From df0688efa326a03a22bcbc36d1900926b7b1c986 Mon Sep 17 00:00:00 2001 From: Jon Santmyer Date: Mon, 7 Sep 2026 19:19:24 -0400 Subject: split syscall info into api subfolder. untyped syscalls --- arch/x86_64/sys/serial.c | 16 +++++++--------- arch/x86_64/sys/syscall.h | 5 ----- 2 files changed, 7 insertions(+), 14 deletions(-) (limited to 'arch/x86_64/sys') diff --git a/arch/x86_64/sys/serial.c b/arch/x86_64/sys/serial.c index 48a14c7..12db6fd 100644 --- a/arch/x86_64/sys/serial.c +++ b/arch/x86_64/sys/serial.c @@ -9,15 +9,13 @@ s_syscall_serial_write( size_t payload_bytes, void *payload_data) { - if(payload_bytes < sizeof(struct syscall_serial_write)) { - kprintf("syscall_serial_write: message is too small for this syscall!\n"); - return EOOB; - } - struct syscall_serial_write *payload = payload_data; - if(payload_bytes < sizeof(struct syscall_serial_write) + payload->len) { - kprintf("syscall_serial_write: message is to small for payload!\n"); - return EOOB; - } + size_t bytes_needed = sizeof(struct syscall_generic_write); + CHECK_TOOSMALL(bytes_needed, payload_bytes, "Message is too small for this syscall!"); + + struct syscall_generic_write *payload = payload_data; + bytes_needed += payload->len * 2; + CHECK_TOOSMALL(bytes_needed, payload_bytes, "Message is too small for write buffer!"); + return serial_com_write(serial_com, payload->data, payload->len); } diff --git a/arch/x86_64/sys/syscall.h b/arch/x86_64/sys/syscall.h index 9138101..868ce0b 100644 --- a/arch/x86_64/sys/syscall.h +++ b/arch/x86_64/sys/syscall.h @@ -3,11 +3,6 @@ #include "sys/syscall.h" -struct syscall_serial_write -{ - size_t len; - char data[]; -}; int _syscall_handle_serial(SYSCALL_FUNCTION_ARGS); #define SYSCALL_SERIAL_COM_WRITE 0 -- cgit v1.2.3