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Code Issues Releases Wiki Activity

🆕 fat32_write (存在写入bug）

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This commit is contained in:
fslongjin
2022-04-29 23:57:36 +08:00
parent 3e101d71ff
commit 9db1c3f74e
4 changed files with 251 additions and 43 deletions
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7
kernel/syscall/syscall.c
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@ -46,7 +46,7 @@ void syscall_init()
{
kinfo("Initializing syscall...");
set_system_intr_gate(0x80, 0, syscall_int); // 系统调用门
set_system_trap_gate(0x80, 0, syscall_int); // 系统调用门
}
/**
@ -284,7 +284,7 @@ uint64_t sys_write(struct pt_regs *regs)
void *buf = (void *)regs->r9;
int64_t count = (int64_t)regs->r10;
// kdebug("sys read: fd=%d", fd_num);
kdebug("sys write: fd=%d", fd_num);
// 校验文件描述符范围
if (fd_num < 0 || fd_num > PROC_MAX_FD_NUM)
@ -326,5 +326,6 @@ system_call_t system_call_table[MAX_SYSTEM_CALL_NUM] =
[2] = sys_open,
[3] = sys_close,
[4] = sys_read,
[5 ... 254] = system_call_not_exists,
[5] = sys_write,
[6 ... 254] = system_call_not_exists,
[255] = sys_ahci_end_req};