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-rw-r--r--bfd/elfxx-riscv.c1
-rw-r--r--gas/config/tc-riscv.c14
-rw-r--r--gas/testsuite/gas/riscv/csr-dw-regnums.d4
-rw-r--r--gas/testsuite/gas/riscv/csr-dw-regnums.s5
-rw-r--r--gas/testsuite/gas/riscv/csr-version-1p10.d8
-rw-r--r--gas/testsuite/gas/riscv/csr-version-1p10.l16
-rw-r--r--gas/testsuite/gas/riscv/csr-version-1p11.d8
-rw-r--r--gas/testsuite/gas/riscv/csr-version-1p11.l16
-rw-r--r--gas/testsuite/gas/riscv/csr-version-1p12.d8
-rw-r--r--gas/testsuite/gas/riscv/csr-version-1p12.l16
-rw-r--r--gas/testsuite/gas/riscv/csr-version-1p9p1.d8
-rw-r--r--gas/testsuite/gas/riscv/csr-version-1p9p1.l16
-rw-r--r--gas/testsuite/gas/riscv/csr.s6
-rw-r--r--include/opcode/riscv-opc.h10
14 files changed, 136 insertions, 0 deletions
diff --git a/bfd/elfxx-riscv.c b/bfd/elfxx-riscv.c
index 855501c..bf7dc20 100644
--- a/bfd/elfxx-riscv.c
+++ b/bfd/elfxx-riscv.c
@@ -1233,6 +1233,7 @@ static struct riscv_supported_ext riscv_supported_std_s_ext[] =
{
{"smstateen", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"sscofpmf", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
+ {"sstc", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"svinval", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{NULL, 0, 0, 0, 0}
};
diff --git a/gas/config/tc-riscv.c b/gas/config/tc-riscv.c
index 2f6180e..a0e8456 100644
--- a/gas/config/tc-riscv.c
+++ b/gas/config/tc-riscv.c
@@ -74,6 +74,10 @@ enum riscv_csr_class
CSR_CLASS_SMSTATEEN_AND_H_32, /* Smstateen RV32 only (with H) */
CSR_CLASS_SSCOFPMF, /* Sscofpmf only */
CSR_CLASS_SSCOFPMF_32, /* Sscofpmf RV32 only */
+ CSR_CLASS_SSTC, /* Sstc only */
+ CSR_CLASS_SSTC_AND_H, /* Sstc only (with H) */
+ CSR_CLASS_SSTC_32, /* Sstc RV32 only */
+ CSR_CLASS_SSTC_AND_H_32, /* Sstc RV32 only (with H) */
};
/* This structure holds all restricted conditions for a CSR. */
@@ -949,6 +953,16 @@ riscv_csr_address (const char *csr_name,
case CSR_CLASS_SSCOFPMF:
extension = "sscofpmf";
break;
+ case CSR_CLASS_SSTC:
+ case CSR_CLASS_SSTC_AND_H:
+ case CSR_CLASS_SSTC_32:
+ case CSR_CLASS_SSTC_AND_H_32:
+ is_rv32_only = (csr_class == CSR_CLASS_SSTC_32
+ || csr_class == CSR_CLASS_SSTC_AND_H_32);
+ is_h_required = (csr_class == CSR_CLASS_SSTC_AND_H
+ || csr_class == CSR_CLASS_SSTC_AND_H_32);
+ extension = "sstc";
+ break;
case CSR_CLASS_DEBUG:
break;
default:
diff --git a/gas/testsuite/gas/riscv/csr-dw-regnums.d b/gas/testsuite/gas/riscv/csr-dw-regnums.d
index 2f35329..b4b3806 100644
--- a/gas/testsuite/gas/riscv/csr-dw-regnums.d
+++ b/gas/testsuite/gas/riscv/csr-dw-regnums.d
@@ -363,6 +363,10 @@ Contents of the .* section:
DW_CFA_offset_extended_sf: r5949 \(mhpmevent29h\) at cfa\+7412
DW_CFA_offset_extended_sf: r5950 \(mhpmevent30h\) at cfa\+7416
DW_CFA_offset_extended_sf: r5951 \(mhpmevent31h\) at cfa\+7420
