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| 35 | #ifndef KERN_arm32_ASM_H_ |
35 | #ifndef KERN_arm32_ASM_H_ |
| 36 | #define KERN_arm32_ASM_H_ |
36 | #define KERN_arm32_ASM_H_ |
| 37 | 37 | ||
| 38 | #include <arch/types.h> |
38 | #include <arch/types.h> |
| - | 39 | #include <arch/stack.h> |
|
| - | 40 | #include <config.h> |
|
| 39 | 41 | ||
| 40 | static inline void cpu_sleep(void) |
42 | static inline void cpu_sleep(void) |
| 41 | { |
43 | { |
| 42 | /* TODO */ |
44 | // not implemented on gxemul |
| 43 | } |
45 | } |
| 44 | 46 | ||
| 45 | /** Return base address of current stack |
47 | /** Return base address of current stack |
| 46 | * |
48 | * |
| 47 | * Return the base address of the current stack. |
49 | * Return the base address of the current stack. |
| 48 | * The stack is assumed to be STACK_SIZE bytes long. |
50 | * The stack is assumed to be STACK_SIZE bytes long. |
| 49 | * The stack must start on page boundary. |
51 | * The stack must start on page boundary. |
| 50 | */ |
52 | */ |
| 51 | static inline uintptr_t get_stack_base(void) |
53 | static inline uintptr_t get_stack_base(void) |
| 52 | { |
54 | { |
| 53 | /* TODO */ |
55 | uintptr_t v; |
| - | 56 | asm volatile ("and %0, sp, %1\n" : "=r" (v) : "r" (~(STACK_SIZE-1))); |
|
| 54 | return NULL; |
57 | return v; |
| 55 | } |
58 | } |
| 56 | 59 | ||
| 57 | extern void cpu_halt(void); |
60 | extern void cpu_halt(void); |
| 58 | extern void asm_delay_loop(uint32_t t); |
61 | extern void asm_delay_loop(uint32_t t); |
| 59 | extern void userspace_asm(uintptr_t ustack, uintptr_t uspace_uarg, |
62 | extern void userspace_asm(uintptr_t ustack, uintptr_t uspace_uarg, |