEMORY_RESERVED:
- cur.type = GRUB_E820_RESERVED;
- break;
- }
+ /* Merge regions if possible. */
+ if (ctx->count && ctx->cur.type == ctx->prev.type
+ && ctx->cur.addr == ctx->prev.addr + ctx->prev.size)
+ {
+ ctx->prev.size += ctx->cur.size;
+ if (ctx->mmap)
+ ctx->mmap[-1] = ctx->prev;
+ }
+ else
+ {
+ if (ctx->mmap)
+ *ctx->mmap++ = ctx->cur;
+ ctx->prev = ctx->cur;
+ ctx->count++;
+ }
- /* Merge regions if possible. */
- if (count && cur.type == prev.type && cur.addr == prev.addr + prev.size)
- {
- prev.size += cur.size;
- if (mmap)
- mmap[-1] = prev;
- }
- else
+ if (kernel_type == KERNEL_TYPE_OPENBSD && ctx->prev.addr < 0x100000
+ && ctx->prev.addr + ctx->prev.size > 0x100000)
+ {
+ ctx->cur.addr = 0x100000;
+ ctx->cur.size = ctx->prev.addr + ctx->prev.size - 0x100000;
+ ctx->cur.type = ctx->prev.type;
+ ctx->prev.size = 0x100000 - ctx->prev.addr;
+ if (ctx->mmap)
{
- if (mmap)
- *mmap++ = cur;
- prev = cur;
- count++;
+ ctx->mmap[-1] = ctx->prev;
+ ctx->mmap[0] = ctx->cur;
+ ctx->mmap++;
}
+ ctx->prev = ctx->cur;
+ ctx->count++;
+ }
- if (kernel_type == KERNEL_TYPE_OPENBSD && prev.addr < 0x100000
- && prev.addr + prev.size > 0x100000)
- {
- cur.addr = 0x100000;
- cur.size = prev.addr + prev.size - 0x100000;
- cur.type = prev.type;
- prev.size = 0x100000 - prev.addr;
- if (mmap)
- {
- mmap[-1] = prev;
- mmap[0] = cur;
- mmap++;
- }
- prev = cur;
- count++;
- }
+ return 0;
+}
- return 0;
- }
+static void
+generate_e820_mmap (grub_size_t *len, grub_size_t *cnt, void *buf)
+{
+ struct generate_e820_mmap_ctx ctx = {
+ .count = 0,
+ .mmap = buf
+ };
- grub_mmap_iterate (hook);
+ grub_mmap_iterate (generate_e820_mmap_iter, &ctx);
if (len)
- *len = count * sizeof (struct grub_e820_mmap);
- *cnt = count;
+ *len = ctx.count * sizeof (struct grub_e820_mmap);
+ *cnt = ctx.count;
return;
}
diff --git a/grub-core/loader/i386/linux.c b/grub-core/loader/i386/linux.c
index fc0ebe7..41357a5 100644
--- a/grub-core/loader/i386/linux.c
+++ b/grub-core/loader/i386/linux.c
@@ -150,23 +150,25 @@ find_efi_mmap_size (void)
#endif
+/* Helper for find_mmap_size. */
+static int
+count_hook (grub_uint64_t addr __attribute__ ((unused)),
+ grub_uint64_t size __attribute__ ((unused)),
+ grub_memory_type_t type __attribute__ ((unused)), void *data)
+{
+ grub_size_t *count = data;
+
+ (*count)++;
+ return 0;
+}
+
/* Find the optimal number of pages for the memory map. */
static grub_size_t
find_mmap_size (void)
{
grub_size_t count = 0, mmap_size;
- auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t,
- grub_memory_type_t);
- int NESTED_FUNC_ATTR hook (grub_uint64_t addr __attribute__ ((unused)),
- grub_uint64_t size __attribute__ ((unused)),
- grub_memory_type_t type __attribute__ ((unused)))
- {
- count++;
- return 0;
- }
-
- grub_mmap_iterate (hook);
+ grub_mmap_iterate (count_hook, &count);
mmap_size = count * sizeof (struct grub_e820_mmap);
@@ -372,17 +374,96 @@ grub_linux_setup_video (struct linux_kernel_params *params)
return GRUB_ERR_NONE;
}
+/* Context for grub_linux_boot. */
+struct grub_linux_boot_ctx
+{
+ grub_addr_t real_mode_target;
+ grub_size_t real_size;
+ struct linux_kernel_params *params;
+ int e820_num;
+};
+
+/* Helper for grub_linux_boot. */
+static int
+grub_linux_boot_mmap_find (grub_uint64_t addr, grub_uint64_t size,
+ grub_memory_type_t type, void *data)
+{
+ struct grub_linux_boot_ctx *ctx = data;
+
+ /* We must put real mode code in the traditional space. */
+ if (type != GRUB_MEMORY_AVAILABLE || addr > 0x90000)
+ return 0;
+
+ if (addr + size < 0x10000)
+ return 0;
+
+ if (addr < 0x10000)
+ {
+ size += addr - 0x10000;
+ addr = 0x10000;
+ }
+
+ if (addr + size > 0x90000)
+ size = 0x90000 - addr;
+
+ if (ctx->real_size + efi_mmap_size > size)
+ return 0;
+
+ grub_dprintf ("linux", "addr = %lx, size = %x, need_size = %x\n",
+ (unsigned long) addr,
+ (unsigned) size,
+ (unsigned) (ctx->real_size + efi_mmap_size));
+ ctx->real_mode_target = ((addr + size) - (ctx->real_size + efi_mmap_size));
+ return 1;
+}
+
+static int
+grub_linux_boot_mmap_fill (grub_uint64_t addr, grub_uint64_t size,
+ grub_memory_type_t type, void *data)
+{
+ struct grub_linux_boot_ctx *ctx = data;
+
+ grub_uint32_t e820_type;
+ switch (type)
+ {
+ case GRUB_MEMORY_AVAILABLE:
+ e820_type = GRUB_E820_RAM;
+ break;
+
+ case GRUB_MEMORY_ACPI:
+ e820_type = GRUB_E820_ACPI;
+ break;
+
+ case GRUB_MEMORY_NVS:
+ e820_type = GRUB_E820_NVS;
+ break;
+
+ case GRUB_MEMORY_BADRAM:
+ e820_type = GRUB_E820_BADRAM;
+ break;
+
+ default:
+ e820_type = GRUB_E820_RESERVED;
+ }
+ if (grub_e820_add_region (ctx->params->e820_map, &ctx->e820_num,
+ addr, size, e820_type))
+ return 1;
+
+ return 0;
+}
+
static grub_err_t
grub_linux_boot (void)
{
- int e820_num;
grub_err_t err = 0;
const char *modevar;
char *tmp;
struct grub_relocator32_state state;
void *real_mode_mem;
- grub_addr_t real_mode_target = 0;
- grub_size_t real_size, mmap_size;
+ struct grub_linux_boot_ctx ctx = {
+ .real_mode_target = 0
+ };
+ grub_size_t mmap_size;
grub_size_t cl_offset;
#ifdef GRUB_MACHINE_IEEE1275
@@ -484,7 +565,7 @@ grub_linux_boot (void)
if (cl_offset < ((grub_size_t) linux_params.setup_sects << GRUB_DISK_SECTOR_BITS))
cl_offset = ALIGN_UP ((grub_size_t) (linux_params.setup_sects
<< GRUB_DISK_SECTOR_BITS), 4096);
- real_size = ALIGN_UP (cl_offset + maximal_cmdline_size, 4096);
+ ctx.real_size = ALIGN_UP (cl_offset + maximal_cmdline_size, 4096);
#ifdef GRUB_MACHINE_EFI
efi_mmap_size = find_efi_mmap_size ();
@@ -493,118 +574,51 @@ grub_linux_boot (void)
#endif
grub_dprintf ("linux", "real_size = %x, mmap_size = %x\n",
- (unsigned) real_size, (unsigned) mmap_size);
-
- auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t,
- grub_memory_type_t);
- int NESTED_FUNC_ATTR hook (grub_uint64_t addr, grub_uint64_t size,
- grub_memory_type_t type)
- {
- /* We must put real mode code in the traditional space. */
- if (type != GRUB_MEMORY_AVAILABLE || addr > 0x90000)
- return 0;
-
- if (addr + size < 0x10000)
- return 0;
-
- if (addr < 0x10000)
- {
- size += addr - 0x10000;
- addr = 0x10000;
- }
+ (unsigned) ctx.real_size, (unsigned) mmap_size);
- if (addr + size > 0x90000)
- size = 0x90000 - addr;
-
- if (real_size + efi_mmap_size > size)
- return 0;
-