+ DW_CFA_offset_extended_sf: r4429 \(stimecmp\) at cfa\+1332
+ DW_CFA_offset_extended_sf: r4445 \(stimecmph\) at cfa\+1396
+ DW_CFA_offset_extended_sf: r4685 \(vstimecmp\) at cfa\+2356
+ DW_CFA_offset_extended_sf: r4701 \(vstimecmph\) at cfa\+2420
DW_CFA_offset_extended_sf: r4163 \(utval\) at cfa\+268
DW_CFA_offset_extended_sf: r4419 \(stval\) at cfa\+1292
DW_CFA_offset_extended_sf: r4480 \(satp\) at cfa\+1536
diff --git a/gas/testsuite/gas/riscv/csr-dw-regnums.s b/gas/testsuite/gas/riscv/csr-dw-regnums.s
index caac321..6cfa415 100644
--- a/gas/testsuite/gas/riscv/csr-dw-regnums.s
+++ b/gas/testsuite/gas/riscv/csr-dw-regnums.s
@@ -359,6 +359,11 @@ _start:
.cfi_offset mhpmevent29h, 7412
.cfi_offset mhpmevent30h, 7416
.cfi_offset mhpmevent31h, 7420
+ # Sstc extension
+ .cfi_offset stimecmp, 1332
+ .cfi_offset stimecmph, 1396
+ .cfi_offset vstimecmp, 2356
+ .cfi_offset vstimecmph, 2420
# dropped
.cfi_offset ubadaddr, 268 # aliases
.cfi_offset sbadaddr, 1292 # aliases
diff --git a/gas/testsuite/gas/riscv/csr-version-1p10.d b/gas/testsuite/gas/riscv/csr-version-1p10.d
index 90cc5dd..bd8b103 100644
--- a/gas/testsuite/gas/riscv/csr-version-1p10.d
+++ b/gas/testsuite/gas/riscv/csr-version-1p10.d
@@ -701,6 +701,14 @@ Disassembly of section .text:
[ ]+[0-9a-f]+:[ ]+73e59073[ ]+csrw[ ]+mhpmevent30h,a1
[ ]+[0-9a-f]+:[ ]+73f02573[ ]+csrr[ ]+a0,mhpmevent31h
[ ]+[0-9a-f]+:[ ]+73f59073[ ]+csrw[ ]+mhpmevent31h,a1
+[ ]+[0-9a-f]+:[ ]+14d02573[ ]+csrr[ ]+a0,stimecmp
+[ ]+[0-9a-f]+:[ ]+14d59073[ ]+csrw[ ]+stimecmp,a1
+[ ]+[0-9a-f]+:[ ]+15d02573[ ]+csrr[ ]+a0,stimecmph
+[ ]+[0-9a-f]+:[ ]+15d59073[ ]+csrw[ ]+stimecmph,a1
+[ ]+[0-9a-f]+:[ ]+24d02573[ ]+csrr[ ]+a0,vstimecmp
+[ ]+[0-9a-f]+:[ ]+24d59073[ ]+csrw[ ]+vstimecmp,a1
+[ ]+[0-9a-f]+:[ ]+25d02573[ ]+csrr[ ]+a0,vstimecmph
+[ ]+[0-9a-f]+:[ ]+25d59073[ ]+csrw[ ]+vstimecmph,a1
[ ]+[0-9a-f]+:[ ]+04302573[ ]+csrr[ ]+a0,utval
[ ]+[0-9a-f]+:[ ]+04359073[ ]+csrw[ ]+utval,a1
[ ]+[0-9a-f]+:[ ]+14302573[ ]+csrr[ ]+a0,stval
diff --git a/gas/testsuite/gas/riscv/csr-version-1p10.l b/gas/testsuite/gas/riscv/csr-version-1p10.l
index e4144b6..b778453 100644
--- a/gas/testsuite/gas/riscv/csr-version-1p10.l
+++ b/gas/testsuite/gas/riscv/csr-version-1p10.l
@@ -602,6 +602,22 @@
.*Warning: invalid CSR `mhpmevent31h', needs `sscofpmf' extension
.*Warning: invalid CSR `mhpmevent31h', needs rv32i extension
.*Warning: invalid CSR `mhpmevent31h', needs `sscofpmf' extension
+.*Warning: invalid CSR `stimecmp', needs `sstc' extension
+.*Warning: invalid CSR `stimecmp', needs `sstc' extension
+.*Warning: invalid CSR `stimecmph', needs rv32i extension
+.*Warning: invalid CSR `stimecmph', needs `sstc' extension
+.*Warning: invalid CSR `stimecmph', needs rv32i extension
+.*Warning: invalid CSR `stimecmph', needs `sstc' extension
