diff options
| author | dzwdz | 2021-09-14 20:31:40 +0200 |
|---|---|---|
| committer | dzwdz | 2021-09-14 20:31:40 +0200 |
| commit | 1d0512957e802acfe7b677b30589a4e3bd26fac8 (patch) | |
| tree | f055d09bb2ef2b552473bc6fa168c6dba4e4cb55 /src/kernel | |
| parent | bfef3846f0048eee855af27406fd5d9b17a17677 (diff) | |
add support for 4-parameter syscalls
Diffstat (limited to 'src/kernel')
| -rw-r--r-- | src/kernel/arch/generic.h | 2 | ||||
| -rw-r--r-- | src/kernel/arch/i386/sysenter.c | 2 | ||||
| -rw-r--r-- | src/kernel/syscalls.c | 2 |
3 files changed, 3 insertions, 3 deletions
diff --git a/src/kernel/arch/generic.h b/src/kernel/arch/generic.h index 547109f..dd145f7 100644 --- a/src/kernel/arch/generic.h +++ b/src/kernel/arch/generic.h @@ -18,7 +18,7 @@ void halt_cpu(void); // src/arch/i386/sysenter.s _Noreturn void sysexit(struct registers); -int syscall_handler(int, int, int, int); +int syscall_handler(int, int, int, int, int); // all of those can allocate memory struct pagedir *pagedir_new(void); diff --git a/src/kernel/arch/i386/sysenter.c b/src/kernel/arch/i386/sysenter.c index 231aba5..6419439 100644 --- a/src/kernel/arch/i386/sysenter.c +++ b/src/kernel/arch/i386/sysenter.c @@ -22,7 +22,7 @@ _Noreturn void sysenter_stage2(void) { regs->eip = (userptr_t) regs->edx; val = syscall_handler(regs->eax, regs->ebx, - regs->esi, regs->edi); + regs->esi, regs->edi, (uintptr_t)regs->ebp); regs_savereturn(&process_current->regs, val); process_switch(process_current); // TODO process_resume diff --git a/src/kernel/syscalls.c b/src/kernel/syscalls.c index 6821871..9002628 100644 --- a/src/kernel/syscalls.c +++ b/src/kernel/syscalls.c @@ -250,7 +250,7 @@ int _syscall_memflag(void __user *addr, size_t len, int flags) { return -1; } -int syscall_handler(int num, int a, int b, int c) { +int syscall_handler(int num, int a, int b, int c, int d) { switch (num) { case _SYSCALL_EXIT: _syscall_exit((userptr_t)a, b); |