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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Vladimir Serbinenko <phcoder@gmail.com>
Date: Mon, 8 May 2017 19:06:22 +0200
Subject: [PATCH] coreboot: Split parts that are platform-independent.
We currently assume that coreboot is always i386, it's no longer the case,
so split i386-coreboot parts from generic coreboot code.
---
grub-core/Makefile.core.def | 6 +-
grub-core/commands/i386/coreboot/cb_timestamps.c | 2 +-
grub-core/commands/i386/coreboot/cbls.c | 2 +-
grub-core/kern/coreboot/cbtable.c | 70 ++++++++++++++++++++++++
grub-core/kern/{i386 => }/coreboot/mmap.c | 6 +-
grub-core/kern/i386/coreboot/cbtable.c | 53 +++---------------
grub-core/term/i386/coreboot/cbmemc.c | 2 +-
grub-core/video/{i386 => }/coreboot/cbfb.c | 2 +-
include/grub/{i386 => }/coreboot/lbio.h | 9 +++
grub-core/Makefile.am | 2 +-
10 files changed, 99 insertions(+), 55 deletions(-)
create mode 100644 grub-core/kern/coreboot/cbtable.c
rename grub-core/kern/{i386 => }/coreboot/mmap.c (97%)
rename grub-core/video/{i386 => }/coreboot/cbfb.c (99%)
rename include/grub/{i386 => }/coreboot/lbio.h (93%)
diff --git a/grub-core/Makefile.core.def b/grub-core/Makefile.core.def
index fb59a7b1d6a..45ed0fa6b1c 100644
--- a/grub-core/Makefile.core.def
+++ b/grub-core/Makefile.core.def
@@ -166,7 +166,7 @@ kernel = {
i386_multiboot = kern/i386/coreboot/init.c;
i386_qemu = kern/i386/qemu/init.c;
i386_coreboot_multiboot_qemu = term/i386/pc/vga_text.c;
- i386_coreboot = video/i386/coreboot/cbfb.c;
+ i386_coreboot = video/coreboot/cbfb.c;
efi = disk/efi/efidisk.c;
efi = kern/efi/efi.c;
@@ -227,8 +227,9 @@ kernel = {
i386_qemu = kern/vga_init.c;
i386_qemu = kern/i386/qemu/mmap.c;
- i386_coreboot = kern/i386/coreboot/mmap.c;
+ i386_coreboot = kern/coreboot/mmap.c;
i386_coreboot = kern/i386/coreboot/cbtable.c;
+ i386_coreboot = kern/coreboot/cbtable.c;
i386_multiboot = kern/i386/multiboot_mmap.c;
@@ -643,6 +644,7 @@ module = {
module = {
name = cbtable;
common = kern/i386/coreboot/cbtable.c;
+ common = kern/coreboot/cbtable.c;
enable = i386_pc;
enable = i386_efi;
enable = i386_qemu;
diff --git a/grub-core/commands/i386/coreboot/cb_timestamps.c b/grub-core/commands/i386/coreboot/cb_timestamps.c
index e72f38d6e05..e97ea6bed98 100644
--- a/grub-core/commands/i386/coreboot/cb_timestamps.c
+++ b/grub-core/commands/i386/coreboot/cb_timestamps.c
@@ -20,7 +20,7 @@
#include <grub/misc.h>
#include <grub/command.h>
#include <grub/i18n.h>
-#include <grub/i386/coreboot/lbio.h>
+#include <grub/coreboot/lbio.h>
#include <grub/i386/tsc.h>
GRUB_MOD_LICENSE ("GPLv3+");
diff --git a/grub-core/commands/i386/coreboot/cbls.c b/grub-core/commands/i386/coreboot/cbls.c
index e0a10596fe2..102291f424a 100644
--- a/grub-core/commands/i386/coreboot/cbls.c
+++ b/grub-core/commands/i386/coreboot/cbls.c
@@ -20,7 +20,7 @@
#include <grub/misc.h>
#include <grub/command.h>
#include <grub/i18n.h>
-#include <grub/i386/coreboot/lbio.h>
+#include <grub/coreboot/lbio.h>
#include <grub/i386/tsc.h>
GRUB_MOD_LICENSE ("GPLv3+");
diff --git a/grub-core/kern/coreboot/cbtable.c b/grub-core/kern/coreboot/cbtable.c
new file mode 100644
index 00000000000..996d3f40738
--- /dev/null
+++ b/grub-core/kern/coreboot/cbtable.c
@@ -0,0 +1,70 @@
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2007,2008,2013 Free Software Foundation, Inc.
