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authorKyösti Mälkki <kyosti.malkki@gmail.com>2020-07-02 21:48:38 +0300
committerPatrick Georgi <pgeorgi@google.com>2020-07-06 06:17:47 +0000
commit18a8ba41cc748c4c85fb2d9b0314dbc87c2003c1 (patch)
treef54881cde95e01ce3eedd9969bdcecd6008a8a7f /src/arch/x86
parent7c040adc8c5aa00fabd315296aff4e70d5f03f7e (diff)
arch/x86: Remove RELOCATABLE_RAMSTAGE
We always have it, no need to support opting-out. For PLATFORM_HAS_DRAM_CLEAR there is a dependency of ramstage located inside CBMEM, which is only true with ARCH_X86. Change-Id: I5cbf4063c69571db92de2d321c14d30c272e8098 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/43014 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Nico Huber <nico.h@gmx.de> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/arch/x86')
-rw-r--r--src/arch/x86/Makefile.inc5
-rw-r--r--src/arch/x86/gdt.c52
-rw-r--r--src/arch/x86/memlayout.ld3
3 files changed, 1 insertions, 59 deletions
diff --git a/src/arch/x86/Makefile.inc b/src/arch/x86/Makefile.inc
index b5352e7ab5..2adb294031 100644
--- a/src/arch/x86/Makefile.inc
+++ b/src/arch/x86/Makefile.inc
@@ -245,7 +245,6 @@ ramstage-y += cpu_common.c
ramstage-y += ebda.c
ramstage-y += exception.c
ramstage-y += idt.S
-ramstage-y += gdt.c
ramstage-$(CONFIG_IOAPIC) += ioapic.c
ramstage-y += memcpy.c
ramstage-y += memmove.c
@@ -291,14 +290,10 @@ endif
ramstage-libs ?=
-ifeq ($(CONFIG_RELOCATABLE_RAMSTAGE),y)
-
# The rmodule_link definition creates an elf file with .rmod extension.
$(objcbfs)/ramstage.elf: $(objcbfs)/ramstage.debug.rmod
cp $< $@
-endif
-
$(objcbfs)/ramstage.debug: $(objgenerated)/ramstage.o $(call src-to-obj,ramstage,$(CONFIG_MEMLAYOUT_LD_FILE))
@printf " CC $(subst $(obj)/,,$(@))\n"
$(LD_ramstage) $(CPPFLAGS) $(LDFLAGS_ramstage) -o $@ -L$(obj) $< -T $(call src-to-obj,ramstage,$(CONFIG_MEMLAYOUT_LD_FILE))
diff --git a/src/arch/x86/gdt.c b/src/arch/x86/gdt.c
deleted file mode 100644
index 9c855664cf..0000000000
--- a/src/arch/x86/gdt.c
+++ /dev/null
@@ -1,52 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-
-#include <types.h>
-#include <string.h>
-#include <cbmem.h>
-#include <commonlib/helpers.h>
-#include <console/console.h>
-#include <cpu/x86/gdt.h>
-
-/* i386 lgdt argument */
-struct gdtarg {
- u16 limit;
-#ifdef __x86_64__
- u64 base;
-#else
- u32 base;
-#endif
-} __packed;
-
-/*
- * Copy GDT to new location and reload it.
- * FIXME: We only do this for BSP CPU.
- */
-static void move_gdt(int is_recovery)
-{
- void *newgdt;
- u16 num_gdt_bytes;
- struct gdtarg gdtarg;
-
- /* ramstage is already in high memory. No need to use a new gdt. */
- if (CONFIG(RELOCATABLE_RAMSTAGE))
- return;
-
- newgdt = cbmem_find(CBMEM_ID_GDT);
- num_gdt_bytes = (uintptr_t)&gdt_end - (uintptr_t)&gdt;
- if (!newgdt) {
- newgdt = cbmem_add(CBMEM_ID_GDT, ALIGN_UP(num_gdt_bytes, 512));
- if (!newgdt) {
- printk(BIOS_ERR, "Error: Could not relocate GDT.\n");
- return;
- }
- memcpy((void *)newgdt, &gdt, num_gdt_bytes);
- }
- printk(BIOS_DEBUG, "Moving GDT to %p...", newgdt);
-
- gdtarg.base = (uintptr_t)newgdt;
- gdtarg.limit = num_gdt_bytes - 1;
-
- __asm__ __volatile__ ("lgdt %0\n\t" : : "m" (gdtarg));
- printk(BIOS_DEBUG, "ok\n");
-}
-RAMSTAGE_CBMEM_INIT_HOOK(move_gdt)
diff --git a/src/arch/x86/memlayout.ld b/src/arch/x86/memlayout.ld
index 12974ca09a..3659cc9f96 100644
--- a/src/arch/x86/memlayout.ld
+++ b/src/arch/x86/memlayout.ld
@@ -13,8 +13,7 @@ SECTIONS
* conditionalize with macros.
*/
#if ENV_RAMSTAGE
- RAMSTAGE(CONFIG_RAMBASE, (CONFIG(RELOCATABLE_RAMSTAGE) ? 8M :
- CONFIG_RAMTOP - CONFIG_RAMBASE))
+ RAMSTAGE(CONFIG_RAMBASE, 8M)
#elif ENV_ROMSTAGE
/* The 1M size is not allocated. It's just for basic size checking.