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boreddevnl
2026-03-02 12:12:23 +01:00
parent 01345ba2b6
commit 659feee6f7
283 changed files with 106098 additions and 971 deletions
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44
src/kernel/userland/libc/stdlib.c
View File

@@ -207,7 +207,6 @@ void puts(const char *s) {
}
void printf(const char *fmt, ...) {
// Simple printf implementation
__builtin_va_list args;
__builtin_va_start(args, fmt);
char buf[1024];
@@ -216,29 +215,56 @@ void printf(const char *fmt, ...) {
while (*fmt) {
if (*fmt == '%') {
fmt++;
// Flush current buffer
if (buf_idx > 0) {
sys_write(1, buf, buf_idx);
buf_idx = 0;
}
if (*fmt == 's') {
char *s = __builtin_va_arg(args, char *);
while (*s) buf[buf_idx++] = *s++;
if (s) sys_write(1, s, strlen(s));
else sys_write(1, "(null)", 6);
} else if (*fmt == 'd') {
int d = __builtin_va_arg(args, int);
char ibuf[32];
itoa(d, ibuf);
char *s = ibuf;
while (*s) buf[buf_idx++] = *s++;
sys_write(1, ibuf, strlen(ibuf));
} else if (*fmt == 'X' || *fmt == 'x') {
uint32_t val = __builtin_va_arg(args, uint32_t);
char xbuf[16];
int xi = 0;
if (val == 0) xbuf[xi++] = '0';
else {
while (val > 0) {
uint32_t rem = val % 16;
xbuf[xi++] = (rem < 10) ? (rem + '0') : (rem - 10 + 'A');
val /= 16;
}
}
while (xi > 0) {
char c = xbuf[--xi];
sys_write(1, &c, 1);
}
} else if (*fmt == 'c') {
char c = (char)__builtin_va_arg(args, int);
buf[buf_idx++] = c;
sys_write(1, &c, 1);
} else if (*fmt == '%') {
buf[buf_idx++] = '%';
char c = '%';
sys_write(1, &c, 1);
}
} else {
buf[buf_idx++] = *fmt;
if (buf_idx >= 1024) {
sys_write(1, buf, buf_idx);
buf_idx = 0;
}
}
fmt++;
if (buf_idx >= 1022) break; // Simple overflow protection
}
buf[buf_idx] = 0;
sys_write(1, buf, buf_idx);
if (buf_idx > 0) {
sys_write(1, buf, buf_idx);
}
__builtin_va_end(args);
}

28
src/kernel/userland/libc/syscall.c
View File

@@ -195,3 +195,31 @@ void sys_set_text_color(uint32_t color) {
sys_system(SYSTEM_CMD_SET_TEXT_COLOR, (uint64_t)color, 0, 0, 0);
}
int sys_tcp_connect(const net_ipv4_address_t *ip, uint16_t port) {
return (int)syscall3(SYS_SYSTEM, SYSTEM_CMD_TCP_CONNECT, (uint64_t)ip, (uint64_t)port);
}
int sys_tcp_send(const void *data, size_t len) {
return (int)syscall3(SYS_SYSTEM, SYSTEM_CMD_TCP_SEND, (uint64_t)data, (uint64_t)len);
}
int sys_tcp_recv(void *buf, size_t max_len) {
return (int)syscall3(SYS_SYSTEM, SYSTEM_CMD_TCP_RECV, (uint64_t)buf, (uint64_t)max_len);
}
int sys_tcp_close(void) {
return (int)syscall2(SYS_SYSTEM, SYSTEM_CMD_TCP_CLOSE, 0);
}
int sys_dns_lookup(const char *name, net_ipv4_address_t *out_ip) {
return (int)syscall3(SYS_SYSTEM, SYSTEM_CMD_DNS_LOOKUP, (uint64_t)name, (uint64_t)out_ip);
}
int sys_set_dns_server(const net_ipv4_address_t *ip) {
return (int)syscall2(SYS_SYSTEM, SYSTEM_CMD_SET_DNS, (uint64_t)ip);
}
void sys_network_force_unlock(void) {
syscall2(SYS_SYSTEM, SYSTEM_CMD_NET_UNLOCK, 0);
}

15
src/kernel/userland/libc/syscall.h
View File

@@ -61,6 +61,13 @@
#define SYSTEM_CMD_GET_SHELL_CONFIG 28
#define SYSTEM_CMD_SET_TEXT_COLOR 29
#define SYSTEM_CMD_SET_WALLPAPER_PATH 31
#define SYSTEM_CMD_TCP_CONNECT 33
#define SYSTEM_CMD_TCP_SEND 34
#define SYSTEM_CMD_TCP_RECV 35
#define SYSTEM_CMD_TCP_CLOSE 36
#define SYSTEM_CMD_DNS_LOOKUP 37
#define SYSTEM_CMD_SET_DNS 38
#define SYSTEM_CMD_NET_UNLOCK 39
// Internal assembly entry into Ring 0
extern uint64_t syscall0(uint64_t sys_num);
@@ -122,5 +129,13 @@ int sys_network_has_ip(void);
uint64_t sys_get_shell_config(const char *key);
void sys_set_text_color(uint32_t color);
int sys_tcp_connect(const net_ipv4_address_t *ip, uint16_t port);
int sys_tcp_send(const void *data, size_t len);
int sys_tcp_recv(void *buf, size_t max_len);
int sys_tcp_close(void);
int sys_dns_lookup(const char *name, net_ipv4_address_t *out_ip);
int sys_set_dns_server(const net_ipv4_address_t *ip);
void sys_network_force_unlock(void);
#endif