SMP and timer interrupts

2025-12-23 19:50:37 +01:00
parent 259aa732c8
commit c16170e4c2
31 changed files with 1766 additions and 88 deletions
--- a/kernel/amd64/intr_stub.S
+++ b/kernel/amd64/intr_stub.S
@@ -1,8 +1,5 @@
 .extern amd64_intr_handler

-dupa:
-  jmp dupa
-
 #define err(z) \
  pushq $z;

@@ -36,7 +33,7 @@ dupa:
  popq %r10; \
  popq %r9; \
  popq %r8; \
-  pushq %rbx; \
+  popq %rbx; \
  popq %rbp; \
  popq %rdi; \
  popq %rsi; \
@@ -52,9 +49,12 @@ dupa:
  push_regs; \
  cld; \
  movq %rsp, %rdi; \
+  movq %rsp, %rax; \
+  subq $8, %rsp; \
  andq $~0xF, %rsp; \
+  movq %rax, (%rsp); \
  callq amd64_intr_handler; \
-  movq %rdi, %rsp; \
+  movq (%rsp), %rsp; \
  pop_regs; \
  addq $16, %rsp; \
  iretq;