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x86: Update mtrr command to support 64-bit values

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The MTRR registers have 64-bit values. Update the command to use 64-bit
values so that memory larger than 4GB can be handled.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2025-03-06 09:03:50 -07:00
parent 70001544fe
commit 2983ab4cb1
1 changed files with 3 additions and 3 deletions
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6
cmd/x86/mtrr.c
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@@ -13,7 +13,7 @@
static int do_mtrr_set(int cpu_select, uint reg, int argc, char *const argv[]) static int do_mtrr_set(int cpu_select, uint reg, int argc, char *const argv[])
{ {
const char *typename = argv[0]; const char *typename = argv[0];
uint32_t start, size; u64 start, size;
u64 base, mask; u64 base, mask;
int type = -1; int type = -1;
bool valid; bool valid;
@@ -26,8 +26,8 @@ static int do_mtrr_set(int cpu_select, uint reg, int argc, char *const argv[])
printf("Invalid type name %s\n", typename); printf("Invalid type name %s\n", typename);
return CMD_RET_USAGE; return CMD_RET_USAGE;
} }
start = hextoul(argv[1], NULL); start = hextoull(argv[1], NULL);
size = hextoul(argv[2], NULL); size = hextoull(argv[2], NULL);
base = start | type; base = start | type;
valid = native_read_msr(MTRR_PHYS_MASK_MSR(reg)) & MTRR_PHYS_MASK_VALID; valid = native_read_msr(MTRR_PHYS_MASK_MSR(reg)) & MTRR_PHYS_MASK_VALID;