grub2/0131-Fix-powerpc-and-sparc64-build-failures-caused-by-un-.patch

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2013-06-07 18:03:56 +00:00
From 617d656f2e310da90dd5d4f426cb7f7c9d7a3069 Mon Sep 17 00:00:00 2001
From: Colin Watson <cjwatson@ubuntu.com>
Date: Mon, 21 Jan 2013 14:41:06 +0000
Subject: [PATCH 131/482] Fix powerpc and sparc64 build failures caused by
un-nesting memory map iterators.
---
ChangeLog | 5 ++++
grub-core/loader/powerpc/ieee1275/linux.c | 41 +++++++++++++++++++++----------
grub-core/loader/sparc64/ieee1275/linux.c | 38 +++++++++++++++++-----------
3 files changed, 57 insertions(+), 27 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 1c3958f..04572d2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
2013-01-21 Colin Watson <cjwatson@ubuntu.com>
+ Fix powerpc and sparc64 build failures caused by un-nesting memory
+ map iterators.
+
+2013-01-21 Colin Watson <cjwatson@ubuntu.com>
+
* grub-core/disk/arc/arcdisk.c (grub_arcdisk_iterate): Fix
parameter declarations.
diff --git a/grub-core/loader/powerpc/ieee1275/linux.c b/grub-core/loader/powerpc/ieee1275/linux.c
index b150904..c977941 100644
--- a/grub-core/loader/powerpc/ieee1275/linux.c
+++ b/grub-core/loader/powerpc/ieee1275/linux.c
@@ -51,37 +51,47 @@ static char *linux_args;
typedef void (*kernel_entry_t) (void *, unsigned long, int (void *),
unsigned long, unsigned long);
+/* Context for grub_linux_claimmap_iterate. */
+struct grub_linux_claimmap_iterate_ctx
+{
+ grub_addr_t target;
+ grub_size_t size;
+ grub_size_t align;
+ grub_addr_t found_addr;
+};
+
/* 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;
+ struct grub_linux_claimmap_iterate_ctx *ctx = data;
grub_uint64_t end = addr + len;
- addr = ALIGN_UP (addr, align);
- target = ALIGN_UP (target, align);
+ addr = ALIGN_UP (addr, ctx->align);
+ ctx->target = ALIGN_UP (ctx->target, ctx->align);
/* Target above the memory chunk. */
- if (type != GRUB_MEMORY_AVAILABLE || target > end)
+ if (type != GRUB_MEMORY_AVAILABLE || ctx->target > end)
return 0;
/* Target inside the memory chunk. */
- if (target >= addr && target < end && size <= end - target)
+ if (ctx->target >= addr && ctx->target < end &&
+ ctx->size <= end - ctx->target)
{
- if (grub_claimmap (target, size) == GRUB_ERR_NONE)
+ if (grub_claimmap (ctx->target, ctx->size) == GRUB_ERR_NONE)
{
- *found_addr = target;
+ ctx->found_addr = ctx->target;
return 1;
}
grub_print_error ();
}
/* Target below the memory chunk. */
- if (target < addr && addr + size <= end)
+ if (ctx->target < addr && addr + ctx->size <= end)
{
- if (grub_claimmap (addr, size) == GRUB_ERR_NONE)
+ if (grub_claimmap (addr, ctx->size) == GRUB_ERR_NONE)
{
- *found_addr = addr;
+ ctx->found_addr = addr;
return 1;
}
grub_print_error ();
@@ -93,11 +103,16 @@ 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;
+ struct grub_linux_claimmap_iterate_ctx ctx = {
+ .target = target,
+ .size = size,
+ .align = align,
+ .found_addr = (grub_addr_t) -1
+ };
- grub_machine_mmap_iterate (alloc_mem, &found_addr);
+ grub_machine_mmap_iterate (alloc_mem, &ctx);
- return found_addr;
+ return ctx.found_addr;
}
static grub_err_t
diff --git a/grub-core/loader/sparc64/ieee1275/linux.c b/grub-core/loader/sparc64/ieee1275/linux.c
index a485284..c85fcfd 100644
--- a/grub-core/loader/sparc64/ieee1275/linux.c
+++ b/grub-core/loader/sparc64/ieee1275/linux.c
@@ -180,32 +180,39 @@ grub_linux_unload (void)
#define FOUR_MB (4 * 1024 * 1024)
+/* Context for alloc_phys. */
+struct alloc_phys_ctx
+{
+ grub_addr_t size;
+ grub_addr_t ret;
+};
+
/* 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 = data;
+ struct alloc_phys_ctx *ctx = data;
grub_addr_t end = addr + len;
if (type != 1)
return 0;
addr = ALIGN_UP (addr, FOUR_MB);
- if (addr + size >= end)
+ if (addr + ctx->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)
+ if (addr + ctx->size >= end)
return 0;
}
- if ((addr + size) >= grub_phys_start
- && (addr + size) < grub_phys_end)
+ if ((addr + ctx->size) >= grub_phys_start
+ && (addr + ctx->size) < grub_phys_end)
{
addr = ALIGN_UP (grub_phys_end, FOUR_MB);
- if (addr + size >= end)
+ if (addr + ctx->size >= end)
return 0;
}
@@ -216,30 +223,33 @@ alloc_phys_choose (grub_uint64_t addr, grub_uint64_t len,
if (addr >= linux_paddr && addr < linux_end)
{
addr = linux_end;
- if (addr + size >= end)
+ if (addr + ctx->size >= end)
return 0;
}
- if ((addr + size) >= linux_paddr
- && (addr + size) < linux_end)
+ if ((addr + ctx->size) >= linux_paddr
+ && (addr + ctx->size) < linux_end)
{
addr = linux_end;
- if (addr + size >= end)
+ if (addr + ctx->size >= end)
return 0;
}
}
- *ret = addr;
+ ctx->ret = addr;
return 1;
}
static grub_addr_t
alloc_phys (grub_addr_t size)
{
- grub_addr_t ret = (grub_addr_t) -1;
+ struct alloc_phys_ctx ctx = {
+ .size = size,
+ .ret = (grub_addr_t) -1
+ };
- grub_machine_mmap_iterate (alloc_phys_choose, &ret);
+ grub_machine_mmap_iterate (alloc_phys_choose, &ctx);
- return ret;
+ return ctx.ret;
}
static grub_err_t
--
2013-06-07 18:03:56 +00:00
1.8.2.1