From a9473ecbb142d07e95b120dbab6e9e50017f1e55 Mon Sep 17 00:00:00 2001 From: Elyes HAOUAS Date: Wed, 24 Oct 2018 15:55:53 +0200 Subject: src: Replace common MSR addresses with macros Change-Id: I9fba67be12483ea5e12ccd34c648735d409bc8b0 Signed-off-by: Elyes HAOUAS Reviewed-on: https://review.coreboot.org/29252 Tested-by: build bot (Jenkins) Reviewed-by: Richard Spiegel --- src/cpu/amd/microcode/microcode.c | 2 +- src/cpu/x86/lapic/boot_cpu.c | 3 ++- src/cpu/x86/smm/smmhandler.S | 6 ++---- 3 files changed, 5 insertions(+), 6 deletions(-) (limited to 'src/cpu') diff --git a/src/cpu/amd/microcode/microcode.c b/src/cpu/amd/microcode/microcode.c index 29a550d529..e8ab17518b 100644 --- a/src/cpu/amd/microcode/microcode.c +++ b/src/cpu/amd/microcode/microcode.c @@ -127,7 +127,7 @@ static void apply_microcode_patch(const struct microcode *m) UCODE_DEBUG("patch id to apply = 0x%08x\n", m->patch_id); /* read the patch_id again */ - msr = rdmsr(0x8b); + msr = rdmsr(IA32_BIOS_SIGN_ID); new_patch_id = msr.lo; UCODE_DEBUG("updated to patch id = 0x%08x %s\n", new_patch_id, diff --git a/src/cpu/x86/lapic/boot_cpu.c b/src/cpu/x86/lapic/boot_cpu.c index 7ba21fe90c..4654086114 100644 --- a/src/cpu/x86/lapic/boot_cpu.c +++ b/src/cpu/x86/lapic/boot_cpu.c @@ -13,13 +13,14 @@ #include #include +#include #if IS_ENABLED(CONFIG_SMP) int boot_cpu(void) { int bsp; msr_t msr; - msr = rdmsr(0x1b); + msr = rdmsr(LAPIC_BASE_MSR); bsp = !!(msr.lo & (1 << 8)); return bsp; } diff --git a/src/cpu/x86/smm/smmhandler.S b/src/cpu/x86/smm/smmhandler.S index 98d67d3c3c..0989e891e2 100644 --- a/src/cpu/x86/smm/smmhandler.S +++ b/src/cpu/x86/smm/smmhandler.S @@ -21,7 +21,7 @@ * to 64k if we can though. */ -#define LAPIC_BASE_MSR 0x1b +#include /* * +--------------------------------+ 0xaffff @@ -49,8 +49,6 @@ * */ -#define LAPIC_ID 0xfee00020 - /* SMM_HANDLER_OFFSET is the 16bit offset within the ASEG * at which smm_handler_start lives. At the moment the handler * lives right at 0xa0000, so the offset is 0. @@ -134,7 +132,7 @@ untampered_lapic: movw %ax, %gs /* Get this CPU's LAPIC ID */ - movl $LAPIC_ID, %esi + movl $(LOCAL_APIC_ADDR | LAPIC_ID), %esi movl (%esi), %ecx shr $24, %ecx -- cgit v1.2.3