I implemented the consensus method of only replacing the magic numbers with constants instead of pulling the lists into assembler macros in mtrr.h. How does this one look to everyone?
Comments? Acks? Thanks, wt 8<--------------------------------- Macros for the register addresses for the MTRR MSRs are already defined in include/cpu/x86/car.h. This patch uses those macros instead of creating a second instance of that same data. I also added a few macros to the amd mtrr.h to make the MSR naming more consistent. Signed-off-by: Warren Turkal <[email protected]> --- src/cpu/amd/car/cache_as_ram.inc | 59 +++++++++++++++++++++++++---------- src/cpu/intel/car/cache_as_ram.inc | 45 ++++++++++++++++++++------- src/cpu/via/car/cache_as_ram.inc | 43 +++++++++++++++++++------- src/include/cpu/amd/mtrr.h | 13 ++++---- 4 files changed, 114 insertions(+), 46 deletions(-) diff --git a/src/cpu/amd/car/cache_as_ram.inc b/src/cpu/amd/car/cache_as_ram.inc index 5318272..5a19a0c 100644 --- a/src/cpu/amd/car/cache_as_ram.inc +++ b/src/cpu/amd/car/cache_as_ram.inc @@ -155,7 +155,7 @@ enable_fixed_mtrr_dram_modify: /* Clear all MTRRs. */ xorl %edx, %edx - movl $fixed_mtrr_msr, %esi + movl $all_mtrr_msrs, %esi clear_fixed_var_mtrr: lodsl (%esi), %eax @@ -396,23 +396,48 @@ CAR_FAM10_ap_out: post_code(0xaf) /* Should never see this POST code. */ -fixed_mtrr_msr: - .long 0x250, 0x258, 0x259 - .long 0x268, 0x269, 0x26A - .long 0x26B, 0x26C, 0x26D - .long 0x26E, 0x26F +all_mtrr_msrs: + /* fixed MTRR MSRs */ + .long MTRRfix64K_00000_MSR + .long MTRRfix16K_80000_MSR + .long MTRRfix16K_A0000_MSR + .long MTRRfix4K_C0000_MSR + .long MTRRfix4K_C8000_MSR + .long MTRRfix4K_D0000_MSR + .long MTRRfix4K_D8000_MSR + .long MTRRfix4K_E0000_MSR + .long MTRRfix4K_E8000_MSR + .long MTRRfix4K_F0000_MSR + .long MTRRfix4K_F8000_MSR + + /* var MTRR MSRs */ + .long MTRRphysBase_MSR(0) + .long MTRRphysMask_MSR(0) + .long MTRRphysBase_MSR(1) + .long MTRRphysMask_MSR(1) + .long MTRRphysBase_MSR(2) + .long MTRRphysMask_MSR(2) + .long MTRRphysBase_MSR(3) + .long MTRRphysMask_MSR(3) + .long MTRRphysBase_MSR(4) + .long MTRRphysMask_MSR(4) + .long MTRRphysBase_MSR(5) + .long MTRRphysMask_MSR(5) + .long MTRRphysBase_MSR(6) + .long MTRRphysMask_MSR(6) + .long MTRRphysBase_MSR(7) + .long MTRRphysMask_MSR(7) + + /* Variable IORR MTRR MSRs */ + .long IORRBase_MSR(0) + .long IORRMask_MSR(0) + .long IORRBase_MSR(1) + .long IORRMask_MSR(1) + + /* Top of memory MTRR MSRs */ + .long TOP_MEM_MSR + .long TOP_MEM2_MSR -var_mtrr_msr: - .long 0x200, 0x201, 0x202, 0x203 - .long 0x204, 0x205, 0x206, 0x207 - .long 0x208, 0x209, 0x20A, 0x20B - .long 0x20C, 0x20D, 0x20E, 0x20F - -var_iorr_msr: - .long 0xC0010016, 0xC0010017, 0xC0010018, 0xC0010019 - -mem_top: - .long 0xC001001A, 0xC001001D .long 0x000 /* NULL, end of table */ cache_as_ram_setup_out: diff --git a/src/cpu/intel/car/cache_as_ram.inc b/src/cpu/intel/car/cache_as_ram.inc index d8465f4..e228f4c 100644 --- a/src/cpu/intel/car/cache_as_ram.inc +++ b/src/cpu/intel/car/cache_as_ram.inc @@ -115,7 +115,7 @@ NotHtProcessor: /* Clear all MTRRs. */ xorl %edx, %edx - movl $fixed_mtrr_msr, %esi + movl $all_mtrr_msrs, %esi clear_fixed_var_mtrr: lodsl (%esi), %eax @@ -128,17 +128,38 @@ clear_fixed_var_mtrr: jmp clear_fixed_var_mtrr -fixed_mtrr_msr: - .long 0x250, 0x258, 0x259 - .long 0x268, 0x269, 0x26A - .long 0x26B, 0x26C, 0x26D - .long 0x26E, 0x26F - -var_mtrr_msr: - .long 0x200, 0x201, 0x202, 0x203 - .long 0x204, 0x205, 0x206, 0x207 - .long 0x208, 0x209, 0x20A, 0x20B - .long 0x20C, 0x20D, 0x20E, 0x20F +all_mtrr_msrs: + /* fixed MTRR MSRs */ + .long MTRRfix64K_00000_MSR + .long MTRRfix16K_80000_MSR + .long MTRRfix16K_A0000_MSR + .long MTRRfix4K_C0000_MSR + .long MTRRfix4K_C8000_MSR + .long MTRRfix4K_D0000_MSR + .long MTRRfix4K_D8000_MSR + .long MTRRfix4K_E0000_MSR + .long MTRRfix4K_E8000_MSR + .long MTRRfix4K_F0000_MSR + .long MTRRfix4K_F8000_MSR + + /* var MTRR MSRs */ + .long MTRRphysBase_MSR(0) + .long MTRRphysMask_MSR(0) + .long MTRRphysBase_MSR(1) + .long MTRRphysMask_MSR(1) + .long MTRRphysBase_MSR(2) + .long MTRRphysMask_MSR(2) + .long MTRRphysBase_MSR(3) + .long MTRRphysMask_MSR(3) + .long MTRRphysBase_MSR(4) + .long MTRRphysMask_MSR(4) + .long MTRRphysBase_MSR(5) + .long MTRRphysMask_MSR(5) + .long MTRRphysBase_MSR(6) + .long MTRRphysMask_MSR(6) + .long MTRRphysBase_MSR(7) + .long MTRRphysMask_MSR(7) + .long 0x000 /* NULL, end of table */ clear_fixed_var_mtrr_out: diff --git a/src/cpu/via/car/cache_as_ram.inc b/src/cpu/via/car/cache_as_ram.inc index d6df4a9..1f0bed2 100644 --- a/src/cpu/via/car/cache_as_ram.inc +++ b/src/cpu/via/car/cache_as_ram.inc @@ -47,7 +47,7 @@ CacheAsRam: /* Clear all MTRRs. */ xorl %edx, %edx - movl $fixed_mtrr_msr, %esi + movl $all_mtrr_msrs, %esi clear_fixed_var_mtrr: lodsl (%esi), %eax @@ -60,17 +60,38 @@ clear_fixed_var_mtrr: jmp clear_fixed_var_mtrr -fixed_mtrr_msr: - .long 0x250, 0x258, 0x259 - .long 0x268, 0x269, 0x26A - .long 0x26B, 0x26C, 0x26D - .long 0x26E, 0x26F - -var_mtrr_msr: - .long 0x200, 0x201, 0x202, 0x203 - .long 0x204, 0x205, 0x206, 0x207 - .long 0x208, 0x209, 0x20A, 0x20B - .long 0x20C, 0x20D, 0x20E, 0x20F +all_mtrr_msrs: + /* fixed MTRR MSRs */ + .long MTRRfix64K_00000_MSR + .long MTRRfix16K_80000_MSR + .long MTRRfix16K_A0000_MSR + .long MTRRfix4K_C0000_MSR + .long MTRRfix4K_C8000_MSR + .long MTRRfix4K_D0000_MSR + .long MTRRfix4K_D8000_MSR + .long MTRRfix4K_E0000_MSR + .long MTRRfix4K_E8000_MSR + .long MTRRfix4K_F0000_MSR + .long MTRRfix4K_F8000_MSR + + /* var MTRR MSRs */ + .long MTRRphysBase_MSR(0) + .long MTRRphysMask_MSR(0) + .long MTRRphysBase_MSR(1) + .long MTRRphysMask_MSR(1) + .long MTRRphysBase_MSR(2) + .long MTRRphysMask_MSR(2) + .long MTRRphysBase_MSR(3) + .long MTRRphysMask_MSR(3) + .long MTRRphysBase_MSR(4) + .long MTRRphysMask_MSR(4) + .long MTRRphysBase_MSR(5) + .long MTRRphysMask_MSR(5) + .long MTRRphysBase_MSR(6) + .long MTRRphysMask_MSR(6) + .long MTRRphysBase_MSR(7) + .long MTRRphysMask_MSR(7) + .long 0x000 /* NULL, end of table */ clear_fixed_var_mtrr_out: diff --git a/src/include/cpu/amd/mtrr.h b/src/include/cpu/amd/mtrr.h index c7b3fca..e866fb9 100644 --- a/src/include/cpu/amd/mtrr.h +++ b/src/include/cpu/amd/mtrr.h @@ -21,12 +21,13 @@ #define SYSCFG_MSR_SysVicLimitMask ((1 << 8) - (1 << 5)) #define SYSCFG_MSR_SysAckLimitMask ((1 << 5) - (1 << 0)) -#define IORR0_BASE 0xC0010016 -#define IORR0_MASK 0xC0010017 -#define IORR1_BASE 0xC0010018 -#define IORR1_MASK 0xC0010019 -#define TOP_MEM 0xC001001A -#define TOP_MEM2 0xC001001D +#define IORRBase_MSR(reg) (0xC0010016 + 2 * (reg)) +#define IORRMask_MSR(reg) (0xC0010016 + 2 * (reg) + 1) + +#define TOP_MEM_MSR 0xC001001A +#define TOP_MEM2_MSR 0xC001001D +#define TOP_MEM TOP_MEM_MSR +#define TOP_MEM2 TOP_MEM2_MSR #define TOP_MEM_MASK 0x007fffff #define TOP_MEM_MASK_KB (TOP_MEM_MASK >> 10) -- 1.7.1 -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