+.*Warning: invalid CSR `vstimecmp', needs `h' extension
+.*Warning: invalid CSR `vstimecmp', needs `sstc' extension
+.*Warning: invalid CSR `vstimecmp', needs `h' extension
+.*Warning: invalid CSR `vstimecmp', needs `sstc' extension
+.*Warning: invalid CSR `vstimecmph', needs rv32i extension
+.*Warning: invalid CSR `vstimecmph', needs `h' extension
+.*Warning: invalid CSR `vstimecmph', needs `sstc' extension
+.*Warning: invalid CSR `vstimecmph', needs rv32i extension
+.*Warning: invalid CSR `vstimecmph', needs `h' extension
+.*Warning: invalid CSR `vstimecmph', needs `sstc' extension
.*Warning: invalid CSR `ubadaddr' for the privileged spec `1.10'
.*Warning: invalid CSR `ubadaddr' for the privileged spec `1.10'
.*Warning: invalid CSR `sbadaddr' for the privileged spec `1.10'
diff --git a/gas/testsuite/gas/riscv/csr-version-1p11.d b/gas/testsuite/gas/riscv/csr-version-1p11.d
index a85875a..5d63338 100644
--- a/gas/testsuite/gas/riscv/csr-version-1p11.d
+++ b/gas/testsuite/gas/riscv/csr-version-1p11.d
@@ -701,6 +701,14 @@ Disassembly of section .text:
[ ]+[0-9a-f]+:[ ]+73e59073[ ]+csrw[ ]+mhpmevent30h,a1
[ ]+[0-9a-f]+:[ ]+73f02573[ ]+csrr[ ]+a0,mhpmevent31h
[ ]+[0-9a-f]+:[ ]+73f59073[ ]+csrw[ ]+mhpmevent31h,a1
+[ ]+[0-9a-f]+:[ ]+14d02573[ ]+csrr[ ]+a0,stimecmp
+[ ]+[0-9a-f]+:[ ]+14d59073[ ]+csrw[ ]+stimecmp,a1
+[ ]+[0-9a-f]+:[ ]+15d02573[ ]+csrr[ ]+a0,stimecmph
+[ ]+[0-9a-f]+:[ ]+15d59073[ ]+csrw[ ]+stimecmph,a1
+[ ]+[0-9a-f]+:[ ]+24d02573[ ]+csrr[ ]+a0,vstimecmp
+[ ]+[0-9a-f]+:[ ]+24d59073[ ]+csrw[ ]+vstimecmp,a1
+[ ]+[0-9a-f]+:[ ]+25d02573[ ]+csrr[ ]+a0,vstimecmph
+[ ]+[0-9a-f]+:[ ]+25d59073[ ]+csrw[ ]+vstimecmph,a1
[ ]+[0-9a-f]+:[ ]+04302573[ ]+csrr[ ]+a0,utval
[ ]+[0-9a-f]+:[ ]+04359073[ ]+csrw[ ]+utval,a1
[ ]+[0-9a-f]+:[ ]+14302573[ ]+csrr[ ]+a0,stval
diff --git a/gas/testsuite/gas/riscv/csr-version-1p11.l b/gas/testsuite/gas/riscv/csr-version-1p11.l
index f4a57f2..78bae81 100644
--- a/gas/testsuite/gas/riscv/csr-version-1p11.l
+++ b/gas/testsuite/gas/riscv/csr-version-1p11.l
@@ -600,6 +600,22 @@
.*Warning: invalid CSR `mhpmevent31h', needs `sscofpmf' extension
.*Warning: invalid CSR `mhpmevent31h', needs rv32i extension
.*Warning: invalid CSR `mhpmevent31h', needs `sscofpmf' extension
+.*Warning: invalid CSR `stimecmp', needs `sstc' extension
+.*Warning: invalid CSR `stimecmp', needs `sstc' extension
+.*Warning: invalid CSR `stimecmph', needs rv32i extension
+.*Warning: invalid CSR `stimecmph', needs `sstc' extension
+.*Warning: invalid CSR `stimecmph', needs rv32i extension
+.*Warning: invalid CSR `stimecmph', needs `sstc' extension
+.*Warning: invalid CSR `vstimecmp', needs `h' extension
+.*Warning: invalid CSR `vstimecmp', needs `sstc' extension
+.*Warning: invalid CSR `vstimecmp', needs `h' extension