- grub_dprintf ("linux", "addr = %lx, size = %x, need_size = %x\n",
- (unsigned long) addr,
- (unsigned) size,
- (unsigned) (real_size + efi_mmap_size));
- real_mode_target = ((addr + size) - (real_size + efi_mmap_size));
- return 1;
- }
#ifdef GRUB_MACHINE_EFI
- grub_efi_mmap_iterate (hook, 1);
- if (! real_mode_target)
- grub_efi_mmap_iterate (hook, 0);
+ grub_efi_mmap_iterate (grub_linux_boot_mmap_find, &ctx, 1);
+ if (! ctx.real_mode_target)
+ grub_efi_mmap_iterate (grub_linux_boot_mmap_find, &ctx, 0);
#else
- grub_mmap_iterate (hook);
+ grub_mmap_iterate (grub_linux_boot_mmap_find, &ctx);
#endif
grub_dprintf ("linux", "real_mode_target = %lx, real_size = %x, efi_mmap_size = %x\n",
- (unsigned long) real_mode_target,
- (unsigned) real_size,
+ (unsigned long) ctx.real_mode_target,
+ (unsigned) ctx.real_size,
(unsigned) efi_mmap_size);
- if (! real_mode_target)
+ if (! ctx.real_mode_target)
return grub_error (GRUB_ERR_OUT_OF_MEMORY, "cannot allocate real mode pages");
{
grub_relocator_chunk_t ch;
err = grub_relocator_alloc_chunk_addr (relocator, &ch,
- real_mode_target,
- (real_size + efi_mmap_size));
+ ctx.real_mode_target,
+ (ctx.real_size + efi_mmap_size));
if (err)
return err;
real_mode_mem = get_virtual_current_address (ch);
}
- efi_mmap_buf = (grub_uint8_t *) real_mode_mem + real_size;
+ efi_mmap_buf = (grub_uint8_t *) real_mode_mem + ctx.real_size;
grub_dprintf ("linux", "real_mode_mem = %lx\n",
(unsigned long) real_mode_mem);
- struct linux_kernel_params *params;
-
- params = real_mode_mem;
+ ctx.params = real_mode_mem;
- *params = linux_params;
- params->cmd_line_ptr = real_mode_target + cl_offset;
- grub_memcpy ((char *) params + cl_offset, linux_cmdline,
+ *ctx.params = linux_params;
+ ctx.params->cmd_line_ptr = ctx.real_mode_target + cl_offset;
+ grub_memcpy ((char *) ctx.params + cl_offset, linux_cmdline,
maximal_cmdline_size);
grub_dprintf ("linux", "code32_start = %x\n",
- (unsigned) params->code32_start);
-
- auto int NESTED_FUNC_ATTR hook_fill (grub_uint64_t, grub_uint64_t,
- grub_memory_type_t);
- int NESTED_FUNC_ATTR hook_fill (grub_uint64_t addr, grub_uint64_t size,
- grub_memory_type_t type)
- {
- grub_uint32_t e820_type;
- switch (type)
- {
- case GRUB_MEMORY_AVAILABLE:
- e820_type = GRUB_E820_RAM;
- break;
-
- case GRUB_MEMORY_ACPI:
- e820_type = GRUB_E820_ACPI;
- break;
-
- case GRUB_MEMORY_NVS:
- e820_type = GRUB_E820_NVS;
- break;
-
- case GRUB_MEMORY_BADRAM:
- e820_type = GRUB_E820_BADRAM;
- break;
-
- default:
- e820_type = GRUB_E820_RESERVED;
- }
- if (grub_e820_add_region (params->e820_map, &e820_num,
- addr, size, e820_type))
- return 1;
-
- return 0;
- }
+ (unsigned) ctx.params->code32_start);
- e820_num = 0;
- if (grub_mmap_iterate (hook_fill))
+ ctx.e820_num = 0;
+ if (grub_mmap_iterate (grub_linux_boot_mmap_fill, &ctx))
return grub_errno;
- params->mmap_size = e820_num;
+ ctx.params->mmap_size = ctx.e820_num;
#ifdef GRUB_MACHINE_EFI
{
@@ -617,33 +631,33 @@ grub_linux_boot (void)
return err;
/* Note that no boot services are available from here. */
- efi_mmap_target = real_mode_target
+ efi_mmap_target = ctx.real_mode_target
+ ((grub_uint8_t *) efi_mmap_buf - (grub_uint8_t *) real_mode_mem);
/* Pass EFI parameters. */
- if (grub_le_to_cpu16 (params->version) >= 0x0208)
+ if (grub_le_to_cpu16 (ctx.params->version) >= 0x0208)
{
- params->v0208.efi_mem_desc_size = efi_desc_size;
- params->v0208.efi_mem_desc_version = efi_desc_version;
- params->v0208.efi_mmap = efi_mmap_target;
- params->v0208.efi_mmap_size = efi_mmap_size;
+ ctx.params->v0208.efi_mem_desc_size = efi_desc_size;
+ ctx.params->v0208.efi_mem_desc_version = efi_desc_version;
+ ctx.params->v0208.efi_mmap = efi_mmap_target;
+ ctx.params->v0208.efi_mmap_size = efi_mmap_size;
#ifdef __x86_64__
- params->v0208.efi_mmap_hi = (efi_mmap_target >> 32);
+ ctx.params->v0208.efi_mmap_hi = (efi_mmap_target >> 32);
#endif
}
- else if (grub_le_to_cpu16 (params->version) >= 0x0206)
+ else if (grub_le_to_cpu16 (ctx.params->version) >= 0x0206)
{
- params->v0206.efi_mem_desc_size = efi_desc_size;
- params->v0206.efi_mem_desc_version = efi_desc_version;
- params->v0206.efi_mmap = efi_mmap_target;
- params->v0206.efi_mmap_size = efi_mmap_size;
+ ctx.params->v0206.efi_mem_desc_size = efi_desc_size;
+ ctx.params->v0206.efi_mem_desc_version = efi_desc_version;
+ ctx.params->v0206.efi_mmap = efi_mmap_target;
+ ctx.params->v0206.efi_mmap_size = efi_mmap_size;
}
- else if (grub_le_to_cpu16 (params->version) >= 0x0204)
+ else if (grub_le_to_cpu16 (ctx.params->version) >= 0x0204)
{
- params->v0204.efi_mem_desc_size = efi_desc_size;
- params->v0204.efi_mem_desc_version = efi_desc_version;
- params->v0204.efi_mmap = efi_mmap_target;
- params->v0204.efi_mmap_size = efi_mmap_size;
+ ctx.params->v0204.efi_mem_desc_size = efi_desc_size;
+ ctx.params->v0204.efi_mem_desc_version = efi_desc_version;
+ ctx.params->v0204.efi_mmap = efi_mmap_target;
+ ctx.params->v0204.efi_mmap_size = efi_mmap_size;
}
}
#endif
@@ -651,9 +665,9 @@ grub_linux_boot (void)
/* FIXME. */
/* asm volatile ("lidt %0" : : "m" (idt_desc)); */
state.ebp = state.edi = state.ebx = 0;
- state.esi = real_mode_target;
- state.esp = real_mode_target;
- state.eip = params->code32_start;
+ state.esi = ctx.real_mode_target;
+ state.esp = ctx.real_mode_target;
+ state.eip = ctx.params->code32_start;
return grub_relocator32_boot (relocator, state, 0);
}
diff --git a/grub-core/loader/i386/multiboot_mbi.c b/grub-core/loader/i386/multiboot_mbi.c
index 8fc40d7..18fd367 100644
--- a/grub-core/loader/i386/multiboot_mbi.c
+++ b/grub-core/loader/i386/multiboot_mbi.c
@@ -224,48 +224,50 @@ grub_multiboot_get_mbi_size (void)
return ret;
}
+/* Helper for grub_fill_multiboot_mmap. */
+static int
+grub_fill_multiboot_mmap_iter (grub_uint64_t addr, grub_uint64_t size,
+ grub_memory_type_t type, void *data)
+{
+ struct multiboot_mmap_entry **mmap_entry = data;
+
+ (*mmap_entry)->addr = addr;
+ (*mmap_entry)->len = size;
+ switch (type)
+ {
+ case GRUB_MEMORY_AVAILABLE:
+ (*mmap_entry)->type = MULTIBOOT_MEMORY_AVAILABLE;
+ break;
+
+ case GRUB_MEMORY_ACPI:
+ (*mmap_entry)->type = MULTIBOOT_MEMORY_ACPI_RECLAIMABLE;
+ break;
+
+ case GRUB_MEMORY_NVS:
+ (*mmap_entry)->type = MULTIBOOT_MEMORY_NVS;
+ break;
+
+ case GRUB_MEMORY_BADRAM:
+ (*mmap_entry)->type = MULTIBOOT_MEMORY_BADRAM;
+ break;
+
+ default:
+ (*mmap_entry)->type = MULTIBOOT_MEMORY_RESERVED;
+ break;
+ }
+ (*mmap_entry)->size = sizeof (struct multiboot_mmap_entry) - sizeof ((*mmap_entry)->size);
+ (*mmap_entry)++;
+
+ return 0;
+}
+
/* Fill previously allocated Multiboot mmap. */
static void
grub_fill_multiboot_mmap (struct multiboot_mmap_entry *first_entry)
{
struct multiboot_mmap_entry *mmap_entry = (struct multiboot_mmap_entry *) first_entry;
- auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t,
- grub_memory_type_t);
- int NESTED_FUNC_ATTR hook (grub_uint64_t addr, grub_uint64_t size,
- grub_memory_type_t type)
- {
- mmap_entry->addr = addr;
- mmap_entry->len = size;
- switch (type)
- {
- case GRUB_MEMORY_AVAILABLE:
- mmap_entry->type = MULTIBOOT_MEMORY_AVAILABLE;
- break;
-
- case GRUB_MEMORY_ACPI:
- mmap_entry->type = MULTIBOOT_MEMORY_ACPI_RECLAIMABLE;
- break;
-
- case GRUB_MEMORY_NVS:
- mmap_entry->type = MULTIBOOT_MEMORY_NVS;
- break;
-
- case GRUB_MEMORY_BADRAM:
- mmap_entry->type = MULTIBOOT_MEMORY_BADRAM;
- break;
-
- default:
- mmap_entry->type = MULTIBOOT_MEMORY_RESERVED;
- break;
- }
- mmap_entry->size = sizeof (struct multiboot_mmap_entry) - sizeof (mmap_entry->size);
- mmap_entry++;
-
- return 0;
- }
-
- grub_mmap_iterate (hook);
+ grub_mmap_iterate (grub_fill_multiboot_mmap_iter, &mmap_entry);
}
#if GRUB_MACHINE_HAS_VBE || GRUB_MACHINE_HAS_VGA_TEXT
diff --git a/grub-core/loader/multiboot.c b/grub-core/loader/multiboot.c
index fcdf5ff..496e54c 100644
--- a/grub-core/loader/multiboot.c
+++ b/grub-core/loader/multiboot.c
@@ -63,6 +63,18 @@ static int console_required;
static grub_dl_t my_mod;
+/* Helper for grub_get_multiboot_mmap_count. */
+static int
+count_hook (grub_uint64_t addr __attribute__ ((unused)),
+ grub_uint64_t size __attribute__ ((unused)),
+ grub_memory_type_t type __attribute__ ((unused)), void *data)
+{
+ grub_size_t *count = data;
+
+ (*count)++;
+ return 0;
+}
+
/* Return the length of the Multiboot mmap that will be needed to allocate
our platform's map. */
grub_uint32_t
@@ -70,16 +82,7 @@ grub_get_multiboot_mmap_count (void)
{
grub_size_t count = 0;
- auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t, grub_uint32_t);
- int NESTED_FUNC_ATTR hook (grub_uint64_t addr __attribute__ ((unused)),
- grub_uint64_t size __attribute__ ((unused)),
- grub_memory_type_t type __attribute__ ((unused)))
- {
- count++;
- return 0;
- }
-
- grub_mmap_iterate (hook);
+ grub_mmap_iterate (count_hook, &count);
return count;
}
diff --git a/grub-core/loader/multiboot_mbi2.c b/grub-core/loader/multiboot_mbi2.c
index a48f020..900793a 100644
--- a/grub-core/loader/multiboot_mbi2.c
+++ b/grub-core/loader/multiboot_mbi2.c
@@ -322,45 +322,47 @@ grub_multiboot_get_mbi_size (void)
+ sizeof (struct multiboot_tag_apm) + MULTIBOOT_TAG_ALIGN - 1;
}
-/* Fill previously allocated Multiboot mmap. */
-static void
-grub_fill_multiboot_mmap (struct multiboot_tag_mmap *tag)
+/* Helper for grub_fill_multiboot_mmap. */
+static int
+grub_fill_multiboot_mmap_iter (grub_uint64_t addr, grub_uint64_t size,
+ grub_memory_type_t type, void *data)
{
- struct multiboot_mmap_entry *mmap_entry = tag->entries;
+ struct multiboot_mmap_entry **mmap_entry = data;
- auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t,
- grub_memory_type_t);
- int NESTED_FUNC_ATTR hook (grub_uint64_t addr, grub_uint64_t size,
- grub_memory_type_t type)
+ (*mmap_entry)->addr = addr;
+ (*mmap_entry)->len = size;
+ switch (type)
{
- mmap_entry->addr = addr;
- mmap_entry->len = size;
- switch (type)
- {
- case GRUB_MEMORY_AVAILABLE:
- mmap_entry->type = MULTIBOOT_MEMORY_AVAILABLE;
- break;
-
- case GRUB_MEMORY_ACPI:
- mmap_entry->type = MULTIBOOT_MEMORY_ACPI_RECLAIMABLE;
- break;
+ case GRUB_MEMORY_AVAILABLE:
+ (*mmap_entry)->type = MULTIBOOT_MEMORY_AVAILABLE;
+ break;
- case GRUB_MEMORY_NVS:
- mmap_entry->type = MULTIBOOT_MEMORY_NVS;
- break;
+ case GRUB_MEMORY_ACPI:
+ (*mmap_entry)->type = MULTIBOOT_MEMORY_ACPI_RECLAIMABLE;
+ break;
- case GRUB_MEMORY_BADRAM:
- mmap_entry->type = MULTIBOOT_MEMORY_BADRAM;
- break;
+ case GRUB_MEMORY_NVS:
+ (*mmap_entry)->type = MULTIBOOT_MEMORY_NVS;
+ break;
- default:
- mmap_entry->type = MULTIBOOT_MEMORY_RESERVED;
- break;
- }
- mmap_entry++;
+ case GRUB_MEMORY_BADRAM:
+ (*mmap_entry)->type = MULTIBOOT_MEMORY_BADRAM;
+ break;
- return 0;
+ default:
+ (*mmap_entry)->type = MULTIBOOT_MEMORY_RESERVED;
+ break;
}
+ (*mmap_entry)++;
+
+ return 0;
+}
+
+/* Fill previously allocated Multiboot mmap. */
+static void
+grub_fill_multiboot_mmap (struct multiboot_tag_mmap *tag)
+{
+ struct multiboot_mmap_entry *mmap_entry = tag->entries;
tag->type = MULTIBOOT_TAG_TYPE_MMAP;
tag->size = sizeof (struct multiboot_tag_mmap)
@@ -368,7 +370,7 @@ grub_fill_multiboot_mmap (struct multiboot_tag_mmap *tag)
tag->entry_size = sizeof (struct multiboot_mmap_entry);
tag->entry_version = 0;
- grub_mmap_iterate (hook);
+ grub_mmap_iterate (grub_fill_multiboot_mmap_iter, &mmap_entry);
}
#if defined (GRUB_MACHINE_PCBIOS)
diff --git a/grub-core/loader/powerpc/ieee1275/linux.c b/grub-core/loader/powerpc/ieee1275/linux.c
index 70e288c..b150904 100644
--- a/grub-core/loader/powerpc/ieee1275/linux.c
+++ b/grub-core/loader/powerpc/ieee1275/linux.c
@@ -51,49 +51,51 @@ static char *linux_args;
typedef void (*kernel_entry_t) (void *, unsigned long, int (void *),
unsigned long, unsigned long);
+/* Helper for grub_linux_claimmap_iterate. */
+static int
+alloc_mem (grub_uint64_t addr, grub_uint64_t len, grub_memory_type_t type,
+ void *data)
+{
+ grub_addr_t *found_addr = data;
+
+ grub_uint64_t end = addr + len;
+ addr = ALIGN_UP (addr, align);
+ target = ALIGN_UP (target, align);
+
+ /* Target above the memory chunk. */
+ if (type != GRUB_MEMORY_AVAILABLE || target > end)
+ return 0;
+
+ /* Target inside the memory chunk. */
+ if (target >= addr && target < end && size <= end - target)
+ {
+ if (grub_claimmap (target, size) == GRUB_ERR_NONE)
+ {
+ *found_addr = target;
+ return 1;
+ }
+ grub_print_error ();
+ }
+ /* Target below the memory chunk. */
+ if (target < addr && addr + size <= end)
+ {
+ if (grub_claimmap (addr, size) == GRUB_ERR_NONE)
+ {
+ *found_addr = addr;
+ return 1;
+ }
+ grub_print_error ();
+ }
+ return 0;