+ *
+ * GRUB is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GRUB is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/i386/coreboot/memory.h>
+#include <grub/coreboot/lbio.h>
+#include <grub/types.h>
+#include <grub/err.h>
+#include <grub/misc.h>
+#include <grub/dl.h>
+
+/* Helper for grub_linuxbios_table_iterate. */
+int
+grub_linuxbios_check_signature (grub_linuxbios_table_header_t tbl_header)
+{
+ if (! grub_memcmp (tbl_header->signature, "LBIO", 4))
+ return 1;
+
+ return 0;
+}
+
+grub_err_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_get_tables ();
+ grub_linuxbios_table_item_t table_item;
+
+ if (!table_header)
+ return 0;
+
+signature_found:
+
+ table_item =
+ (grub_linuxbios_table_item_t) ((char *) table_header +
+ table_header->header_size);
+ for (; table_item < (grub_linuxbios_table_item_t) ((char *) table_header
+ + table_header->header_size
+ + table_header->table_size);
+ table_item = (grub_linuxbios_table_item_t) ((char *) table_item + table_item->size))
+ {
+ if (table_item->tag == GRUB_LINUXBIOS_MEMBER_LINK
+ && grub_linuxbios_check_signature ((grub_linuxbios_table_header_t) (grub_addr_t)
+ *(grub_uint64_t *) (table_item + 1)))
+ {
+ table_header = (grub_linuxbios_table_header_t) (grub_addr_t)
+ *(grub_uint64_t *) (table_item + 1);
+ goto signature_found;
+ }
+ if (hook (table_item, hook_data))
+ return 1;
+ }
+
+ return 0;
+}
diff --git a/grub-core/kern/i386/coreboot/mmap.c b/grub-core/kern/coreboot/mmap.c
similarity index 97%
rename from grub-core/kern/i386/coreboot/mmap.c
rename to grub-core/kern/coreboot/mmap.c
index 4d29f6b7d90..caf8f7cef1b 100644
--- a/grub-core/kern/i386/coreboot/mmap.c
+++ b/grub-core/kern/coreboot/mmap.c
@@ -16,8 +16,8 @@
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
-#include <grub/machine/memory.h>
-#include <grub/machine/lbio.h>
+#include <grub/memory.h>
+#include <grub/coreboot/lbio.h>
#include <grub/types.h>
#include <grub/err.h>
#include <grub/misc.h>
@@ -49,6 +49,7 @@ iterate_linuxbios_table (grub_linuxbios_table_item_t table_item, void *data)
{
grub_uint64_t start = mem_region->addr;
grub_uint64_t end = mem_region->addr + mem_region->size;
+#ifdef __i386__
/* Mark region 0xa0000 - 0x100000 as reserved. */
if (start < 0x100000 && end >= 0xa0000
&& mem_region->type == GRUB_MACHINE_MEMORY_AVAILABLE)
@@ -75,6 +76,7 @@ iterate_linuxbios_table (grub_linuxbios_table_item_t table_item, void *data)
if (end <= start)
continue;
}
+#endif
if (ctx->hook (start, end - start,
/* Multiboot mmaps match with the coreboot mmap
definition. Therefore, we can just pass type
diff --git a/grub-core/kern/i386/coreboot/cbtable.c b/grub-core/kern/i386/coreboot/cbtable.c
index 1669bc0ca23..34a2b59be1f 100644
--- a/grub-core/kern/i386/coreboot/cbtable.c
+++ b/grub-core/kern/i386/coreboot/cbtable.c
@@ -17,7 +17,7 @@
*/
#include <grub/i386/coreboot/memory.h>
-#include <grub/i386/coreboot/lbio.h>
+#include <grub/coreboot/lbio.h>
#include <grub/types.h>
#include <grub/err.h>
#include <grub/misc.h>
@@ -25,59 +25,20 @@
GRUB_MOD_LICENSE ("GPLv3+");
-/* Helper for grub_linuxbios_table_iterate. */
-static int
-check_signature (grub_linuxbios_table_header_t tbl_header)
-{
- if (! grub_memcmp (tbl_header->signature, "LBIO", 4))
- return 1;
-
- return 0;
-}
-
-grub_err_t
-grub_linuxbios_table_iterate (int (*hook) (grub_linuxbios_table_item_t,
- void *),
- void *hook_data)
+grub_linuxbios_table_header_t
+grub_linuxbios_get_tables (void)
{
grub_linuxbios_table_header_t table_header;
- grub_linuxbios_table_item_t table_item;
-
/* Assuming table_header is aligned to its size (8 bytes). */
-
for (table_header = (grub_linuxbios_table_header_t) 0x500;
