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Slighly changed everything :)

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- Makefile changes
- Linker script updates
- Made it comply with C17
- Removed entry.asm (finally)
This commit is contained in:
Tom-on
2024-05-24 18:25:26 +02:00
parent f879ca122f
commit 8245187356
9 changed files with 22 additions and 42 deletions
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include/disk/disk.h
-2
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@@ -9,8 +9,6 @@
#define WRITE_COMMAND 0x30
#define CACHE_FLUSH 0xE7
extern uint8_t driveNum;
void diskRead(uint32_t lbaAddress, uint8_t sectorCount, char* dst) {
outb(PIO_PORT + 6, ((lbaAddress >> 24) & 0x0f) | 0xe0); // 6 - Use LBA; 4 - Drive number; 3-0 - Highest lba address nibble
outb(PIO_PORT + 2, sectorCount); // Sector count register
include/ports/io.h
+5 -5
View File
@@ -6,27 +6,27 @@
// Port functions
uint8_t inb(uint16_t port) {
uint8_t result;
asm volatile("inb %1, %0" : "=a"(result) : "Nd"(port));
__asm__ volatile("inb %1, %0" : "=a"(result) : "Nd"(port));
return result;
}
void outb(uint16_t port, uint8_t data) {
asm volatile("outb %0, %1" :: "a"(data), "Nd"(port));
__asm__ volatile("outb %0, %1" :: "a"(data), "Nd"(port));
}
uint16_t inw(uint16_t port) {
uint16_t result;
asm volatile("inw %1, %0" : "=a"(result) : "Nd"(port));
__asm__ volatile("inw %1, %0" : "=a"(result) : "Nd"(port));
return result;
}
void outw(uint16_t port, uint16_t data) {
asm volatile("outw %0, %1" :: "a"(data), "Nd"(port));
__asm__ volatile("outw %0, %1" :: "a"(data), "Nd"(port));
}
void ioWait() {
// Waits ~1 I/O Cycle (Linux uses this so it should be good)
asm volatile("outb %%al, $0x80" : : "a"(0));
__asm__ volatile("outb %%al, $0x80" : : "a"(0));
}
#endif