diff options
| author | Marvin Borner | 2019-12-21 12:25:14 +0100 |
|---|---|---|
| committer | Marvin Borner | 2019-12-21 12:25:14 +0100 |
| commit | 38610cd06dc0b5a3a4ee46f5fe7c341191aa2bc1 (patch) | |
| tree | 759378766ee6b22d72a0f2fded1b0dd530376a6e /src/kernel/boot.asm | |
| parent | 07530dd08e0b29573712b54543a7fc42672bb34b (diff) | |
Some userspace improvements
GAS is bad, NASM is awesome.
Diffstat (limited to 'src/kernel/boot.asm')
| -rw-r--r-- | src/kernel/boot.asm | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/kernel/boot.asm b/src/kernel/boot.asm index 8241786..2180069 100644 --- a/src/kernel/boot.asm +++ b/src/kernel/boot.asm @@ -38,7 +38,10 @@ section .text global jump_userspace jump_userspace: - mov ebx, dword [esp+4] + push ebp + mov ebp, esp + mov edx, DWORD[ebp + 0xC] + mov esp, edx mov ax, 0x23 mov ds, ax @@ -56,8 +59,8 @@ section .text push eax push 0x1B - push ebx - mov ebp, ebx + push DWORD[ebp + 0x8] + iret pop ebp ret |