+}
+
static grub_addr_t
grub_linux_claimmap_iterate (grub_addr_t target, grub_size_t size,
grub_size_t align)
{
grub_addr_t found_addr = (grub_addr_t) -1;
- auto int NESTED_FUNC_ATTR alloc_mem (grub_uint64_t addr, grub_uint64_t len,
- grub_memory_type_t type);
- int NESTED_FUNC_ATTR alloc_mem (grub_uint64_t addr, grub_uint64_t len,
- grub_memory_type_t type)
- {
- grub_uint64_t end = addr + len;
- addr = ALIGN_UP (addr, align);
- target = ALIGN_UP (target, align);
-
- /* Target above the memory chunk. */
- if (type != GRUB_MEMORY_AVAILABLE || target > end)
- return 0;
-
- /* Target inside the memory chunk. */
- if (target >= addr && target < end && size <= end - target)
- {
- if (grub_claimmap (target, size) == GRUB_ERR_NONE)
- {
- found_addr = target;
- return 1;
- }
- grub_print_error ();
- }
- /* Target below the memory chunk. */
- if (target < addr && addr + size <= end)
- {
- if (grub_claimmap (addr, size) == GRUB_ERR_NONE)
- {
- found_addr = addr;
- return 1;
- }
- grub_print_error ();
- }
- return 0;
- }
-
- grub_machine_mmap_iterate (alloc_mem);
+ grub_machine_mmap_iterate (alloc_mem, &found_addr);
return found_addr;
}
diff --git a/grub-core/loader/sparc64/ieee1275/linux.c b/grub-core/loader/sparc64/ieee1275/linux.c
index 06d1df6..a485284 100644
--- a/grub-core/loader/sparc64/ieee1275/linux.c
+++ b/grub-core/loader/sparc64/ieee1275/linux.c
@@ -180,63 +180,64 @@ grub_linux_unload (void)
#define FOUR_MB (4 * 1024 * 1024)
-static grub_addr_t
-alloc_phys (grub_addr_t size)
+/* Helper for alloc_phys. */
+static int
+alloc_phys_choose (grub_uint64_t addr, grub_uint64_t len,
+ grub_memory_type_t type, void *data)
{
- grub_addr_t ret = (grub_addr_t) -1;
+ grub_addr_t *ret = data;
+ grub_addr_t end = addr + len;
- auto int NESTED_FUNC_ATTR choose (grub_uint64_t addr, grub_uint64_t len,
- grub_memory_type_t type);
- int NESTED_FUNC_ATTR choose (grub_uint64_t addr, grub_uint64_t len,
- grub_memory_type_t type)
- {
- grub_addr_t end = addr + len;
+ if (type != 1)
+ return 0;
- if (type != 1)
- return 0;
+ addr = ALIGN_UP (addr, FOUR_MB);
+ if (addr + size >= end)
+ return 0;
- addr = ALIGN_UP (addr, FOUR_MB);
- if (addr + size >= end)
- return 0;
+ if (addr >= grub_phys_start && addr < grub_phys_end)
+ {
+ addr = ALIGN_UP (grub_phys_end, FOUR_MB);
+ if (addr + size >= end)
+ return 0;
+ }
+ if ((addr + size) >= grub_phys_start
+ && (addr + size) < grub_phys_end)
+ {
+ addr = ALIGN_UP (grub_phys_end, FOUR_MB);
+ if (addr + size >= end)
+ return 0;
+ }
- if (addr >= grub_phys_start && addr < grub_phys_end)
- {
- addr = ALIGN_UP (grub_phys_end, FOUR_MB);
- if (addr + size >= end)
- return 0;
- }
- if ((addr + size) >= grub_phys_start
- && (addr + size) < grub_phys_end)
- {
- addr = ALIGN_UP (grub_phys_end, FOUR_MB);
- if (addr + size >= end)
- return 0;
- }
-
- if (loaded)
- {
- grub_addr_t linux_end = ALIGN_UP (linux_paddr + linux_size, FOUR_MB);
-
- if (addr >= linux_paddr && addr < linux_end)
- {
- addr = linux_end;
- if (addr + size >= end)
- return 0;
- }
- if ((addr + size) >= linux_paddr
- && (addr + size) < linux_end)
- {
- addr = linux_end;
- if (addr + size >= end)
- return 0;
- }
- }
-
- ret = addr;
- return 1;
- }
-
- grub_machine_mmap_iterate (choose);
+ if (loaded)
+ {
+ grub_addr_t linux_end = ALIGN_UP (linux_paddr + linux_size, FOUR_MB);
+
+ if (addr >= linux_paddr && addr < linux_end)
+ {
+ addr = linux_end;
+ if (addr + size >= end)
+ return 0;
+ }
+ if ((addr + size) >= linux_paddr
+ && (addr + size) < linux_end)
+ {
+ addr = linux_end;
+ if (addr + size >= end)
+ return 0;
+ }
+ }
+
+ *ret = addr;
+ return 1;
+}
+
+static grub_addr_t
+alloc_phys (grub_addr_t size)
+{
+ grub_addr_t ret = (grub_addr_t) -1;
+
+ grub_machine_mmap_iterate (alloc_phys_choose, &ret);
return ret;
}
@@ -454,21 +455,23 @@ grub_cmd_initrd (grub_command_t cmd __attribute__ ((unused)),
return grub_errno;
}
-static void
-determine_phys_base (void)
+/* Helper for determine_phys_base. */
+static int
+get_physbase (grub_uint64_t addr, grub_uint64_t len __attribute__ ((unused)),
+ grub_uint32_t type, void *data __attribute__ ((unused)))
{
- auto int NESTED_FUNC_ATTR get_physbase (grub_uint64_t addr, grub_uint64_t len __attribute__((unused)), grub_uint32_t type);
- int NESTED_FUNC_ATTR get_physbase (grub_uint64_t addr, grub_uint64_t len __attribute__((unused)), grub_uint32_t type)
- {
- if (type != 1)
- return 0;
- if (addr < phys_base)
- phys_base = addr;
+ if (type != 1)
return 0;
- }
+ if (addr < phys_base)
+ phys_base = addr;
+ return 0;
+}
+static void
+determine_phys_base (void)
+{
phys_base = ~(grub_uint64_t) 0;
- grub_machine_mmap_iterate (get_physbase);
+ grub_machine_mmap_iterate (get_physbase, NULL);
}
static void
diff --git a/grub-core/mmap/efi/mmap.c b/grub-core/mmap/efi/mmap.c
index c71adad..4f17c8b 100644
--- a/grub-core/mmap/efi/mmap.c
+++ b/grub-core/mmap/efi/mmap.c
@@ -29,7 +29,8 @@
((grub_efi_memory_descriptor_t *) ((char *) (desc) + (size)))
grub_err_t
-grub_efi_mmap_iterate (grub_memory_hook_t hook, int avoid_efi_boot_services)
+grub_efi_mmap_iterate (grub_memory_hook_t hook, void *hook_data,
+ int avoid_efi_boot_services)
{
grub_efi_uintn_t mmap_size = 0;
grub_efi_memory_descriptor_t *map_buf = 0;
@@ -69,17 +70,17 @@ grub_efi_mmap_iterate (grub_memory_hook_t hook, int avoid_efi_boot_services)
if (!avoid_efi_boot_services)
{
hook (desc->physical_start, desc->num_pages * 4096,
- GRUB_MEMORY_AVAILABLE);
+ GRUB_MEMORY_AVAILABLE, hook_data);
break;
}
case GRUB_EFI_RUNTIME_SERVICES_CODE:
hook (desc->physical_start, desc->num_pages * 4096,
- GRUB_MEMORY_CODE);
+ GRUB_MEMORY_CODE, hook_data);
break;
case GRUB_EFI_UNUSABLE_MEMORY:
hook (desc->physical_start, desc->num_pages * 4096,
- GRUB_MEMORY_BADRAM);
+ GRUB_MEMORY_BADRAM, hook_data);
break;
default:
@@ -90,7 +91,7 @@ grub_efi_mmap_iterate (grub_memory_hook_t hook, int avoid_efi_boot_services)
if (!avoid_efi_boot_services)
{
hook (desc->physical_start, desc->num_pages * 4096,
- GRUB_MEMORY_AVAILABLE);
+ GRUB_MEMORY_AVAILABLE, hook_data);
break;
}
case GRUB_EFI_RESERVED_MEMORY_TYPE:
@@ -99,24 +100,24 @@ grub_efi_mmap_iterate (grub_memory_hook_t hook, int avoid_efi_boot_services)
case GRUB_EFI_MEMORY_MAPPED_IO_PORT_SPACE:
case GRUB_EFI_PAL_CODE:
