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-rw-r--r--sys/arch/amd64/tss.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/sys/arch/amd64/tss.c b/sys/arch/amd64/tss.c
index 3463291..ba1b0f6 100644
--- a/sys/arch/amd64/tss.c
+++ b/sys/arch/amd64/tss.c
@@ -70,13 +70,15 @@ write_tss(struct cpu_info *cpu, struct tss_desc *desc)
* to decide how to use it... As of now, it is useless
* to us and shall remain 0.
*/
+ desc->seglimit = sizeof(struct tss_entry);
desc->p = 1; /* Must be present to be valid! */
desc->g = 0; /* Granularity -> 0 */
desc->avl = 0; /* Not used */
desc->dpl = 0; /* Descriptor Privilege Level -> 0 */
desc->type = 0x9; /* For TSS -> 0x9 (0b1001) */
- desc->base_lo16 = __SHIFTOUT(tss_base, __MASK(16));
- desc->base_mid24 = __SHIFTOUT(tss_base, __MASK(8) << 24);
- desc->base_mid32 = __SHIFTOUT(tss_base, __MASK(32) << 32);
+ desc->base_lo16 = __SHIFTOUT(tss_base, __MASK(16));
+ desc->base_mid8 = __SHIFTOUT(tss_base, __MASK(8) << 16);
+ desc->base_hi_mid8 = __SHIFTOUT(tss_base, __MASK(8) << 24);
+ desc->base_hi32 = __SHIFTOUT(tss_base, __MASK(32) << 32);
}