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Diffstat (limited to 'kernel/src/cpu/tss.c')
-rw-r--r--kernel/src/cpu/tss.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/src/cpu/tss.c b/kernel/src/cpu/tss.c
index 0dfa18e..d2c16d3 100644
--- a/kernel/src/cpu/tss.c
+++ b/kernel/src/cpu/tss.c
@@ -12,9 +12,10 @@ void load_tss()
void init_tss()
{
+ memset(&tss, 0, sizeof(tss_type));
tss.iopb = sizeof(tss_type);
- uint64_t stack = (uint64_t)kalloc(4096*4);
- stack = (uint64_t)kalloc(4096*4) + 8;
+ uint32_t stack_size = 4096*4;
+ uint64_t stack = (uint64_t)kalloc(stack_size) + stack_size - 8;
tss.rsp0_low = (uint32_t)stack;
tss.rsp0_high = (uint32_t)(stack >> 32);