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Syscall first parameter

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This commit is contained in:
Adrien Bourmault 2021-02-26 18:10:25 +01:00
parent bc3e8323bd
commit aa0207cf67
Signed by: neox
GPG Key ID: 6EB408FE0ACEC664
1 changed files with 5 additions and 0 deletions
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5
include/asm.h
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@ -38,6 +38,11 @@
// //
#define interrupt(n) asm volatile ("int %0" : : "N" (n) : "cc", "memory") #define interrupt(n) asm volatile ("int %0" : : "N" (n) : "cc", "memory")
//
// Trigger a system call
//
#define syscall(n) asm volatile ("movq %0, %rdi\nint $0x80" : : "N" (n) : "cc", "memory")
// //
// Returns whether IRQs are enabled // Returns whether IRQs are enabled
// //