This patch extends asm/csr.h by adding RISC-V hypervisor extension related defines.
Signed-off-by: Anup Patel <anup.pa...@wdc.com> --- arch/riscv/include/asm/csr.h | 58 ++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h index a18923fa23c8..059c5cb22aaf 100644 --- a/arch/riscv/include/asm/csr.h +++ b/arch/riscv/include/asm/csr.h @@ -27,6 +27,8 @@ #define SR_XS_CLEAN _AC(0x00010000, UL) #define SR_XS_DIRTY _AC(0x00018000, UL) +#define SR_MXR _AC(0x00080000, UL) + #ifndef CONFIG_64BIT #define SR_SD _AC(0x80000000, UL) /* FS/XS dirty */ #else @@ -59,10 +61,13 @@ #define EXC_INST_MISALIGNED 0 #define EXC_INST_ACCESS 1 +#define EXC_INST_ILLEGAL 2 #define EXC_BREAKPOINT 3 #define EXC_LOAD_ACCESS 5 #define EXC_STORE_ACCESS 7 #define EXC_SYSCALL 8 +#define EXC_HYPERVISOR_SYSCALL 9 +#define EXC_SUPERVISOR_SYSCALL 10 #define EXC_INST_PAGE_FAULT 12 #define EXC_LOAD_PAGE_FAULT 13 #define EXC_STORE_PAGE_FAULT 15 @@ -72,6 +77,43 @@ #define SIE_STIE (_AC(0x1, UL) << IRQ_S_TIMER) #define SIE_SEIE (_AC(0x1, UL) << IRQ_S_EXT) +/* HSTATUS flags */ +#define HSTATUS_VTSR _AC(0x00400000, UL) +#define HSTATUS_VTVM _AC(0x00100000, UL) +#define HSTATUS_SP2V _AC(0x00000200, UL) +#define HSTATUS_SP2P _AC(0x00000100, UL) +#define HSTATUS_SPV _AC(0x00000080, UL) +#define HSTATUS_STL _AC(0x00000040, UL) +#define HSTATUS_SPRV _AC(0x00000001, UL) + +/* HGATP flags */ +#define HGATP_MODE_OFF _AC(0, UL) +#define HGATP_MODE_SV32X4 _AC(1, UL) +#define HGATP_MODE_SV39X4 _AC(8, UL) +#define HGATP_MODE_SV48X4 _AC(9, UL) + +#define HGATP32_MODE_SHIFT 31 +#define HGATP32_VMID_SHIFT 22 +#define HGATP32_VMID_MASK _AC(0x1FC00000, UL) +#define HGATP32_PPN _AC(0x003FFFFF, UL) + +#define HGATP64_MODE_SHIFT 60 +#define HGATP64_VMID_SHIFT 44 +#define HGATP64_VMID_MASK _AC(0x03FFF00000000000, UL) +#define HGATP64_PPN _AC(0x00000FFFFFFFFFFF, UL) + +#ifdef CONFIG_64BIT +#define HGATP_PPN HGATP64_PPN +#define HGATP_VMID_SHIFT HGATP64_VMID_SHIFT +#define HGATP_VMID_MASK HGATP64_VMID_MASK +#define HGATP_MODE (HGATP_MODE_SV39X4 << HGATP64_MODE_SHIFT) +#else +#define HGATP_PPN HGATP32_PPN +#define HGATP_VMID_SHIFT HGATP32_VMID_SHIFT +#define HGATP_VMID_MASK HGATP32_VMID_MASK +#define HGATP_MODE (HGATP_MODE_SV32X4 << HGATP32_MODE_SHIFT) +#endif + #define CSR_CYCLE 0xc00 #define CSR_TIME 0xc01 #define CSR_INSTRET 0xc02 @@ -85,6 +127,22 @@ #define CSR_STVAL 0x143 #define CSR_SIP 0x144 #define CSR_SATP 0x180 + +#define CSR_VSSTATUS 0x200 +#define CSR_VSIE 0x204 +#define CSR_VSTVEC 0x205 +#define CSR_VSSCRATCH 0x240 +#define CSR_VSEPC 0x241 +#define CSR_VSCAUSE 0x242 +#define CSR_VSTVAL 0x243 +#define CSR_VSIP 0x244 +#define CSR_VSATP 0x280 + +#define CSR_HSTATUS 0x600 +#define CSR_HEDELEG 0x602 +#define CSR_HIDELEG 0x603 +#define CSR_HGATP 0x680 + #define CSR_CYCLEH 0xc80 #define CSR_TIMEH 0xc81 #define CSR_INSTRETH 0xc82 -- 2.17.1