hook (desc->physical_start, desc->num_pages * 4096,
- GRUB_MEMORY_RESERVED);
+ GRUB_MEMORY_RESERVED, hook_data);
break;
case GRUB_EFI_LOADER_CODE:
case GRUB_EFI_LOADER_DATA:
case GRUB_EFI_CONVENTIONAL_MEMORY:
hook (desc->physical_start, desc->num_pages * 4096,
- GRUB_MEMORY_AVAILABLE);
+ GRUB_MEMORY_AVAILABLE, hook_data);
break;
case GRUB_EFI_ACPI_RECLAIM_MEMORY:
hook (desc->physical_start, desc->num_pages * 4096,
- GRUB_MEMORY_ACPI);
+ GRUB_MEMORY_ACPI, hook_data);
break;
case GRUB_EFI_ACPI_MEMORY_NVS:
hook (desc->physical_start, desc->num_pages * 4096,
- GRUB_MEMORY_NVS);
+ GRUB_MEMORY_NVS, hook_data);
break;
}
}
@@ -125,9 +126,9 @@ grub_efi_mmap_iterate (grub_memory_hook_t hook, int avoid_efi_boot_services)
}
grub_err_t
-grub_machine_mmap_iterate (grub_memory_hook_t hook)
+grub_machine_mmap_iterate (grub_memory_hook_t hook, void *hook_data)
{
- return grub_efi_mmap_iterate (hook, 0);
+ return grub_efi_mmap_iterate (hook, hook_data, 0);
}
static inline grub_efi_memory_type_t
diff --git a/grub-core/mmap/i386/mmap.c b/grub-core/mmap/i386/mmap.c
index 648a7df..ac45f70 100644
--- a/grub-core/mmap/i386/mmap.c
+++ b/grub-core/mmap/i386/mmap.c
@@ -27,34 +27,48 @@
#ifndef GRUB_MMAP_REGISTER_BY_FIRMWARE
+/* Context for grub_mmap_malign_and_register. */
+struct grub_mmap_malign_and_register_ctx
+{
+ grub_uint64_t align, size, highestlow;
+};
+
+/* Helper for grub_mmap_malign_and_register. */
+static int
+find_hook (grub_uint64_t start, grub_uint64_t rangesize,
+ grub_memory_type_t memtype, void *data)
+{
+ struct grub_mmap_malign_and_register_ctx *ctx = data;
+ grub_uint64_t end = start + rangesize;
+
+ if (memtype != GRUB_MEMORY_AVAILABLE)
+ return 0;
+ if (end > 0x100000)
+ end = 0x100000;
+ if (end > start + ctx->size
+ && ctx->highestlow < ((end - ctx->size)
+ - ((end - ctx->size) & (ctx->align - 1))))
+ ctx->highestlow = (end - ctx->size)
+ - ((end - ctx->size) & (ctx->align - 1));
+ return 0;
+}
+
void *
grub_mmap_malign_and_register (grub_uint64_t align, grub_uint64_t size,
int *handle, int type, int flags)
{
- grub_uint64_t highestlow = 0;
-
- auto int NESTED_FUNC_ATTR find_hook (grub_uint64_t, grub_uint64_t,
- grub_memory_type_t);
- int NESTED_FUNC_ATTR find_hook (grub_uint64_t start, grub_uint64_t rangesize,
- grub_memory_type_t memtype)
- {
- grub_uint64_t end = start + rangesize;
- if (memtype != GRUB_MEMORY_AVAILABLE)
- return 0;
- if (end > 0x100000)
- end = 0x100000;
- if (end > start + size
- && highestlow < ((end - size) - ((end - size) & (align - 1))))
- highestlow = (end - size) - ((end - size) & (align - 1));
- return 0;
- }
+ struct grub_mmap_malign_and_register_ctx ctx = {
+ .align = align,
+ .size = size,
+ .highestlow = 0
+ };
void *ret;
if (flags & GRUB_MMAP_MALLOC_LOW)
{
/* FIXME: use low-memory mm allocation once it's available. */
- grub_mmap_iterate (find_hook);
- ret = (void *) (grub_addr_t) highestlow;
+ grub_mmap_iterate (find_hook, &ctx);
+ ret = (void *) (grub_addr_t) ctx.highestlow;
}
else
ret = grub_memalign (align, size);
diff --git a/grub-core/mmap/i386/pc/mmap.c b/grub-core/mmap/i386/pc/mmap.c
index 12ae4a4..983e220 100644
--- a/grub-core/mmap/i386/pc/mmap.c
+++ b/grub-core/mmap/i386/pc/mmap.c
@@ -50,22 +50,23 @@ struct grub_e820_mmap_entry
} __attribute__((packed));
+/* Helper for preboot. */
+static int fill_hook (grub_uint64_t addr, grub_uint64_t size,
+ grub_memory_type_t type, void *data)
+{
+ struct grub_e820_mmap_entry **hookmmapcur = data;
+ grub_dprintf ("mmap", "mmap chunk %llx-%llx:%x\n", addr, addr + size, type);
+ (*hookmmapcur)->addr = addr;
+ (*hookmmapcur)->len = size;
+ (*hookmmapcur)->type = type;
+ (*hookmmapcur)++;
+ return 0;
+}
+
static grub_err_t
preboot (int noreturn __attribute__ ((unused)))
{
struct grub_e820_mmap_entry *hookmmap, *hookmmapcur;
- auto int NESTED_FUNC_ATTR fill_hook (grub_uint64_t, grub_uint64_t,
- grub_uint32_t);
- int NESTED_FUNC_ATTR fill_hook (grub_uint64_t addr, grub_uint64_t size,
- grub_memory_type_t type)
- {
- grub_dprintf ("mmap", "mmap chunk %llx-%llx:%x\n", addr, addr + size, type);
- hookmmapcur->addr = addr;
- hookmmapcur->len = size;
- hookmmapcur->type = type;
- hookmmapcur++;
- return 0;
- }
if (! hooktarget)
return grub_error (GRUB_ERR_OUT_OF_MEMORY,
@@ -77,7 +78,7 @@ preboot (int noreturn __attribute__ ((unused)))
((grub_uint8_t *) hooktarget + (&grub_machine_mmaphook_end
- &grub_machine_mmaphook_start));
- grub_mmap_iterate (fill_hook);
+ grub_mmap_iterate (fill_hook, &hookmmapcur);
grub_machine_mmaphook_mmap_num = hookmmapcur - hookmmap;
grub_machine_mmaphook_kblow = grub_mmap_get_lower () >> 10;
@@ -123,6 +124,17 @@ preboot_rest (void)
return GRUB_ERR_NONE;
}
+/* Helper for malloc_hook. */
+static int
+count_hook (grub_uint64_t addr __attribute__ ((unused)),
+ grub_uint64_t size __attribute__ ((unused)),
+ grub_memory_type_t type __attribute__ ((unused)), void *data)
+{
+ int *regcount = data;
+ (*regcount)++;
+ return 0;
+}
+
static grub_err_t
malloc_hook (void)
{
@@ -131,22 +143,13 @@ malloc_hook (void)
static int slots_available = 0;
int hooksize;
int regcount = 0;
- auto int NESTED_FUNC_ATTR count_hook (grub_uint64_t, grub_uint64_t,
- grub_uint32_t);
- int NESTED_FUNC_ATTR count_hook (grub_uint64_t addr __attribute__ ((unused)),
- grub_uint64_t size __attribute__ ((unused)),
- grub_memory_type_t type __attribute__ ((unused)))
- {
- regcount++;
- return 0;
- }
if (reentry)
return GRUB_ERR_NONE;
grub_dprintf ("mmap", "registering\n");
- grub_mmap_iterate (count_hook);
+ grub_mmap_iterate (count_hook, &regcount);
/* Mapping hook itself may introduce up to 2 additional regions. */
regcount += 2;
diff --git a/grub-core/mmap/i386/uppermem.c b/grub-core/mmap/i386/uppermem.c
index 2aa4301..bd8b429 100644
--- a/grub-core/mmap/i386/uppermem.c
+++ b/grub-core/mmap/i386/uppermem.c
@@ -22,68 +22,73 @@
#include <grub/mm.h>
#include <grub/misc.h>
+/* Helper for grub_mmap_get_lower. */
+static int
+lower_hook (grub_uint64_t addr, grub_uint64_t size, grub_memory_type_t type,
+ void *data)
+{
+ grub_uint64_t *lower = data;
+
+ if (type != GRUB_MEMORY_AVAILABLE)
+ return 0;
+ if (addr == 0)
+ *lower = size;
+ return 0;
+}
+
grub_uint64_t
grub_mmap_get_lower (void)
{
grub_uint64_t lower = 0;
- auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t,