+.*Warning: invalid CSR `vstimecmp', needs `sstc' extension
+.*Warning: invalid CSR `vstimecmph', needs rv32i extension
+.*Warning: invalid CSR `vstimecmph', needs `h' extension
+.*Warning: invalid CSR `vstimecmph', needs `sstc' extension
+.*Warning: invalid CSR `vstimecmph', needs rv32i extension
+.*Warning: invalid CSR `vstimecmph', needs `h' extension
+.*Warning: invalid CSR `vstimecmph', needs `sstc' extension
.*Warning: invalid CSR `ubadaddr' for the privileged spec `1.11'
.*Warning: invalid CSR `ubadaddr' for the privileged spec `1.11'
.*Warning: invalid CSR `sbadaddr' for the privileged spec `1.11'
diff --git a/gas/testsuite/gas/riscv/csr-version-1p12.d b/gas/testsuite/gas/riscv/csr-version-1p12.d
index 60f19bf..728e647 100644
--- a/gas/testsuite/gas/riscv/csr-version-1p12.d
+++ b/gas/testsuite/gas/riscv/csr-version-1p12.d
@@ -701,6 +701,14 @@ Disassembly of section .text:
[ ]+[0-9a-f]+:[ ]+73e59073[ ]+csrw[ ]+mhpmevent30h,a1
[ ]+[0-9a-f]+:[ ]+73f02573[ ]+csrr[ ]+a0,mhpmevent31h
[ ]+[0-9a-f]+:[ ]+73f59073[ ]+csrw[ ]+mhpmevent31h,a1
+[ ]+[0-9a-f]+:[ ]+14d02573[ ]+csrr[ ]+a0,stimecmp
+[ ]+[0-9a-f]+:[ ]+14d59073[ ]+csrw[ ]+stimecmp,a1
+[ ]+[0-9a-f]+:[ ]+15d02573[ ]+csrr[ ]+a0,stimecmph
+[ ]+[0-9a-f]+:[ ]+15d59073[ ]+csrw[ ]+stimecmph,a1
+[ ]+[0-9a-f]+:[ ]+24d02573[ ]+csrr[ ]+a0,vstimecmp
+[ ]+[0-9a-f]+:[ ]+24d59073[ ]+csrw[ ]+vstimecmp,a1
+[ ]+[0-9a-f]+:[ ]+25d02573[ ]+csrr[ ]+a0,vstimecmph
+[ ]+[0-9a-f]+:[ ]+25d59073[ ]+csrw[ ]+vstimecmph,a1
[ ]+[0-9a-f]+:[ ]+04302573[ ]+csrr[ ]+a0,0x43
[ ]+[0-9a-f]+:[ ]+04359073[ ]+csrw[ ]+0x43,a1
[ ]+[0-9a-f]+:[ ]+14302573[ ]+csrr[ ]+a0,stval
diff --git a/gas/testsuite/gas/riscv/csr-version-1p12.l b/gas/testsuite/gas/riscv/csr-version-1p12.l
index 37522fa..cb026bb 100644
--- a/gas/testsuite/gas/riscv/csr-version-1p12.l
+++ b/gas/testsuite/gas/riscv/csr-version-1p12.l
@@ -462,6 +462,22 @@
.*Warning: invalid CSR `mhpmevent31h', needs `sscofpmf' extension
.*Warning: invalid CSR `mhpmevent31h', needs rv32i extension
.*Warning: invalid CSR `mhpmevent31h', needs `sscofpmf' extension
+.*Warning: invalid CSR `stimecmp', needs `sstc' extension
+.*Warning: invalid CSR `stimecmp', needs `sstc' extension
+.*Warning: invalid CSR `stimecmph', needs rv32i extension
+.*Warning: invalid CSR `stimecmph', needs `sstc' extension
+.*Warning: invalid CSR `stimecmph', needs rv32i extension
+.*Warning: invalid CSR `stimecmph', needs `sstc' extension
+.*Warning: invalid CSR `vstimecmp', needs `h' extension
+.*Warning: invalid CSR `vstimecmp', needs `sstc' extension
+.*Warning: invalid CSR `vstimecmp', needs `h' extension
+.*Warning: invalid CSR `vstimecmp', needs `sstc' extension
+.*Warning: invalid CSR `vstimecmph', needs rv32i extension
+.*Warning: invalid CSR `vstimecmph', needs `h' extension