table_header < (grub_linuxbios_table_header_t) 0x1000; table_header++)
- if (check_signature (table_header))
- goto signature_found;
+ if (grub_linuxbios_check_signature (table_header))
+ return table_header;
for (table_header = (grub_linuxbios_table_header_t) 0xf0000;
table_header < (grub_linuxbios_table_header_t) 0x100000; table_header++)
- if (check_signature (table_header))
- goto signature_found;
-
- return 0;
-
-signature_found:
-
- table_item =
- (grub_linuxbios_table_item_t) ((char *) table_header +
- table_header->header_size);
- for (; table_item < (grub_linuxbios_table_item_t) ((char *) table_header
- + table_header->header_size
- + table_header->table_size);
- table_item = (grub_linuxbios_table_item_t) ((char *) table_item + table_item->size))
- {
- if (table_item->tag == GRUB_LINUXBIOS_MEMBER_LINK
- && check_signature ((grub_linuxbios_table_header_t) (grub_addr_t)
- *(grub_uint64_t *) (table_item + 1)))
- {
- table_header = (grub_linuxbios_table_header_t) (grub_addr_t)
- *(grub_uint64_t *) (table_item + 1);
- goto signature_found;
- }
- if (hook (table_item, hook_data))
- return 1;
- }
+ if (grub_linuxbios_check_signature (table_header))
+ return table_header;
return 0;
}
diff --git a/grub-core/term/i386/coreboot/cbmemc.c b/grub-core/term/i386/coreboot/cbmemc.c
index 25e64a05c03..129248c7f47 100644
--- a/grub-core/term/i386/coreboot/cbmemc.c
+++ b/grub-core/term/i386/coreboot/cbmemc.c
@@ -23,7 +23,7 @@
#include <grub/time.h>
#include <grub/terminfo.h>
#include <grub/dl.h>
-#include <grub/i386/coreboot/lbio.h>
+#include <grub/coreboot/lbio.h>
#include <grub/command.h>
#include <grub/normal.h>
diff --git a/grub-core/video/i386/coreboot/cbfb.c b/grub-core/video/coreboot/cbfb.c
similarity index 99%
rename from grub-core/video/i386/coreboot/cbfb.c
rename to grub-core/video/coreboot/cbfb.c
index dede0c37ea3..9af81fa5b01 100644
--- a/grub-core/video/i386/coreboot/cbfb.c
+++ b/grub-core/video/coreboot/cbfb.c
@@ -25,7 +25,7 @@
#include <grub/mm.h>
#include <grub/video.h>
#include <grub/video_fb.h>
-#include <grub/machine/lbio.h>
+#include <grub/coreboot/lbio.h>
#include <grub/machine/console.h>
struct grub_linuxbios_table_framebuffer *grub_video_coreboot_fbtable;
diff --git a/include/grub/i386/coreboot/lbio.h b/include/grub/coreboot/lbio.h
similarity index 93%
rename from include/grub/i386/coreboot/lbio.h
rename to include/grub/coreboot/lbio.h
index 1c3fa6f1953..5076d36c71b 100644
--- a/include/grub/i386/coreboot/lbio.h
+++ b/include/grub/coreboot/lbio.h
@@ -20,6 +20,9 @@
#ifndef _GRUB_MACHINE_LBIO_HEADER
#define _GRUB_MACHINE_LBIO_HEADER 1
+#include <grub/types.h>
+#include <grub/err.h>
+
struct grub_linuxbios_table_header
{
grub_uint8_t signature[4];
@@ -102,4 +105,10 @@ EXPORT_FUNC(grub_linuxbios_table_iterate) (int (*hook) (grub_linuxbios_table_ite
void *),
void *hook_data);
+grub_linuxbios_table_header_t
+grub_linuxbios_get_tables (void);
+
+int
+grub_linuxbios_check_signature (grub_linuxbios_table_header_t tbl_header);
+
#endif
diff --git a/grub-core/Makefile.am b/grub-core/Makefile.am
index 809a8aa26bf..781d0ffbf75 100644
--- a/grub-core/Makefile.am
+++ b/grub-core/Makefile.am
@@ -112,7 +112,7 @@ endif
if COND_i386_coreboot
KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/i386/tsc.h
-KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/i386/coreboot/lbio.h
+KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/coreboot/lbio.h
KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/video.h
KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/video_fb.h
KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/gfxterm.h
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