| 36,29 → 36,72 |
|---|
| #define KERN_ia64_ASM_H_ |
| |
| #include <config.h> |
| #include <typedefs.h> |
| #include <arch/types.h> |
| #include <arch/register.h> |
| |
| |
| #define IA64_IOSPACE_ADDRESS 0xE001000000000000ULL |
| |
| static inline void outb(uint64_t port,uint8_t v) |
| static inline void pio_write_8(ioport8_t *port, uint8_t v) |
| { |
| *((char *)(IA64_IOSPACE_ADDRESS + ( (port & 0xfff) | ( (port >> 2) << 12 )))) = v; |
| uintptr_t prt = (uintptr_t) port; |
| |
| *((uint8_t *)(IA64_IOSPACE_ADDRESS + |
| ((prt & 0xfff) | ((prt >> 2) << 12)))) = v; |
| |
| asm volatile ("mf\n" ::: "memory"); |
| } |
| |
| static inline void pio_write_16(ioport16_t *port, uint16_t v) |
| { |
| uintptr_t prt = (uintptr_t) port; |
| |
| static inline uint8_t inb(uint64_t port) |
| *((uint16_t *)(IA64_IOSPACE_ADDRESS + |
| ((prt & 0xfff) | ((prt >> 2) << 12)))) = v; |
| |
| asm volatile ("mf\n" ::: "memory"); |
| } |
| |
| static inline void pio_write_32(ioport32_t *port, uint32_t v) |
| { |
| uintptr_t prt = (uintptr_t) port; |
| |
| *((uint32_t *)(IA64_IOSPACE_ADDRESS + |
| ((prt & 0xfff) | ((prt >> 2) << 12)))) = v; |
| |
| asm volatile ("mf\n" ::: "memory"); |
| } |
| |
| return *((char *)(IA64_IOSPACE_ADDRESS + ( (port & 0xfff) | ( (port >> 2) << 12 )))); |
| static inline uint8_t pio_read_8(ioport8_t *port) |
| { |
| uintptr_t prt = (uintptr_t) port; |
| |
| asm volatile ("mf\n" ::: "memory"); |
| |
| return *((uint8_t *)(IA64_IOSPACE_ADDRESS + |
| ((prt & 0xfff) | ((prt >> 2) << 12)))); |
| } |
| |
| static inline uint16_t pio_read_16(ioport16_t *port) |
| { |
| uintptr_t prt = (uintptr_t) port; |
| |
| asm volatile ("mf\n" ::: "memory"); |
| |
| return *((uint16_t *)(IA64_IOSPACE_ADDRESS + |
| ((prt & 0xfff) | ((prt >> 2) << 12)))); |
| } |
| |
| static inline uint32_t pio_read_32(ioport32_t *port) |
| { |
| uintptr_t prt = (uintptr_t) port; |
| |
| asm volatile ("mf\n" ::: "memory"); |
| |
| return *((uint32_t *)(IA64_IOSPACE_ADDRESS + |
| ((prt & 0xfff) | ((prt >> 2) << 12)))); |
| } |
| |
| /** Return base address of current stack |
| * |
| * Return the base address of the current stack. |
| 69,9 → 112,14 |
|---|
| { |
| uint64_t v; |
| |
| asm volatile ("and %0 = %1, r12" : "=r" (v) : "r" (~(STACK_SIZE-1))); |
| //I'm not sure why but this code bad inlines in scheduler, |
| //so THE shifts about 16B and causes kernel panic |
| //asm volatile ("and %0 = %1, r12" : "=r" (v) : "r" (~(STACK_SIZE-1))); |
| //return v; |
| |
| return v; |
| //this code have the same meaning but inlines well |
| asm volatile ("mov %0 = r12" : "=r" (v) ); |
| return v & (~(STACK_SIZE-1)); |
| } |
| |
| /** Return Processor State Register. |
| 123,6 → 171,16 |
|---|
| return v; |
| } |
| |
| static inline uint64_t cr64_read(void) |
| { |
| uint64_t v; |
| |
| asm volatile ("mov %0 = cr64\n" : "=r" (v)); |
| |
| return v; |
| } |
| |
| |
| /** Write ITC (Interval Timer Counter) register. |
| * |
| * @param v New counter value. |
| 297,7 → 355,8 |
|---|
| extern void cpu_sleep(void); |
| extern void asm_delay_loop(uint32_t t); |
| |
| extern void switch_to_userspace(uintptr_t entry, uintptr_t sp, uintptr_t bsp, uintptr_t uspace_uarg, uint64_t ipsr, uint64_t rsc); |
| extern void switch_to_userspace(uintptr_t, uintptr_t, uintptr_t, uintptr_t, |
| uint64_t, uint64_t); |
| |
| #endif |
| |