179 lines
6.5 KiB
Diff
179 lines
6.5 KiB
Diff
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From 9fb5d59797c2de5670f1c2044a1323fc410eb125 Mon Sep 17 00:00:00 2001
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From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
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Date: Wed, 24 Apr 2013 13:54:17 +0200
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Subject: [PATCH 334/364] Move mips-arc link address. Previous link
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address was chosen in belief that RAM on SGI platforms grows down while
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in fact it grows up from an unusual base.
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---
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ChangeLog | 6 ++++++
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grub-core/Makefile.core.def | 6 +++---
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grub-core/kern/mips/arc/init.c | 14 +++++++++-----
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grub-core/kern/mips/startup.S | 2 --
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include/grub/mips/arc/memory.h | 2 +-
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include/grub/offsets.h | 2 +-
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util/grub-mkimage.c | 11 ++++-------
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7 files changed, 24 insertions(+), 19 deletions(-)
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diff --git a/ChangeLog b/ChangeLog
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index 2150d3d..39bb827 100644
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--- a/ChangeLog
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+++ b/ChangeLog
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@@ -1,3 +1,9 @@
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+2013-04-24 Vladimir Serbinenko <phcoder@gmail.com>
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+
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+ Move mips-arc link address. Previous link address was chosen
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+ in belief that RAM on SGI platforms grows down while in fact it
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+ grows up from an unusual base.
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+
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2013-04-21 Vladimir Serbinenko <phcoder@gmail.com>
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* grub-core/disk/arc/arcdisk.c (grub_arcdisk_iterate_iter):
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diff --git a/grub-core/Makefile.core.def b/grub-core/Makefile.core.def
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index 7269609..8f36ea0 100644
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--- a/grub-core/Makefile.core.def
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+++ b/grub-core/Makefile.core.def
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@@ -73,7 +73,7 @@ kernel = {
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mips_loongson_ldflags = '-Wl,-Ttext,0x80200000';
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powerpc_ieee1275_ldflags = '-Wl,-Ttext,0x200000';
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sparc64_ieee1275_ldflags = '-Wl,-Ttext,0x4400';
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- mips_arc_ldflags = '-Wl,-Ttext,0x8bd00000';
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+ mips_arc_ldflags = '-Wl,-Ttext,0x88200000';
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mips_qemu_mips_ldflags = '-Wl,-Ttext,0x80200000';
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mips_loongson_cppflags = '-DUSE_ASCII_FAILBACK';
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@@ -372,7 +372,7 @@ image = {
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objcopyflags = '-O binary';
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mips_loongson_ldflags = '-static-libgcc -Wl,-Ttext,0x80100000';
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mips_qemu_mips_ldflags = '-static-libgcc -Wl,-Ttext,0x80100000';
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- mips_arc_ldflags = '-static-libgcc -Wl,-Ttext,0x8bc00000';
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+ mips_arc_ldflags = '-static-libgcc -Wl,-Ttext,0x88100000';
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ldadd = '-lgcc';
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cflags = '-Wno-unreachable-code -static-libgcc';
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enable = mips;
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@@ -388,7 +388,7 @@ image = {
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objcopyflags = '-O binary';
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mips_loongson_ldflags = '-static-libgcc -Wl,-Ttext,0x80100000';
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mips_qemu_mips_ldflags = '-static-libgcc -Wl,-Ttext,0x80100000';
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- mips_arc_ldflags = '-static-libgcc -Wl,-Ttext,0x8bc00000';
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+ mips_arc_ldflags = '-static-libgcc -Wl,-Ttext,0x88100000';
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ldadd = '-lgcc';
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cflags = '-static-libgcc';
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enable = mips;
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diff --git a/grub-core/kern/mips/arc/init.c b/grub-core/kern/mips/arc/init.c
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index f63ac6d..011c63f 100644
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--- a/grub-core/kern/mips/arc/init.c
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+++ b/grub-core/kern/mips/arc/init.c
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@@ -128,12 +128,16 @@ grub_machine_mmap_iterate (grub_memory_hook_t hook, void *hook_data)
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extern grub_uint32_t grub_total_modules_size __attribute__ ((section(".text")));
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grub_addr_t grub_modbase;
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+extern char _end[];
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+
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void
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grub_machine_init (void)
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{
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struct grub_arc_memory_descriptor *cur = NULL;
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+ grub_addr_t modend;
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- grub_modbase = GRUB_KERNEL_MIPS_ARC_LINK_ADDR - grub_total_modules_size;
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+ grub_modbase = ALIGN_UP ((grub_addr_t) _end, GRUB_KERNEL_MACHINE_MOD_ALIGN);
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+ modend = grub_modbase + grub_total_modules_size;
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grub_console_init_early ();
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/* FIXME: measure this. */
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@@ -153,10 +157,10 @@ grub_machine_init (void)
