First Hello world syscall

2026-01-03 02:04:09 +01:00
parent 1341dc00d9
commit e52268cd8e
26 changed files with 228 additions and 140 deletions
--- a/kernel/amd64/sched.S
+++ b/kernel/amd64/sched.S
@@ -1,30 +1,10 @@
-#define pop_regs \
-  popq %r15; \
-  popq %r14; \
-  popq %r13; \
-  popq %r12; \
-  popq %r11; \
-  popq %r10; \
-  popq %r9; \
-  popq %r8; \
-  popq %rbx; \
-  popq %rbp; \
-  popq %rdi; \
-  popq %rsi; \
-  popq %rdx; \
-  popq %rcx; \
-  popq %rax;
+#include <amd64/regsasm.h>

 .global amd64_do_sched
 amd64_do_sched:
+  cli
  movq %rsi, %cr3
  movq %rdi, %rsp
  pop_regs
-
-  movq 144(%rsp), %rax
-  testb $3, %al
-  jz 1f
-  swapgs
-1:
  add $16, %rsp
  iretq