diff options
| author | dzwdz | 2023-09-15 00:29:11 +0200 |
|---|---|---|
| committer | dzwdz | 2023-09-15 00:29:11 +0200 |
| commit | 458978e7b8a6d50566fc8b68558f76f6b0465c52 (patch) | |
| tree | 0b2decb03e5f07fa790d7add0fc16679472012de /src/kernel/arch/amd64/sysenter.s | |
| parent | 8757321821d05d2958160e1428250daf19c119e9 (diff) | |
kern: fix GDT order for 64bit sysret
Diffstat (limited to 'src/kernel/arch/amd64/sysenter.s')
| -rw-r--r-- | src/kernel/arch/amd64/sysenter.s | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/kernel/arch/amd64/sysenter.s b/src/kernel/arch/amd64/sysenter.s index 6b6d684..c1af69f 100644 --- a/src/kernel/arch/amd64/sysenter.s +++ b/src/kernel/arch/amd64/sysenter.s @@ -1,6 +1,6 @@ // gdt.h .set SEG_r0code, 1 -.set SEG_r3code, 3 +.set SEG_r3code32, 3 .set SEG_r3data, 4 .set IA32_STAR, 0xC0000081 @@ -15,7 +15,7 @@ sysenter_setup: // the intel docs don't mention the lower 32 bits mov $0, %eax - mov $( ((SEG_r3code << 3 | 3) << 16) | (SEG_r0code << 3) ), %edx + mov $( ((SEG_r3code32 << 3 | 3) << 16) | (SEG_r0code << 3) ), %edx mov $IA32_STAR, %rcx wrmsr |