Patrick Rudolph has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/45699 )
Change subject: ironlake: Add support for x86_64 ......................................................................
ironlake: Add support for x86_64
Allow to compile the experimental x86_64 code.
Tested on Lenovo Thinkpad T410. Works without issues.
Change-Id: I60f2fccba357cb5fb5d85feb4ee8d02abfe6bc7e Signed-off-by: Patrick Rudolph patrick.rudolph@9elements.com --- M src/cpu/intel/microcode/microcode_asm.S M src/cpu/intel/model_2065x/Kconfig M src/cpu/x86/early_reset.S 3 files changed, 14 insertions(+), 4 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/99/45699/1
diff --git a/src/cpu/intel/microcode/microcode_asm.S b/src/cpu/intel/microcode/microcode_asm.S index f02351a..5a8b907 100644 --- a/src/cpu/intel/microcode/microcode_asm.S +++ b/src/cpu/intel/microcode/microcode_asm.S @@ -45,6 +45,7 @@
.section .text .global update_bsp_microcode +.code32
update_bsp_microcode: /* Keep return address */ diff --git a/src/cpu/intel/model_2065x/Kconfig b/src/cpu/intel/model_2065x/Kconfig index 78cac30..19eeab0 100644 --- a/src/cpu/intel/model_2065x/Kconfig +++ b/src/cpu/intel/model_2065x/Kconfig @@ -3,12 +3,20 @@
if CPU_INTEL_MODEL_2065X
+config ARCH_EXP_X86_64 + bool "Experimental 64bit support" + default n + config CPU_SPECIFIC_OPTIONS def_bool y - select ARCH_BOOTBLOCK_X86_32 - select ARCH_VERSTAGE_X86_32 - select ARCH_ROMSTAGE_X86_32 - select ARCH_RAMSTAGE_X86_32 + select ARCH_BOOTBLOCK_X86_32 if !ARCH_EXP_X86_64 + select ARCH_VERSTAGE_X86_32 if !ARCH_EXP_X86_64 + select ARCH_ROMSTAGE_X86_32 if !ARCH_EXP_X86_64 + select ARCH_RAMSTAGE_X86_32 if !ARCH_EXP_X86_64 + select ARCH_BOOTBLOCK_X86_64 if ARCH_EXP_X86_64 + select ARCH_VERSTAGE_X86_64 if ARCH_EXP_X86_64 + select ARCH_ROMSTAGE_X86_64 if ARCH_EXP_X86_64 + select ARCH_RAMSTAGE_X86_64 if ARCH_EXP_X86_64 select SSE2 select UDELAY_TSC select TSC_MONOTONIC_TIMER diff --git a/src/cpu/x86/early_reset.S b/src/cpu/x86/early_reset.S index 6ce9d52..c6d0703 100644 --- a/src/cpu/x86/early_reset.S +++ b/src/cpu/x86/early_reset.S @@ -9,6 +9,7 @@
.section .text .global check_mtrr +.code32
check_mtrr: /* Use the MTRR default type MSR as a proxy for detecting INIT#.