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target/riscv: Add the Hypervisor CSRs to CPUState

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Add the Hypervisor CSRs to CPUState and at the same time (to avoid
bisect issues) update the CSR macros for the v0.5 Hyp spec.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
This commit is contained in:
Alistair Francis 2020-01-31 17:01:43 -08:00 committed by Palmer Dabbelt
parent af1fa0039c
commit bd023ce33b
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GPG Key ID: 2E1319F35FBB1889
3 changed files with 48 additions and 18 deletions
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21
target/riscv/cpu.h
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@ -143,6 +143,27 @@ struct CPURISCVState {
target_ulong mcause;
target_ulong mtval; /* since: priv-1.10.0 */
/* Hypervisor CSRs */
target_ulong hstatus;
target_ulong hedeleg;
target_ulong hideleg;
target_ulong hcounteren;
target_ulong htval;
target_ulong htinst;
target_ulong hgatp;
/* Virtual CSRs */
target_ulong vsstatus;
target_ulong vstvec;
target_ulong vsscratch;
target_ulong vsepc;
target_ulong vscause;
target_ulong vstval;
target_ulong vsatp;
target_ulong mtval2;
target_ulong mtinst;
target_ulong scounteren;
target_ulong mcounteren;

34
target/riscv/cpu_bits.h
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@ -177,8 +177,14 @@
#define CSR_HSTATUS 0x600
#define CSR_HEDELEG 0x602
#define CSR_HIDELEG 0x603
#define CSR_HCOUNTERNEN 0x606
#define CSR_HIE 0x604
#define CSR_HCOUNTEREN 0x606
#define CSR_HTVAL 0x643
#define CSR_HIP 0x644
#define CSR_HTINST 0x64A
#define CSR_HGATP 0x680
#define CSR_HTIMEDELTA 0x605
#define CSR_HTIMEDELTAH 0x615
#if defined(TARGET_RISCV32)
#define HGATP_MODE SATP32_MODE
@ -191,6 +197,20 @@
#define HGATP_PPN SATP64_PPN
#endif
/* Virtual CSRs */
#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_MTINST 0x34a
#define CSR_MTVAL2 0x34b
/* Physical Memory Protection */
#define CSR_PMPCFG0 0x3a0
#define CSR_PMPCFG1 0x3a1
@ -313,17 +333,6 @@
#define CSR_MHPMCOUNTER30H 0xb9e
#define CSR_MHPMCOUNTER31H 0xb9f
/* Legacy Hypervisor Trap Setup (priv v1.9.1) */
#define CSR_HIE 0x204
#define CSR_HTVEC 0x205
/* Legacy Hypervisor Trap Handling (priv v1.9.1) */
#define CSR_HSCRATCH 0x240
#define CSR_HEPC 0x241
#define CSR_HCAUSE 0x242
#define CSR_HBADADDR 0x243
#define CSR_HIP 0x244
/* Legacy Machine Protection and Translation (priv v1.9.1) */
#define CSR_MBASE 0x380
#define CSR_MBOUND 0x381
@ -400,7 +409,6 @@
/* hstatus CSR bits */
#define HSTATUS_SPRV 0x00000001
#define HSTATUS_STL 0x00000040
#define HSTATUS_SPV 0x00000080
#define HSTATUS_SP2P 0x00000100
#define HSTATUS_SP2V 0x00000200

11
target/riscv/gdbstub.c
View File

@ -130,6 +130,8 @@ static int csr_register_map[] = {
CSR_MCAUSE,
CSR_MTVAL,
CSR_MIP,
CSR_MTINST,
CSR_MTVAL2,
CSR_PMPCFG0,
CSR_PMPCFG1,
CSR_PMPCFG2,
@ -252,12 +254,11 @@ static int csr_register_map[] = {
CSR_HEDELEG,
CSR_HIDELEG,
CSR_HIE,
CSR_HTVEC,
CSR_HSCRATCH,
CSR_HEPC,
CSR_HCAUSE,
CSR_HBADADDR,
CSR_HCOUNTEREN,
CSR_HTVAL,
CSR_HIP,
CSR_HTINST,
CSR_HGATP,
CSR_MBASE,
CSR_MBOUND,
CSR_MIBASE,