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| author | Lizzy Fleckenstein <lizzy@vlhl.dev> | 2023-12-19 01:54:39 +0100 |
|---|---|---|
| committer | Lizzy Fleckenstein <lizzy@vlhl.dev> | 2023-12-19 02:11:32 +0100 |
| commit | 6d263c7d4e0f4b1d34694b5d3d159ccb20b3db02 (patch) | |
| tree | 41578268cf68b2d9ea1737687a0f98af979948d8 /stage3/yield.asm | |
| parent | 5881b4d5c1040c762599f90e091e4cc4c3abe6b1 (diff) | |
| download | cuddles-6d263c7d4e0f4b1d34694b5d3d159ccb20b3db02.tar.xz | |
keyboard driver and threads
* PS/2 keyboard driver
* interactive shell
* move away from \0 terminated strings to sized slices
* coroutine threads and IRQ queues
Diffstat (limited to 'stage3/yield.asm')
| -rw-r--r-- | stage3/yield.asm | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/stage3/yield.asm b/stage3/yield.asm new file mode 100644 index 0000000..c078f16 --- /dev/null +++ b/stage3/yield.asm @@ -0,0 +1,45 @@ +extern thread_sched, thread_sched_stack +global yield, resume + +extern print_num, halt + +yield: + ; push rip (done using call) + push rbx + push rbp + push rdi + push rsi + push r12 + push r13 + push r14 + push r15 + + cld + ; mov rdi, rdi + mov rsi, rsp + mov rsp, [thread_sched_stack] + jmp thread_sched + +; stack in rdi +; return in rsi +resume: + mov rsp, rdi + mov rax, rsi + + pop r15 + pop r14 + pop r13 + pop r12 + pop rsi + pop rdi + pop rbp + pop rbx + + ;mov rdi, [rsp] + ;mov rsi, 16 + ;mov rdx, 0 + ;call print_num + ;cli + ;call halt + + ret ; pop rip |