fix: corner case for x87 context restore on execve

[lunaix-os.git] / lunaix-os / kernel / asm / x86 / interrupts.c

diff --git a/lunaix-os/kernel/asm/x86/interrupts.c b/lunaix-os/kernel/asm/x86/interrupts.c
index b4a443f10376812bd94cb3abb4051fe090b1ee08..9f86cf25c480355f836c2568695a08478ca7af52 100644 (file)
--- a/lunaix-os/kernel/asm/x86/interrupts.c
+++ b/lunaix-os/kernel/asm/x86/interrupts.c
@@ -19,9 +19,10 @@ extern x86_page_table* __kernel_ptd;
 void
 intr_handler(isr_param* param)
 {
 void
 intr_handler(isr_param* param)
 {

-    __current->intr_ctx = *param;
+    param->execp->saved_prev_ctx = __current->intr_ctx;
+    __current->intr_ctx = param;

 
 

-    struct exec_param* execp = __current->intr_ctx.execp;
+    volatile struct exec_param* execp = __current->intr_ctx->execp;

 
     if (execp->vector <= 255) {
         isr_cb subscriber = isrm_get(execp->vector);
 
     if (execp->vector <= 255) {
         isr_cb subscriber = isrm_get(execp->vector);