diff options
Diffstat (limited to 'src/cpu/amd')
| -rw-r--r-- | src/cpu/amd/model_10xxx/ram_calc.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/cpu/amd/model_10xxx/ram_calc.c b/src/cpu/amd/model_10xxx/ram_calc.c index c37c0ce41d..c17b85ada8 100644 --- a/src/cpu/amd/model_10xxx/ram_calc.c +++ b/src/cpu/amd/model_10xxx/ram_calc.c @@ -22,6 +22,8 @@ #include <cpu/x86/msr.h> #include <cpu/amd/mtrr.h> +#include <cbmem.h> + #include "ram_calc.h" uint64_t get_uma_memory_size(uint64_t topmem) @@ -41,3 +43,10 @@ uint64_t get_uma_memory_size(uint64_t topmem) return uma_size; } + +void *cbmem_top(void) +{ + uint32_t topmem = rdmsr(TOP_MEM).lo; + + return (void *) topmem - get_uma_memory_size(topmem); +} |