diff options
Diffstat (limited to 'mt/common/pcr.h')
-rwxr-xr-x | mt/common/pcr.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/mt/common/pcr.h b/mt/common/pcr.h new file mode 100755 index 0000000..7659a97 --- /dev/null +++ b/mt/common/pcr.h @@ -0,0 +1,90 @@ +#ifndef _RISCV_PCR_H +#define _RISCV_PCR_H + +#define SR_ET 0x00000001 +#define SR_EF 0x00000002 +#define SR_EV 0x00000004 +#define SR_EC 0x00000008 +#define SR_PS 0x00000010 +#define SR_S 0x00000020 +#define SR_U64 0x00000040 +#define SR_S64 0x00000080 +#define SR_VM 0x00000100 +#define SR_IM 0x00FF0000 +#define SR_ZERO ~(SR_ET|SR_EF|SR_EV|SR_EC|SR_PS|SR_S|SR_U64|SR_S64|SR_VM|SR_IM) +#define SR_IM_SHIFT 16 + +#define PCR_SR 0 +#define PCR_EPC 1 +#define PCR_BADVADDR 2 +#define PCR_EVEC 3 +#define PCR_COUNT 4 +#define PCR_COMPARE 5 +#define PCR_CAUSE 6 +#define PCR_PTBR 7 +#define PCR_SEND_IPI 8 +#define PCR_CLR_IPI 9 +#define PCR_COREID 10 +#define PCR_IMPL 11 +#define PCR_K0 12 +#define PCR_K1 13 +#define PCR_VECBANK 18 +#define PCR_VECCFG 19 +#define PCR_RESET 29 +#define PCR_TOHOST 30 +#define PCR_FROMHOST 31 + +#define IRQ_IPI 5 +#define IRQ_TIMER 7 + +#define CAUSE_MISALIGNED_FETCH 0 +#define CAUSE_FAULT_FETCH 1 +#define CAUSE_ILLEGAL_INSTRUCTION 2 +#define CAUSE_PRIVILEGED_INSTRUCTION 3 +#define CAUSE_FP_DISABLED 4 +#define CAUSE_SYSCALL 6 +#define CAUSE_BREAKPOINT 7 +#define CAUSE_MISALIGNED_LOAD 8 +#define CAUSE_MISALIGNED_STORE 9 +#define CAUSE_FAULT_LOAD 10 +#define CAUSE_FAULT_STORE 11 +#define CAUSE_VECTOR_DISABLED 12 +#define CAUSE_VECTOR_BANK 13 + +#define CAUSE_VECTOR_MISALIGNED_FETCH 24 +#define CAUSE_VECTOR_FAULT_FETCH 25 +#define CAUSE_VECTOR_ILLEGAL_INSTRUCTION 26 +#define CAUSE_VECTOR_ILLEGAL_COMMAND 27 +#define CAUSE_VECTOR_MISALIGNED_LOAD 28 +#define CAUSE_VECTOR_MISALIGNED_STORE 29 +#define CAUSE_VECTOR_FAULT_LOAD 30 +#define CAUSE_VECTOR_FAULT_STORE 31 + +#ifdef __riscv + +#define ASM_CR(r) _ASM_CR(r) +#define _ASM_CR(r) cr##r + +#ifndef __ASSEMBLER__ + +#define mtpcr(reg,val) ({ long __tmp = (long)(val), __tmp2; \ + asm volatile ("mtpcr %0,%1,cr%2" : "=r"(__tmp2) : "r"(__tmp),"i"(reg)); \ + __tmp2; }) + +#define mfpcr(reg) ({ long __tmp; \ + asm volatile ("mfpcr %0,cr%1" : "=r"(__tmp) : "i"(reg)); \ + __tmp; }) + +#define setpcr(reg,val) ({ long __tmp; \ + asm volatile ("setpcr %0,cr%2,%1" : "=r"(__tmp) : "i"(val), "i"(reg)); \ + __tmp; }) + +#define clearpcr(reg,val) ({ long __tmp; \ + asm volatile ("clearpcr %0,cr%2,%1" : "=r"(__tmp) : "i"(val), "i"(reg)); \ + __tmp; }) + +#endif + +#endif + +#endif |