- grub_memory_type_t);
- int NESTED_FUNC_ATTR hook (grub_uint64_t addr, grub_uint64_t size,
- grub_memory_type_t type)
- {
- if (type != GRUB_MEMORY_AVAILABLE)
- return 0;
- if (addr == 0)
- lower = size;
- return 0;
- }
-
- grub_mmap_iterate (hook);
+ grub_mmap_iterate (lower_hook, &lower);
if (lower > 0x100000)
lower = 0x100000;
return lower;
}
+/* Helper for grub_mmap_get_upper. */
+static int
+upper_hook (grub_uint64_t addr, grub_uint64_t size, grub_memory_type_t type,
+ void *data)
+{
+ grub_uint64_t *upper = data;
+
+ if (type != GRUB_MEMORY_AVAILABLE)
+ return 0;
+ if (addr <= 0x100000 && addr + size > 0x100000)
+ *upper = addr + size - 0x100000;
+ return 0;
+}
+
grub_uint64_t
grub_mmap_get_upper (void)
{
grub_uint64_t upper = 0;
- auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t,
- grub_memory_type_t);
- int NESTED_FUNC_ATTR hook (grub_uint64_t addr, grub_uint64_t size,
- grub_memory_type_t type)
- {
- if (type != GRUB_MEMORY_AVAILABLE)
- return 0;
- if (addr <= 0x100000 && addr + size > 0x100000)
- upper = addr + size - 0x100000;
- return 0;
- }
-
- grub_mmap_iterate (hook);
+ grub_mmap_iterate (upper_hook, &upper);
return upper;
}
+/* Helper for grub_mmap_get_post64. */
+static int
+post64_hook (grub_uint64_t addr, grub_uint64_t size, grub_memory_type_t type,
+ void *data)
+{
+ grub_uint64_t *post64 = data;
+ if (type != GRUB_MEMORY_AVAILABLE)
+ return 0;
+ if (addr <= 0x4000000 && addr + size > 0x4000000)
+ *post64 = addr + size - 0x4000000;
+ return 0;
+}
+
/* Count the continuous bytes after 64 MiB. */
grub_uint64_t
grub_mmap_get_post64 (void)
{
grub_uint64_t post64 = 0;
- auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t,
- grub_memory_type_t);
- int NESTED_FUNC_ATTR hook (grub_uint64_t addr, grub_uint64_t size,
- grub_memory_type_t type)
- {
- if (type != GRUB_MEMORY_AVAILABLE)
- return 0;
- if (addr <= 0x4000000 && addr + size > 0x4000000)
- post64 = addr + size - 0x4000000;
- return 0;
- }
-
- grub_mmap_iterate (hook);
+ grub_mmap_iterate (post64_hook, &post64);
return post64;
}
diff --git a/grub-core/mmap/mips/uppermem.c b/grub-core/mmap/mips/uppermem.c
index 8326185..a980e07 100644
--- a/grub-core/mmap/mips/uppermem.c
+++ b/grub-core/mmap/mips/uppermem.c
@@ -22,47 +22,51 @@
#include <grub/misc.h>
#include <grub/cpu/memory.h>
+/* Helper for grub_mmap_get_lower. */
+static int
+lower_hook (grub_uint64_t addr, grub_uint64_t size, grub_memory_type_t type,
+ void *data)
+{
+ grub_uint64_t *lower = data;
+
+ if (type != GRUB_MEMORY_AVAILABLE)
+ return 0;
+ if (addr == 0)
+ *lower = size;
+ return 0;
+}
+
grub_uint64_t
grub_mmap_get_lower (void)
{
grub_uint64_t lower = 0;
- auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t,
- grub_memory_type_t);
- int NESTED_FUNC_ATTR hook (grub_uint64_t addr, grub_uint64_t size,
- grub_memory_type_t type)
- {
- if (type != GRUB_MEMORY_AVAILABLE)
- return 0;
- if (addr == 0)
- lower = size;
- return 0;
- }
-
- grub_mmap_iterate (hook);
+ grub_mmap_iterate (lower_hook, &lower);
if (lower > GRUB_ARCH_LOWMEMMAXSIZE)
lower = GRUB_ARCH_LOWMEMMAXSIZE;
return lower;
}
+/* Helper for grub_mmap_get_upper. */
+static int
+upper_hook (grub_uint64_t addr, grub_uint64_t size, grub_memory_type_t type,
+ void *data)
+{
+ grub_uint64_t *upper = data;
+
+ if (type != GRUB_MEMORY_AVAILABLE)
+ return 0;
+ if (addr <= GRUB_ARCH_HIGHMEMPSTART && addr + size
+ > GRUB_ARCH_HIGHMEMPSTART)
+ *upper = addr + size - GRUB_ARCH_HIGHMEMPSTART;
+ return 0;
+}
+
grub_uint64_t
grub_mmap_get_upper (void)
{
grub_uint64_t upper = 0;
- auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t,
- grub_memory_type_t);
- int NESTED_FUNC_ATTR hook (grub_uint64_t addr, grub_uint64_t size,
- grub_memory_type_t type)
- {
- if (type != GRUB_MEMORY_AVAILABLE)
- return 0;
- if (addr <= GRUB_ARCH_HIGHMEMPSTART && addr + size
- > GRUB_ARCH_HIGHMEMPSTART)
- upper = addr + size - GRUB_ARCH_HIGHMEMPSTART;
- return 0;
- }
-
- grub_mmap_iterate (hook);
+ grub_mmap_iterate (upper_hook, &upper);
return upper;
}
diff --git a/grub-core/mmap/mmap.c b/grub-core/mmap/mmap.c
index 0b734dd..40ffb2e 100644
--- a/grub-core/mmap/mmap.c
+++ b/grub-core/mmap/mmap.c
@@ -35,43 +35,90 @@ static int curhandle = 1;
#endif
-grub_err_t
-grub_mmap_iterate (grub_memory_hook_t hook)
+/* If same page is used by multiple types it's resolved
+ according to priority:
+ 1 - free memory
+ 2 - memory usable by firmware-aware code
+ 3 - unusable memory
+ 4 - a range deliberately empty
+*/
+static const int priority[] =
+{
+ [GRUB_MEMORY_AVAILABLE] = 1,
+ [GRUB_MEMORY_RESERVED] = 3,
+ [GRUB_MEMORY_ACPI] = 2,
+ [GRUB_MEMORY_CODE] = 3,
+ [GRUB_MEMORY_NVS] = 3,
+ [GRUB_MEMORY_HOLE] = 4,
+};
+
+/* Scanline events. */
+struct grub_mmap_scan
+{
+ /* At which memory address. */
+ grub_uint64_t pos;
+ /* 0 = region starts, 1 = region ends. */
+ int type;
+ /* Which type of memory region? */
+ int memtype;
+};
+
+/* Context for grub_mmap_iterate. */
+struct grub_mmap_iterate_ctx
+{
+ struct grub_mmap_scan *scanline_events;
+ int i;
+};
+
+/* Helper for grub_mmap_iterate. */
+static int
+count_hook (grub_uint64_t addr __attribute__ ((unused)),
+ grub_uint64_t size __attribute__ ((unused)),
+ grub_memory_type_t type __attribute__ ((unused)), void *data)
+{
+ int *mmap_num = data;
+
+ (*mmap_num)++;
+ return 0;
+}
+
+/* Helper for grub_mmap_iterate. */
+static int
+fill_hook (grub_uint64_t addr, grub_uint64_t size, grub_memory_type_t type,
+ void *data)
{
+ struct grub_mmap_iterate_ctx *ctx = data;
+ ctx->scanline_events[ctx->i].pos = addr;
+ ctx->scanline_events[ctx->i].type = 0;
+ if (type < ARRAY_SIZE (priority) && priority[type])
+ ctx->scanline_events[ctx->i].memtype = type;
+ else
+ {
+ grub_dprintf ("mmap", "Unknown memory type %d. Assuming unusable\n",
+ type);
+ ctx->scanline_events[ctx->i].memtype = GRUB_MEMORY_RESERVED;
+ }
+ ctx->i++;
+
+ ctx->scanline_events[ctx->i].pos = addr + size;
+ ctx->scanline_events[ctx->i].type = 1;
+ ctx->scanline_events[ctx->i].memtype =
+ ctx->scanline_events[ctx->i - 1].memtype;
+ ctx->i++;
+
+ return 0;
+}
+
+grub_err_t
+grub_mmap_iterate (grub_memory_hook_t hook, void *hook_data)
+{
/* This function resolves overlapping regions and sorts the memory map.
It uses scanline (sweeping) algorithm.
