diff options
Diffstat (limited to 'src/kernel/system.c')
| -rw-r--r-- | src/kernel/system.c | 149 |
1 files changed, 74 insertions, 75 deletions
diff --git a/src/kernel/system.c b/src/kernel/system.c index e4f59a2..d6dadc1 100644 --- a/src/kernel/system.c +++ b/src/kernel/system.c @@ -9,127 +9,126 @@ uint32_t initial_esp; -char *vga_buffer = (char *) 0x500; +char *vga_buffer = (char *)0x500; void vga_clear() { - uint16_t *terminal_buffer = (uint16_t *) 0xB8000; - for (size_t y = 0; y < 25; y++) - for (size_t x = 0; x < 80; x++) - terminal_buffer[y * 80 + x] = 0 | (uint16_t) 0x700; + uint16_t *terminal_buffer = (uint16_t *)0xB8000; + for (size_t y = 0; y < 25; y++) + for (size_t x = 0; x < 80; x++) + terminal_buffer[y * 80 + x] = 0 | (uint16_t)0x700; } static int line = 0; void vga_log(char *msg) { - if (line == 0) vga_clear(); - uint16_t *terminal_buffer = (uint16_t *) 0xB8000; - for (size_t i = 0; i < strlen(msg); i++) - terminal_buffer[line * 80 + i] = (uint16_t) msg[i] | (uint16_t) 0x700; - char string[80]; - strcpy(string, "["); - strcat(string, itoa((int) get_time())); - strcat(string, "] "); - strcat(string, "INF: "); - strcat(string, msg); - strcat(string, "\n"); - strcat(vga_buffer, string); - line++; + if (line == 0) + vga_clear(); + uint16_t *terminal_buffer = (uint16_t *)0xB8000; + for (size_t i = 0; i < strlen(msg); i++) + terminal_buffer[line * 80 + i] = (uint16_t)msg[i] | (uint16_t)0x700; + char string[80]; + strcpy(string, "["); + strcat(string, itoa((int)get_time())); + strcat(string, "] "); + strcat(string, "INF: "); + strcat(string, msg); + strcat(string, "\n"); + strcat(vga_buffer, string); + line++; } void kernel_time() { - printf("[%d] ", (int) get_time()); + printf("[%d] ", (int)get_time()); } void debug(const char *fmt, ...) { - vesa_set_color(vesa_dark_white); - kernel_time(); - printf("DBG: "); + vesa_set_color(vesa_dark_white); + kernel_time(); + printf("DBG: "); - va_list args; - va_start(args, fmt); - vprintf(fmt, args); - va_end(args); + va_list args; + va_start(args, fmt); + vprintf(fmt, args); + va_end(args); - vesa_set_color(default_text_color); - writec('\n'); + vesa_set_color(default_text_color); + writec('\n'); } void info(const char *fmt, ...) { - vesa_set_color(vesa_blue); - kernel_time(); - printf("INF: "); + vesa_set_color(vesa_blue); + kernel_time(); + printf("INF: "); - va_list args; - va_start(args, fmt); - vprintf(fmt, args); - va_end(args); + va_list args; + va_start(args, fmt); + vprintf(fmt, args); + va_end(args); - vesa_set_color(default_text_color); - writec('\n'); + vesa_set_color(default_text_color); + writec('\n'); } void warn(const char *fmt, ...) { - vesa_set_color(vesa_dark_yellow); - kernel_time(); - printf("WRN: "); + vesa_set_color(vesa_dark_yellow); + kernel_time(); + printf("WRN: "); - va_list args; - va_start(args, fmt); - vprintf(fmt, args); - va_end(args); + va_list args; + va_start(args, fmt); + vprintf(fmt, args); + va_end(args); - vesa_set_color(default_text_color); - writec('\n'); + vesa_set_color(default_text_color); + writec('\n'); } -const char *random_message[10] = { - "Uh... Did I do that?", - "Layer 8 problem!", - "Oops.", - "DON'T PANIC!", - "Must be a typo.", - "I'm tired of this ;(", - "PC LOAD LETTER", - "Have you tried turning it off and on again?", - "Call 01189998819991197253 pls", - "Please fix me!" -}; +const char *random_message[10] = { "Uh... Did I do that?", + "Layer 8 problem!", + "Oops.", + "DON'T PANIC!", + "Must be a typo.", + "I'm tired of this ;(", + "PC LOAD LETTER", + "Have you tried turning it off and on again?", + "Call 01189998819991197253 pls", + "Please fix me!" }; void panic(char *msg) { - cli(); - vesa_set_color(vesa_dark_red); - kernel_time(); - serial_printf("PNC: %s - System halted!", msg); - printf("PNC: %s - System halted!\n\n", msg); - printf("> %s", random_message[get_time() % 10]); - halt_loop(); + cli(); + vesa_set_color(vesa_dark_red); + kernel_time(); + serial_printf("PNC: %s - System halted!", msg); + printf("PNC: %s - System halted!\n\n", msg); + printf("> %s", random_message[get_time() % 10]); + halt_loop(); } void assert(int x) { - if (x == 0) { - panic("Assertion failed"); - } + if (x == 0) { + panic("Assertion failed"); + } } void halt_loop() { - cli(); - loop: - hlt(); - goto loop; + cli(); +loop: + hlt(); + goto loop; } void v86(uint8_t code, regs16_t *regs) { - paging_disable(); - int32(code, regs); - paging_enable(); + paging_disable(); + int32(code, regs); + paging_enable(); } |