diff options
Diffstat (limited to 'roms/seabios/src/mtrr.c')
| -rw-r--r-- | roms/seabios/src/mtrr.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/roms/seabios/src/mtrr.c b/roms/seabios/src/mtrr.c index 09578348c..2cbf23498 100644 --- a/roms/seabios/src/mtrr.c +++ b/roms/seabios/src/mtrr.c @@ -7,6 +7,7 @@ #include "util.h" // dprintf #include "config.h" // CONFIG_* #include "xen.h" // usingXen +#include "pci.h" // pcimem_start #define MSR_MTRRcap 0x000000fe #define MSR_MTRRfix64K_00000 0x00000250 @@ -94,9 +95,9 @@ void mtrr_setup(void) wrmsr_smp(MTRRphysMask_MSR(i), 0); } /* Mark 3.5-4GB as UC, anything not specified defaults to WB */ - wrmsr_smp(MTRRphysBase_MSR(0), BUILD_MAX_HIGHMEM | MTRR_MEMTYPE_UC); + wrmsr_smp(MTRRphysBase_MSR(0), pcimem_start | MTRR_MEMTYPE_UC); wrmsr_smp(MTRRphysMask_MSR(0) - , (-((1ull<<32)-BUILD_MAX_HIGHMEM) & phys_mask) | 0x800); + , (-((1ull<<32)-pcimem_start) & phys_mask) | 0x800); // Enable fixed and variable MTRRs; set default type. wrmsr_smp(MSR_MTRRdefType, 0xc00 | MTRR_MEMTYPE_WB); |