diff options
| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2020-11-22 00:55:31 +0200 |
|---|---|---|
| committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2021-01-28 08:53:07 +0000 |
| commit | 47d58e5df0a5d1a96e64408c3c9384024d5ddaa3 (patch) | |
| tree | bdb073336a4fccb1b39fc8aebdc2d2726ec9d7aa | |
| parent | 404c0c455c4f9ae3b1c40f8fbe8328349b6b547d (diff) | |
cpu/x86: Link entry32.inc
Change-Id: Ib475f40f950f8cc54f0e3c50a80970ba3d2b628f
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47969
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
| -rw-r--r-- | src/arch/x86/Makefile.inc | 2 | ||||
| -rw-r--r-- | src/cpu/x86/32bit/entry32.inc | 33 | ||||
| -rw-r--r-- | src/cpu/x86/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/cpu/x86/entry32.S (renamed from src/arch/x86/bootblock_crt0.S) | 32 |
4 files changed, 30 insertions, 38 deletions
diff --git a/src/arch/x86/Makefile.inc b/src/arch/x86/Makefile.inc index cfefec605f..7dea2ce906 100644 --- a/src/arch/x86/Makefile.inc +++ b/src/arch/x86/Makefile.inc @@ -85,8 +85,6 @@ bootblock-$(CONFIG_HAVE_CF9_RESET) += cf9_reset.c $(call src-to-obj,bootblock,$(dir)/id.S): $(obj)/build.h -bootblock-y += bootblock_crt0.S - ifeq ($(CONFIG_ARCH_BOOTBLOCK_X86_32),y) $(eval $(call early_x86_stage,bootblock,elf32-i386)) else diff --git a/src/cpu/x86/32bit/entry32.inc b/src/cpu/x86/32bit/entry32.inc deleted file mode 100644 index b28fa2f37e..0000000000 --- a/src/cpu/x86/32bit/entry32.inc +++ /dev/null @@ -1,33 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ - -/* For starting coreboot in protected mode */ - -#include <arch/rom_segs.h> -#include <cpu/x86/post_code.h> - - .code32 -/* - * When we come here we are in protected mode. - * NOTE aligned to 4 so that we are sure that the prefetch - * cache will be reloaded. - */ - .align 4 - -.globl __protected_start -__protected_start: - /* Save the BIST value */ - movl %eax, %ebp - -#if !CONFIG(NO_EARLY_BOOTBLOCK_POSTCODES) - post_code(POST_ENTER_PROTECTED_MODE) -#endif - - movw $ROM_DATA_SEG, %ax - movw %ax, %ds - movw %ax, %es - movw %ax, %ss - movw %ax, %fs - movw %ax, %gs - - /* Restore the BIST value to %eax */ - movl %ebp, %eax diff --git a/src/cpu/x86/Makefile.inc b/src/cpu/x86/Makefile.inc index 9112ddbe1b..f1d41bd1b4 100644 --- a/src/cpu/x86/Makefile.inc +++ b/src/cpu/x86/Makefile.inc @@ -8,6 +8,7 @@ ramstage-y += backup_default_smm.c subdirs-$(CONFIG_CPU_INTEL_COMMON_SMM) += ../intel/smm +bootblock-y += entry32.S bootblock-y += entry16.S bootblock-y += reset16.S diff --git a/src/arch/x86/bootblock_crt0.S b/src/cpu/x86/entry32.S index 16daed1b54..32f61ad261 100644 --- a/src/arch/x86/bootblock_crt0.S +++ b/src/cpu/x86/entry32.S @@ -1,4 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ + +/* For starting coreboot in protected mode */ + /* * This is the modern bootblock. It prepares the system for C environment runtime * setup. The actual setup is done by hardware-specific code. @@ -8,15 +11,38 @@ * */ +#include <arch/rom_segs.h> #include <cpu/x86/cr.h> +#include <cpu/x86/post_code.h> .section .init, "ax", @progbits + .code32 /* - * Include the old code for reset vector and protected mode entry. That code has - * withstood the test of time. + * When we come here we are in protected mode. + * NOTE aligned to 4 so that we are sure that the prefetch + * cache will be reloaded. */ -#include <cpu/x86/32bit/entry32.inc> + .align 4 + +.globl __protected_start +__protected_start: + /* Save the BIST value */ + movl %eax, %ebp + +#if !CONFIG(NO_EARLY_BOOTBLOCK_POSTCODES) + post_code(POST_ENTER_PROTECTED_MODE) +#endif + + movw $ROM_DATA_SEG, %ax + movw %ax, %ds + movw %ax, %es + movw %ax, %ss + movw %ax, %fs + movw %ax, %gs + + /* Restore the BIST value to %eax */ + movl %ebp, %eax #if CONFIG(BOOTBLOCK_DEBUG_SPINLOOP) |