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start = ((grub_uint64_t) cur->start_page) << 12;
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end = ((grub_uint64_t) cur->num_pages) << 12;
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end += start;
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- if ((grub_uint64_t) end > ((GRUB_KERNEL_MIPS_ARC_LINK_ADDR
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- - grub_total_modules_size) & 0x1fffffff))
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- end = ((GRUB_KERNEL_MIPS_ARC_LINK_ADDR - grub_total_modules_size)
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- & 0x1fffffff);
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+ if ((grub_uint64_t) start < (modend & 0x1fffffff))
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+ start = (modend & 0x1fffffff);
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+ if ((grub_uint64_t) end > 0x20000000)
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+ end = 0x20000000;
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if (end > start)
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grub_mm_init_region ((void *) (grub_addr_t) (start | 0x80000000),
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end - start);
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diff --git a/grub-core/kern/mips/startup.S b/grub-core/kern/mips/startup.S
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index 2476038..35a11bc 100644
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--- a/grub-core/kern/mips/startup.S
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+++ b/grub-core/kern/mips/startup.S
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@@ -73,7 +73,6 @@ cont:
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#endif
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/* Move the modules out of BSS. */
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-#ifndef GRUB_MACHINE_ARC
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lui $t2, %hi(__bss_start)
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addiu $t2, %lo(__bss_start)
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@@ -103,7 +102,6 @@ modulesmovcont:
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b modulesmovcont
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addiu $t3, $t3, -1
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modulesmovdone:
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-#endif
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/* Clean BSS. */
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diff --git a/include/grub/mips/arc/memory.h b/include/grub/mips/arc/memory.h
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index b960d2a..68b425f 100644
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--- a/include/grub/mips/arc/memory.h
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+++ b/include/grub/mips/arc/memory.h
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@@ -19,7 +19,7 @@
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#ifndef GRUB_MEMORY_MACHINE_HEADER
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#define GRUB_MEMORY_MACHINE_HEADER 1
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-#define GRUB_MACHINE_MEMORY_STACK_HIGH 0x8bfffff0
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+#define GRUB_MACHINE_MEMORY_STACK_HIGH 0x881ffff0
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#ifndef ASM_FILE
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diff --git a/include/grub/offsets.h b/include/grub/offsets.h
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index bce755d..1e673d5 100644
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--- a/include/grub/offsets.h
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+++ b/include/grub/offsets.h
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@@ -80,7 +80,7 @@
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#define GRUB_DECOMPRESSOR_MIPS_QEMU_MIPS_UNCOMPRESSED_ADDR 0x10
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#define GRUB_KERNEL_MIPS_QEMU_MIPS_TOTAL_MODULE_SIZE 0x08
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-#define GRUB_KERNEL_MIPS_ARC_LINK_ADDR 0x8bd00000
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+#define GRUB_KERNEL_MIPS_ARC_LINK_ADDR 0x88200000
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#define GRUB_KERNEL_MIPS_ARC_LINK_ALIGN 32
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diff --git a/util/grub-mkimage.c b/util/grub-mkimage.c
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index 0acc61e..41f795a 100644
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--- a/util/grub-mkimage.c
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+++ b/util/grub-mkimage.c
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@@ -387,8 +387,7 @@ struct image_target_desc image_targets[] =
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.voidp_sizeof = 4,
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.bigendian = 1,
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.id = IMAGE_MIPS_ARC,
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- .flags = (PLATFORM_FLAGS_DECOMPRESSORS
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- | PLATFORM_FLAGS_MODULES_BEFORE_KERNEL),
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+ .flags = PLATFORM_FLAGS_DECOMPRESSORS,
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.total_module_size = GRUB_KERNEL_MIPS_ARC_TOTAL_MODULE_SIZE,
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.decompressor_compressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_COMPRESSED_SIZE,
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.decompressor_uncompressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_SIZE,
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@@ -1522,12 +1521,10 @@ generate_image (const char *dir, const char *prefix,
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program_size = ALIGN_ADDR (core_size);
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if (comp == COMPRESSION_NONE)
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- target_addr = (image_target->link_addr
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- - total_module_size - decompress_size);
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+ target_addr = (image_target->link_addr - decompress_size);
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else
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- target_addr = (image_target->link_addr
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- - ALIGN_UP(total_module_size + core_size, 1048576)
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- - (1 << 20));
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+ target_addr = ALIGN_UP (image_target->link_addr
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+ + kernel_size + total_module_size, 32);
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ecoff_img = xmalloc (program_size + sizeof (*head) + sizeof (*section));
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grub_memset (ecoff_img, 0, program_size + sizeof (*head) + sizeof (*section));
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--
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1.8.1.4
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