diff options
author | Patrick Rudolph <siro@das-labor.org> | 2019-10-25 08:09:33 +0200 |
---|---|---|
committer | Aaron Durbin <adurbin@chromium.org> | 2019-10-29 19:41:19 +0000 |
commit | 776da0872efcc58543afbe32fc55202521ef0014 (patch) | |
tree | 8c7d4a952693a77634267779293a2458e51fdd84 /src/cpu/x86/sipi_vector.S | |
parent | 5f2576089fca9b5b7c00d1dde1223d80fe9c9e2f (diff) |
arch/x86/*.S: use defines instead of hardcoded values
As preparation for x86_64 clean the assembly code and introduce
arch/ram_segs.h similar to existing arch/rom_segs.h.
Replace open coded segment values with the defines from the new
header.
Change-Id: Ib006cd4df59951335506b8153e9347450ec3403e
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36321
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/cpu/x86/sipi_vector.S')
-rw-r--r-- | src/cpu/x86/sipi_vector.S | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/src/cpu/x86/sipi_vector.S b/src/cpu/x86/sipi_vector.S index edc1e779be..f75a1c9815 100644 --- a/src/cpu/x86/sipi_vector.S +++ b/src/cpu/x86/sipi_vector.S @@ -15,15 +15,12 @@ #include <cpu/x86/cr.h> #include <cpu/amd/mtrr.h> #include <cpu/x86/msr.h> +#include <arch/ram_segs.h> /* The SIPI vector is responsible for initializing the APs in the system. It * loads microcode, sets up MSRs, and enables caching before calling into * C code. */ -/* These segment selectors need to match the gdt entries in c_start.S. */ -#define CODE_SEG 0x10 -#define DATA_SEG 0x18 - .section ".module_parameters", "aw", @progbits ap_start_params: gdtaddr: @@ -83,10 +80,10 @@ _start: orl $CR0_SET_FLAGS, %eax movl %eax, %cr0 - ljmpl $CODE_SEG, $1f + ljmpl $RAM_CODE_SEG, $1f 1: .code32 - movw $DATA_SEG, %ax + movw $RAM_DATA_SEG, %ax movw %ax, %ds movw %ax, %es movw %ax, %ss |