*/
- /* If same page is used by multiple types it's resolved
- according to priority:
- 1 - free memory
- 2 - memory usable by firmware-aware code
- 3 - unusable memory
- 4 - a range deliberately empty
- */
- int priority[] =
- {
- [GRUB_MEMORY_AVAILABLE] = 1,
- [GRUB_MEMORY_RESERVED] = 3,
- [GRUB_MEMORY_ACPI] = 2,
- [GRUB_MEMORY_CODE] = 3,
- [GRUB_MEMORY_NVS] = 3,
- [GRUB_MEMORY_HOLE] = 4,
- };
-
+ struct grub_mmap_iterate_ctx ctx;
int i, done;
- /* Scanline events. */
- struct grub_mmap_scan
- {
- /* At which memory address. */
- grub_uint64_t pos;
- /* 0 = region starts, 1 = region ends. */
- int type;
- /* Which type of memory region? */
- int memtype;
- };
- struct grub_mmap_scan *scanline_events;
struct grub_mmap_scan t;
/* Previous scanline event. */
@@ -88,42 +135,6 @@ grub_mmap_iterate (grub_memory_hook_t hook)
struct grub_mmap_region *cur;
#endif
- auto int NESTED_FUNC_ATTR count_hook (grub_uint64_t, grub_uint64_t,
- grub_uint32_t);
- int NESTED_FUNC_ATTR count_hook (grub_uint64_t addr __attribute__ ((unused)),
- grub_uint64_t size __attribute__ ((unused)),
- grub_memory_type_t type __attribute__ ((unused)))
- {
- mmap_num++;
- return 0;
- }
-
- auto int NESTED_FUNC_ATTR fill_hook (grub_uint64_t, grub_uint64_t,
- grub_uint32_t);
- int NESTED_FUNC_ATTR fill_hook (grub_uint64_t addr,
- grub_uint64_t size,
- grub_memory_type_t type)
- {
- scanline_events[i].pos = addr;
- scanline_events[i].type = 0;
- if (type < ARRAY_SIZE (priority) && priority[type])
- scanline_events[i].memtype = type;
- else
- {
- grub_dprintf ("mmap", "Unknown memory type %d. Assuming unusable\n",
- type);
- scanline_events[i].memtype = GRUB_MEMORY_RESERVED;
- }
- i++;
-
- scanline_events[i].pos = addr + size;
- scanline_events[i].type = 1;
- scanline_events[i].memtype = scanline_events[i - 1].memtype;
- i++;
-
- return 0;
- }
-
mmap_num = 0;
#ifndef GRUB_MMAP_REGISTER_BY_FIRMWARE
@@ -131,37 +142,38 @@ grub_mmap_iterate (grub_memory_hook_t hook)
mmap_num++;
#endif
- grub_machine_mmap_iterate (count_hook);
+ grub_machine_mmap_iterate (count_hook, &mmap_num);
/* Initialize variables. */
grub_memset (present, 0, sizeof (present));
- scanline_events = (struct grub_mmap_scan *)
+ ctx.scanline_events = (struct grub_mmap_scan *)
grub_malloc (sizeof (struct grub_mmap_scan) * 2 * mmap_num);
- if (! scanline_events)
+ if (! ctx.scanline_events)
return grub_errno;
- i = 0;
+ ctx.i = 0;
#ifndef GRUB_MMAP_REGISTER_BY_FIRMWARE
/* Register scanline events. */
for (cur = grub_mmap_overlays; cur; cur = cur->next)
{
- scanline_events[i].pos = cur->start;
- scanline_events[i].type = 0;
+ ctx.scanline_events[ctx.i].pos = cur->start;
+ ctx.scanline_events[ctx.i].type = 0;
if (cur->type < ARRAY_SIZE (priority) && priority[cur->type])
- scanline_events[i].memtype = cur->type;
+ ctx.scanline_events[ctx.i].memtype = cur->type;
else
- scanline_events[i].memtype = GRUB_MEMORY_RESERVED;
- i++;
-
- scanline_events[i].pos = cur->end;
- scanline_events[i].type = 1;
- scanline_events[i].memtype = scanline_events[i - 1].memtype;
- i++;
+ ctx.scanline_events[ctx.i].memtype = GRUB_MEMORY_RESERVED;
+ ctx.i++;
+
+ ctx.scanline_events[ctx.i].pos = cur->end;
+ ctx.scanline_events[ctx.i].type = 1;
+ ctx.scanline_events[ctx.i].memtype =
+ ctx.scanline_events[ctx.i - 1].memtype;
+ ctx.i++;
}
#endif /* ! GRUB_MMAP_REGISTER_BY_FIRMWARE */
- grub_machine_mmap_iterate (fill_hook);
+ grub_machine_mmap_iterate (fill_hook, &ctx);
/* Primitive bubble sort. It has complexity O(n^2) but since we're
unlikely to have more than 100 chunks it's probably one of the
@@ -171,28 +183,28 @@ grub_mmap_iterate (grub_memory_hook_t hook)
{
done = 0;
for (i = 0; i < 2 * mmap_num - 1; i++)
- if (scanline_events[i + 1].pos < scanline_events[i].pos
- || (scanline_events[i + 1].pos == scanline_events[i].pos
- && scanline_events[i + 1].type == 0
- && scanline_events[i].type == 1))
+ if (ctx.scanline_events[i + 1].pos < ctx.scanline_events[i].pos
+ || (ctx.scanline_events[i + 1].pos == ctx.scanline_events[i].pos
+ && ctx.scanline_events[i + 1].type == 0
+ && ctx.scanline_events[i].type == 1))
{
- t = scanline_events[i + 1];
- scanline_events[i + 1] = scanline_events[i];
- scanline_events[i] = t;
+ t = ctx.scanline_events[i + 1];
+ ctx.scanline_events[i + 1] = ctx.scanline_events[i];
+ ctx.scanline_events[i] = t;
done = 1;
}
}
- lastaddr = scanline_events[0].pos;
- lasttype = scanline_events[0].memtype;
+ lastaddr = ctx.scanline_events[0].pos;
+ lasttype = ctx.scanline_events[0].memtype;
for (i = 0; i < 2 * mmap_num; i++)
{
unsigned k;
/* Process event. */
- if (scanline_events[i].type)
- present[scanline_events[i].memtype]--;
+ if (ctx.scanline_events[i].type)
+ present[ctx.scanline_events[i].memtype]--;
else
- present[scanline_events[i].memtype]++;
+ present[ctx.scanline_events[i].memtype]++;
/* Determine current region type. */
curtype = -1;
@@ -202,12 +214,13 @@ grub_mmap_iterate (grub_memory_hook_t hook)
/* Announce region to the hook if necessary. */
if ((curtype == -1 || curtype != lasttype)
- && lastaddr != scanline_events[i].pos
+ && lastaddr != ctx.scanline_events[i].pos
&& lasttype != -1
&& lasttype != GRUB_MEMORY_HOLE
- && hook (lastaddr, scanline_events[i].pos - lastaddr, lasttype))
+ && hook (lastaddr, ctx.scanline_events[i].pos - lastaddr, lasttype,
+ hook_data))
{
- grub_free (scanline_events);
+ grub_free (ctx.scanline_events);
return GRUB_ERR_NONE;
}
@@ -215,11 +228,11 @@ grub_mmap_iterate (grub_memory_hook_t hook)
if (curtype == -1 || curtype != lasttype)
{
lasttype = curtype;
- lastaddr = scanline_events[i].pos;
+ lastaddr = ctx.scanline_events[i].pos;
}
}
- grub_free (scanline_events);
+ grub_free (ctx.scanline_events);
return GRUB_ERR_NONE;
}
@@ -280,19 +293,23 @@ grub_mmap_unregister (int handle)
#define CHUNK_SIZE 0x400
+struct badram_entry {
+ grub_uint64_t addr, mask;
+};
+
static inline grub_uint64_t
-fill_mask (grub_uint64_t addr, grub_uint64_t mask, grub_uint64_t iterator)
+fill_mask (struct badram_entry *entry, grub_uint64_t iterator)
{
int i, j;
- grub_uint64_t ret = (addr & mask);
+ grub_uint64_t ret = (entry->addr & entry->mask);
/* Find first fixed bit. */
for (i = 0; i < 64; i++)
- if ((mask & (1ULL << i)) != 0)
+ if ((entry->mask & (1ULL << i)) != 0)
break;
j = 0;
for (; i < 64; i++)
- if ((mask & (1ULL << i)) == 0)
+ if ((entry->mask & (1ULL << i)) == 0)
{
if ((iterator & (1ULL << j)) != 0)
ret |= 1ULL << i;
@@ -301,64 +318,64 @@ fill_mask (grub_uint64_t addr, grub_uint64_t mask, grub_uint64_t iterator)
return ret;
}
+/* Helper for grub_cmd_badram. */
+static int
+badram_iter (grub_uint64_t addr, grub_uint64_t size,
+ grub_memory_type_t type __attribute__ ((unused)), void *data)
+{
+ struct badram_entry *entry = data;
+ grub_uint64_t iterator, low, high, cur;
+ int tail, var;
+ int i;
+ grub_dprintf ("badram", "hook %llx+%llx\n", (unsigned long long) addr,
+ (unsigned long long) size);
