diff options
Diffstat (limited to 'src/cpu/x86')
| -rw-r--r-- | src/cpu/x86/mtrr/mtrr.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/src/cpu/x86/mtrr/mtrr.c b/src/cpu/x86/mtrr/mtrr.c index 794df9922b..8bdc511fd5 100644 --- a/src/cpu/x86/mtrr/mtrr.c +++ b/src/cpu/x86/mtrr/mtrr.c @@ -505,15 +505,15 @@ static void calc_var_mtrrs_with_hole(struct var_mtrr_state *var_state, a1 = range_entry_base_mtrr_addr(r); a2 = range_entry_end_mtrr_addr(r); - /* The end address is under 1MiB. The fixed MTRRs take + /* The end address is within the first 1MiB. The fixed MTRRs take * precedence over the variable ones. Therefore this range * can be ignored. */ - if (a2 < RANGE_1MB) + if (a2 <= RANGE_1MB) return; /* Again, the fixed MTRRs take precedence so the beginning - * of the range can be set to 0 if it starts below 1MiB. */ - if (a1 < RANGE_1MB) + * of the range can be set to 0 if it starts at or below 1MiB. */ + if (a1 <= RANGE_1MB) a1 = 0; /* If the range starts above 4GiB the processing is done. */ @@ -585,15 +585,15 @@ static void calc_var_mtrrs_without_hole(struct var_mtrr_state *var_state, a1 = range_entry_base_mtrr_addr(r); c2 = range_entry_end_mtrr_addr(r); - /* The end address is under 1MiB. The fixed MTRRs take + /* The end address is within the first 1MiB. The fixed MTRRs take * precedence over the variable ones. Therefore this range * can be ignored. */ - if (c2 < RANGE_1MB) + if (c2 <= RANGE_1MB) return; /* Again, the fixed MTRRs take precedence so the beginning - * of the range can be set to 0 if it starts below 1MiB. */ - if (a1 < RANGE_1MB) + * of the range can be set to 0 if it starts at or below 1MiB. */ + if (a1 <= RANGE_1MB) a1 = 0; /* If the range starts above 4GiB the processing is done. */ |