diff options
Diffstat (limited to 'encoding.h')
| -rw-r--r-- | encoding.h | 103 |
1 files changed, 71 insertions, 32 deletions
@@ -3,25 +3,61 @@ #ifndef RISCV_CSR_ENCODING_H #define RISCV_CSR_ENCODING_H -#define SR_S 0x00000001 -#define SR_PS 0x00000002 -#define SR_EI 0x00000004 -#define SR_PEI 0x00000008 -#define SR_EF 0x00000010 -#define SR_U64 0x00000020 -#define SR_S64 0x00000040 -#define SR_VM 0x00000080 -#define SR_EA 0x00000100 -#define SR_IM 0x00FF0000 -#define SR_IP 0xFF000000 -#define SR_ZERO ~(SR_S|SR_PS|SR_EI|SR_PEI|SR_EF|SR_U64|SR_S64|SR_VM|SR_EA|SR_IM|SR_IP) -#define SR_IM_SHIFT 16 -#define SR_IP_SHIFT 24 - -#define IRQ_COP 2 -#define IRQ_IPI 5 -#define IRQ_HOST 6 -#define IRQ_TIMER 7 +#define MSTATUS_SSIP 0x00000002 +#define MSTATUS_HSIP 0x00000004 +#define MSTATUS_MSIP 0x00000008 +#define MSTATUS_IE 0x00000010 +#define MSTATUS_PRV 0x00000060 +#define MSTATUS_IE1 0x00000080 +#define MSTATUS_PRV1 0x00000300 +#define MSTATUS_IE2 0x00000400 +#define MSTATUS_PRV2 0x00001800 +#define MSTATUS_IE3 0x00002000 +#define MSTATUS_PRV3 0x0000C000 +#define MSTATUS_MPRV 0x00030000 +#define MSTATUS_VM 0x00780000 +#define MSTATUS_STIE 0x01000000 +#define MSTATUS_HTIE 0x02000000 +#define MSTATUS_MTIE 0x04000000 +#define MSTATUS_FS 0x18000000 +#define MSTATUS_XS 0x60000000 +#define MSTATUS32_SD 0x80000000 +#define MSTATUS64_UA 0x0000000F00000000 +#define MSTATUS64_SA 0x000000F000000000 +#define MSTATUS64_HA 0x00000F0000000000 +#define MSTATUS64_SD 0x8000000000000000 + +#define SSTATUS_SIP 0x00000002 +#define SSTATUS_IE 0x00000010 +#define SSTATUS_PIE 0x00000080 +#define SSTATUS_PS 0x00000100 +#define SSTATUS_UA 0x000F0000 +#define SSTATUS_TIE 0x01000000 +#define SSTATUS_TIP 0x04000000 +#define SSTATUS_FS 0x18000000 +#define SSTATUS_XS 0x60000000 +#define SSTATUS32_SD 0x80000000 +#define SSTATUS64_SD 0x8000000000000000 + +#define PRV_U 0 +#define PRV_S 1 +#define PRV_H 2 +#define PRV_M 3 + +#define VM_MBARE 0 +#define VM_MBB 1 +#define VM_MBBID 2 +#define VM_SV32 4 +#define VM_SV43 5 + +#define UA_RV32 0 +#define UA_RV64 4 +#define UA_RV128 8 + +#define IRQ_TIMER 0 +#define IRQ_IPI 1 +#define IRQ_HOST 2 +#define IRQ_COP 3 #define IMPL_SPIKE 1 #define IMPL_ROCKET 2 @@ -41,9 +77,16 @@ #ifdef __riscv #ifdef __riscv64 +# define MSTATUS_UA MSTATUS64_UA +# define MSTATUS_SA MSTATUS64_SA +# define MSTATUS_HA MSTATUS64_HA +# define MSTATUS_SD MSTATUS64_SD +# define SSTATUS_SD SSTATUS64_SD # define RISCV_PGLEVELS 3 # define RISCV_PGSHIFT 13 #else +# define MSTATUS_SD MSTATUS32_SD +# define SSTATUS_SD SSTATUS32_SD # define RISCV_PGLEVELS 2 # define RISCV_PGSHIFT 12 #endif @@ -52,7 +95,9 @@ #ifndef __ASSEMBLER__ -#define read_csr(reg) ({ long __tmp; \ +#ifdef __GNUC__ + +#define read_csr(reg) ({ unsigned long __tmp; \ asm volatile ("csrr %0, " #reg : "=r"(__tmp)); \ __tmp; }) @@ -63,31 +108,25 @@ asm volatile ("csrrw %0, " #reg ", %1" : "=r"(__tmp) : "r"(val)); \ __tmp; }) -#define set_csr(reg, bit) ({ long __tmp; \ +#define set_csr(reg, bit) ({ unsigned long __tmp; \ if (__builtin_constant_p(bit) && (bit) < 32) \ asm volatile ("csrrs %0, " #reg ", %1" : "=r"(__tmp) : "i"(bit)); \ else \ asm volatile ("csrrs %0, " #reg ", %1" : "=r"(__tmp) : "r"(bit)); \ __tmp; }) -#define clear_csr(reg, bit) ({ long __tmp; \ +#define clear_csr(reg, bit) ({ unsigned long __tmp; \ if (__builtin_constant_p(bit) && (bit) < 32) \ asm volatile ("csrrc %0, " #reg ", %1" : "=r"(__tmp) : "i"(bit)); \ else \ asm volatile ("csrrc %0, " #reg ", %1" : "=r"(__tmp) : "r"(bit)); \ __tmp; }) -#define rdtime() ({ unsigned long __tmp; \ - asm volatile ("rdtime %0" : "=r"(__tmp)); \ - __tmp; }) - -#define rdcycle() ({ unsigned long __tmp; \ - asm volatile ("rdcycle %0" : "=r"(__tmp)); \ - __tmp; }) +#define rdtime() read_csr(time) +#define rdcycle() read_csr(cycle) +#define rdinstret() read_csr(instret) -#define rdinstret() ({ unsigned long __tmp; \ - asm volatile ("rdinstret %0" : "=r"(__tmp)); \ - __tmp; }) +#endif #endif |