| 37,7 → 37,6 |
|---|
| #ifndef KERN_arm32_REGUTILS_H_ |
| #define KERN_arm32_REGUTILS_H_ |
| |
| |
| #define STATUS_REG_IRQ_DISABLED_BIT (1 << 7) |
| #define STATUS_REG_MODE_MASK 0x1f |
| |
| 53,21 → 52,20 |
|---|
| #define UNDEFINED_MODE 0x1b |
| #define SYSTEM_MODE 0x1f |
| |
| |
| /* [CS]PRS manipulation macros */ |
| #define GEN_STATUS_READ(nm,reg) \ |
| static inline uint32_t nm## _status_reg_read(void) \ |
| { \ |
| uint32_t retval; \ |
| asm volatile("mrs %0, " #reg : "=r"(retval)); \ |
| return retval; \ |
| } |
| static inline uint32_t nm## _status_reg_read(void) \ |
| { \ |
| uint32_t retval; \ |
| asm volatile("mrs %0, " #reg : "=r" (retval)); \ |
| return retval; \ |
| } |
| |
| #define GEN_STATUS_WRITE(nm,reg,fieldname, field) \ |
| static inline void nm## _status_reg_ ##fieldname## _write(uint32_t value) \ |
| { \ |
| asm volatile("msr " #reg "_" #field ", %0" : : "r"(value)); \ |
| } |
| static inline void nm## _status_reg_ ##fieldname## _write(uint32_t value) \ |
| { \ |
| asm volatile("msr " #reg "_" #field ", %0" : : "r" (value)); \ |
| } |
| |
| |
| /** Returns the value of CPSR (Current Program Status Register). */ |