AMD K6-2 onwards: EFER write GPF is now correctly on bits 5 onwards, not on bits 1 onwards.

2024-10-01 09:56:40 +02:00
parent 1e84b46a5d
commit 8899b1411b
1 changed files with 1 additions and 1 deletions
--- a/src/cpu/cpu.c
+++ b/src/cpu/cpu.c
@@ -3705,7 +3705,7 @@ cpu_WRMSR(void)
                /* Extended Feature Enable Register */
                case 0xc0000080:
                    temp = EAX | ((uint64_t) EDX << 32);
-                    if (temp & ~1ULL)
+                    if (temp & ~0x1fULL)
                        x86gpf(NULL, 0);
                    else
                        msr.amd_efer = temp;