+
+ /* How many trailing zeros? */
+ for (tail = 0; ! (entry->mask & (1ULL << tail)); tail++);
+
+ /* How many zeros in mask? */
+ var = 0;
+ for (i = 0; i < 64; i++)
+ if (! (entry->mask & (1ULL << i)))
+ var++;
+
+ if (fill_mask (entry, 0) >= addr)
+ iterator = 0;
+ else
+ {
+ low = 0;
+ high = ~0ULL;
+ /* Find starting value. Keep low and high such that
+ fill_mask (low) < addr and fill_mask (high) >= addr;
+ */
+ while (high - low > 1)
+ {
+ cur = (low + high) / 2;
+ if (fill_mask (entry, cur) >= addr)
+ high = cur;
+ else
+ low = cur;
+ }
+ iterator = high;
+ }
+
+ for (; iterator < (1ULL << (var - tail))
+ && (cur = fill_mask (entry, iterator)) < addr + size;
+ iterator++)
+ {
+ grub_dprintf ("badram", "%llx (size %llx) is a badram range\n",
+ (unsigned long long) cur, (1ULL << tail));
+ grub_mmap_register (cur, (1ULL << tail), GRUB_MEMORY_HOLE);
+ }
+ return 0;
+}
+
static grub_err_t
grub_cmd_badram (grub_command_t cmd __attribute__ ((unused)),
int argc, char **args)
{
char * str;
- grub_uint64_t badaddr, badmask;
-
- auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t,
- grub_memory_type_t);
- int NESTED_FUNC_ATTR hook (grub_uint64_t addr,
- grub_uint64_t size,
- grub_memory_type_t type __attribute__ ((unused)))
- {
- grub_uint64_t iterator, low, high, cur;
- int tail, var;
- int i;
- grub_dprintf ("badram", "hook %llx+%llx\n", (unsigned long long) addr,
- (unsigned long long) size);
-
- /* How many trailing zeros? */
- for (tail = 0; ! (badmask & (1ULL << tail)); tail++);
-
- /* How many zeros in mask? */
- var = 0;
- for (i = 0; i < 64; i++)
- if (! (badmask & (1ULL << i)))
- var++;
-
- if (fill_mask (badaddr, badmask, 0) >= addr)
- iterator = 0;
- else
- {
- low = 0;
- high = ~0ULL;
- /* Find starting value. Keep low and high such that
- fill_mask (low) < addr and fill_mask (high) >= addr;
- */
- while (high - low > 1)
- {
- cur = (low + high) / 2;
- if (fill_mask (badaddr, badmask, cur) >= addr)
- high = cur;
- else
- low = cur;
- }
- iterator = high;
- }
-
- for (; iterator < (1ULL << (var - tail))
- && (cur = fill_mask (badaddr, badmask, iterator)) < addr + size;
- iterator++)
- {
- grub_dprintf ("badram", "%llx (size %llx) is a badram range\n",
- (unsigned long long) cur, (1ULL << tail));
- grub_mmap_register (cur, (1ULL << tail), GRUB_MEMORY_HOLE);
- }
- return 0;
- }
+ struct badram_entry entry;
if (argc != 1)
return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("one argument expected"));
@@ -370,10 +387,10 @@ grub_cmd_badram (grub_command_t cmd __attribute__ ((unused)),
while (1)
{
/* Parse address and mask. */
- badaddr = grub_strtoull (str, &str, 16);
+ entry.addr = grub_strtoull (str, &str, 16);
if (*str == ',')
str++;
- badmask = grub_strtoull (str, &str, 16);
+ entry.mask = grub_strtoull (str, &str, 16);
if (*str == ',')
str++;
@@ -385,12 +402,13 @@ grub_cmd_badram (grub_command_t cmd __attribute__ ((unused)),
/* When part of a page is tainted, we discard the whole of it. There's
no point in providing sub-page chunks. */
- badmask &= ~(CHUNK_SIZE - 1);
+ entry.mask &= ~(CHUNK_SIZE - 1);
grub_dprintf ("badram", "badram %llx:%llx\n",
- (unsigned long long) badaddr, (unsigned long long) badmask);
+ (unsigned long long) entry.addr,
+ (unsigned long long) entry.mask);
- grub_mmap_iterate (hook);
+ grub_mmap_iterate (badram_iter, &entry);
}
}
@@ -416,44 +434,48 @@ parsemem (const char *str)
return ret;
}
-static grub_err_t
-grub_cmd_cutmem (grub_command_t cmd __attribute__ ((unused)),
- int argc, char **args)
-{
+struct cutmem_range {
grub_uint64_t from, to;
+};
- auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t,
- grub_memory_type_t);
- int NESTED_FUNC_ATTR hook (grub_uint64_t addr,
- grub_uint64_t size,
- grub_memory_type_t type __attribute__ ((unused)))
- {
- grub_uint64_t end = addr + size;
-
- if (addr <= from)
- addr = from;
- if (end >= to)
- end = to;
+/* Helper for grub_cmd_cutmem. */
+static int
+cutmem_iter (grub_uint64_t addr, grub_uint64_t size,
+ grub_memory_type_t type __attribute__ ((unused)), void *data)
+{
+ struct cutmem_range *range = data;
+ grub_uint64_t end = addr + size;
- if (end <= addr)
- return 0;
+ if (addr <= range->from)
+ addr = range->from;
+ if (end >= range->to)
+ end = range->to;
- grub_mmap_register (addr, end - addr, GRUB_MEMORY_HOLE);
+ if (end <= addr)
return 0;
- }
+
+ grub_mmap_register (addr, end - addr, GRUB_MEMORY_HOLE);
+ return 0;
+}
+
+static grub_err_t
+grub_cmd_cutmem (grub_command_t cmd __attribute__ ((unused)),
+ int argc, char **args)
+{
+ struct cutmem_range range;
if (argc != 2)
return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("two arguments expected"));
- from = parsemem (args[0]);
+ range.from = parsemem (args[0]);
if (grub_errno)
return grub_errno;
- to = parsemem (args[1]);
+ range.to = parsemem (args[1]);
if (grub_errno)
return grub_errno;
- grub_mmap_iterate (hook);
+ grub_mmap_iterate (cutmem_iter, &range);
return GRUB_ERR_NONE;
}
diff --git a/include/grub/efiemu/efiemu.h b/include/grub/efiemu/efiemu.h
index 4ce3fc9..f241e75 100644
--- a/include/grub/efiemu/efiemu.h
+++ b/include/grub/efiemu/efiemu.h
@@ -226,7 +226,7 @@ grub_efiemu_finish_boot_services (grub_efi_uintn_t *memory_map_size,
grub_efi_uint32_t *descriptor_version);
grub_err_t
-grub_efiemu_mmap_iterate (grub_memory_hook_t hook);
+grub_efiemu_mmap_iterate (grub_memory_hook_t hook, void *hook_data);
int grub_efiemu_sizeof_uintn_t (void);
grub_err_t
grub_efiemu_get_lower_upper_memory (grub_uint64_t *lower, grub_uint64_t *upper);
diff --git a/include/grub/memory.h b/include/grub/memory.h
index 61470d7..3311fcb 100644
--- a/include/grub/memory.h
+++ b/include/grub/memory.h
@@ -36,21 +36,25 @@ typedef enum grub_memory_type
GRUB_MEMORY_HOLE = 21
} grub_memory_type_t;
-typedef int NESTED_FUNC_ATTR (*grub_memory_hook_t) (grub_uint64_t,
- grub_uint64_t,
- grub_memory_type_t);
+typedef int (*grub_memory_hook_t) (grub_uint64_t,
+ grub_uint64_t,
+ grub_memory_type_t,
+ void *);
-grub_err_t grub_mmap_iterate (grub_memory_hook_t hook);
+grub_err_t grub_mmap_iterate (grub_memory_hook_t hook, void *hook_data);
#ifdef GRUB_MACHINE_EFI
grub_err_t
-grub_efi_mmap_iterate (grub_memory_hook_t hook, int avoid_efi_boot_services);
+grub_efi_mmap_iterate (grub_memory_hook_t hook, void *hook_data,
+ int avoid_efi_boot_services);
#endif
#if !defined (GRUB_MACHINE_EMU) && !defined (GRUB_MACHINE_EFI)
-grub_err_t EXPORT_FUNC(grub_machine_mmap_iterate) (grub_memory_hook_t hook);
+grub_err_t EXPORT_FUNC(grub_machine_mmap_iterate) (grub_memory_hook_t hook,
+ void *hook_data);
#else
-grub_err_t grub_machine_mmap_iterate (grub_memory_hook_t hook);
+grub_err_t grub_machine_mmap_iterate (grub_memory_hook_t hook,
+ void *hook_data);
#endif
int grub_mmap_register (grub_uint64_t start, grub_uint64_t size, int type);
--
1.8.2.1
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