diff options
| author | Miguel <m.i@gmx.at> | 2018-08-21 01:20:42 +0200 |
|---|---|---|
| committer | Miguel <m.i@gmx.at> | 2018-08-21 01:20:42 +0200 |
| commit | 690403fc51ecb51689cb72f224fccc0d301b7f7d (patch) | |
| tree | 44b6a93d95ac04461d02a9c411cbe5e3f4431ce4 /asm/int_clock_handler.asm | |
| parent | 1963dbcd92c15094c99d2f900e4812611b6af733 (diff) | |
cleanup timer stuff and move to asm.
Diffstat (limited to 'asm/int_clock_handler.asm')
| -rw-r--r-- | asm/int_clock_handler.asm | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/asm/int_clock_handler.asm b/asm/int_clock_handler.asm deleted file mode 100644 index f6c056a..0000000 --- a/asm/int_clock_handler.asm +++ /dev/null @@ -1,23 +0,0 @@ -global int_clock_handler -[extern task_switch_next] - -[bits 32] - -int_clock_handler: - -pusha ;Push all standard registers - -mov eax, esp ;save current stack pointer in esp -mov esp, 0x7000 ;now put the stack outside of virtual memory in kernel space! - -push eax ;Push pointer to all the stuff we just pushed -call task_switch_next ;Call C code - -mov esp, eax ;Replace the stack with what the C code gave us - -mov al, 0x20 ;Port number AND command number to Acknowledge IRQ -out 0x20, al ;Acknowledge IRQ, so we keep getting interrupts - -popa ;Put the standard registers back - -iretd ;Interrupt-Return |