60 lines
1.2 KiB
C
60 lines
1.2 KiB
C
#include <stdint.h>
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#include <tasking.h>
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#include <sys/types.h>
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#include <sys/syscalls.h>
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#define QUAUX(X) #X
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#define QU(X) QUAUX(X)
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void yield() {
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asm volatile(" \
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mov $" QU(SYSCALL_YIELD) ", %%eax; \
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int $80; \
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"::"b"(0));
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}
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void createProcCr3(void* start,void* cr3) {
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asm volatile(" \
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mov $" QU(SYSCALL_CREATEPROC) ", %%eax; \
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int $80; \
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"::"b"(start),"d"(0),"c"(cr3));
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}
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void createProcCr3Param(void* start,void* cr3,uint32_t param1,uint32_t param2) {
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asm volatile(" \
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mov $" QU(SYSCALL_CREATEPROC) ", %%eax; \
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int $80; \
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"::"b"(start),"c"(cr3),"d"(1),"S"(param1),"D"(param2));
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}
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void yieldToPID(uint32_t pid) {
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asm volatile(" \
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mov $" QU(SYSCALL_YIELD) ", %%eax; \
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int $80; \
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"::"b"(pid));
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}
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__attribute__((noreturn)) void exit(int code) {
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code=code&0xff;
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asm volatile(" \
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mov $" QU(SYSCALL_EXIT) ", %%eax; \
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int $80; \
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"::"b"(code));
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for(;;);
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}
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void blockThread(ThreadState state) {
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asm volatile(" \
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mov $" QU(SYSCALL_BLOCK) ", %%eax; \
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int $80; \
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"::"b"(state));
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}
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void unblockThread(pid_t pid,uint32_t tid) {
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asm volatile(" \
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mov $" QU(SYSCALL_UNBLOCK) ", %%eax; \
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int $80; \
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"::"b"(pid),"c"(tid));
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}
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