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Espresso 0.0.2a

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This commit is contained in:
David Goeke
2026-02-12 20:33:46 -06:00
parent c0dc95e255
commit 021fdbbcef
26 changed files with 452 additions and 27315 deletions
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16
include/port_io.h
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@ -10,12 +10,12 @@ static inline uint32_t inl(uint16_t port)
return rv;
}
static inline void outl(uint16_t port, uint32_t data)
static inline __attribute__((always_inline)) void outl(uint16_t port, uint32_t data)
{
asm volatile ("outl %%eax, %%dx" : : "dN" (port), "a" (data));
}
static inline void outb(uint16_t port, uint8_t val)
static inline __attribute__((always_inline)) void outb(uint16_t port, uint8_t val)
{
asm volatile ( "outb %0, %1" : : "a"(val), "Nd"(port) : "memory");
}
@ -30,17 +30,19 @@ static inline uint8_t inb(uint16_t port)
return ret;
}
static inline void io_wait()
static inline __attribute__((always_inline)) void io_wait()
{
outb(0x80, 0);
}
static inline void insw(uint16_t port, void* addr, uint32_t count) {
__asm__ volatile ("rep insw" : "+D"(addr), "+c"(count) : "d"(port) : "memory");
static inline __attribute__((always_inline)) void insw(uint16_t port, void* addr, uint32_t count)
{
asm volatile ("rep insw" : "+D"(addr), "+c"(count) : "d"(port) : "memory");
}
static inline void outsw(uint16_t port, const void* addr, uint32_t count) {
__asm__ volatile ("rep outsw" : "+S"(addr), "+c"(count) : "d"(port));
static inline __attribute__((always_inline)) void outsw(uint16_t port, const void* addr, uint32_t count)
{
asm volatile ("rep outsw" : "+S"(addr), "+c"(count) : "d"(port));
}
#endif