+.*Warning: invalid CSR `vstimecmph', needs `sstc' extension
+.*Warning: invalid CSR `vstimecmph', needs rv32i extension
+.*Warning: invalid CSR `vstimecmph', needs `h' extension
+.*Warning: invalid CSR `vstimecmph', needs `sstc' extension
.*Warning: invalid CSR `ubadaddr' for the privileged spec `1.12'
.*Warning: invalid CSR `ubadaddr' for the privileged spec `1.12'
.*Warning: invalid CSR `sbadaddr' for the privileged spec `1.12'
diff --git a/gas/testsuite/gas/riscv/csr-version-1p9p1.d b/gas/testsuite/gas/riscv/csr-version-1p9p1.d
index e9eb8c0..a34b99f 100644
--- a/gas/testsuite/gas/riscv/csr-version-1p9p1.d
+++ b/gas/testsuite/gas/riscv/csr-version-1p9p1.d
@@ -701,6 +701,14 @@ Disassembly of section .text:
[ ]+[0-9a-f]+:[ ]+73e59073[ ]+csrw[ ]+mhpmevent30h,a1
[ ]+[0-9a-f]+:[ ]+73f02573[ ]+csrr[ ]+a0,mhpmevent31h
[ ]+[0-9a-f]+:[ ]+73f59073[ ]+csrw[ ]+mhpmevent31h,a1
+[ ]+[0-9a-f]+:[ ]+14d02573[ ]+csrr[ ]+a0,stimecmp
+[ ]+[0-9a-f]+:[ ]+14d59073[ ]+csrw[ ]+stimecmp,a1
+[ ]+[0-9a-f]+:[ ]+15d02573[ ]+csrr[ ]+a0,stimecmph
+[ ]+[0-9a-f]+:[ ]+15d59073[ ]+csrw[ ]+stimecmph,a1
+[ ]+[0-9a-f]+:[ ]+24d02573[ ]+csrr[ ]+a0,vstimecmp
+[ ]+[0-9a-f]+:[ ]+24d59073[ ]+csrw[ ]+vstimecmp,a1
+[ ]+[0-9a-f]+:[ ]+25d02573[ ]+csrr[ ]+a0,vstimecmph
+[ ]+[0-9a-f]+:[ ]+25d59073[ ]+csrw[ ]+vstimecmph,a1
[ ]+[0-9a-f]+:[ ]+04302573[ ]+csrr[ ]+a0,ubadaddr
[ ]+[0-9a-f]+:[ ]+04359073[ ]+csrw[ ]+ubadaddr,a1
[ ]+[0-9a-f]+:[ ]+14302573[ ]+csrr[ ]+a0,sbadaddr
diff --git a/gas/testsuite/gas/riscv/csr-version-1p9p1.l b/gas/testsuite/gas/riscv/csr-version-1p9p1.l
index 893f8c8..4fac40f 100644
--- a/gas/testsuite/gas/riscv/csr-version-1p9p1.l
+++ b/gas/testsuite/gas/riscv/csr-version-1p9p1.l
@@ -652,6 +652,22 @@
.*Warning: invalid CSR `mhpmevent31h', needs `sscofpmf' extension
.*Warning: invalid CSR `mhpmevent31h', needs rv32i extension
.*Warning: invalid CSR `mhpmevent31h', needs `sscofpmf' extension
+.*Warning: invalid CSR `stimecmp', needs `sstc' extension
+.*Warning: invalid CSR `stimecmp', needs `sstc' extension
+.*Warning: invalid CSR `stimecmph', needs rv32i extension
+.*Warning: invalid CSR `stimecmph', needs `sstc' extension
+.*Warning: invalid CSR `stimecmph', needs rv32i extension
+.*Warning: invalid CSR `stimecmph', needs `sstc' extension
+.*Warning: invalid CSR `vstimecmp', needs `h' extension
+.*Warning: invalid CSR `vstimecmp', needs `sstc' extension
+.*Warning: invalid CSR `vstimecmp', needs `h' extension
+.*Warning: invalid CSR `vstimecmp', needs `sstc' extension
+.*Warning: invalid CSR `vstimecmph', needs rv32i extension
+.*Warning: invalid CSR `vstimecmph', needs `h' extension
+.*Warning: invalid CSR `vstimecmph', needs `sstc' extension
+.*Warning: invalid CSR `vstimecmph', needs rv32i extension
+.*Warning: invalid CSR `vstimecmph', needs `h' extension
+.*Warning: invalid CSR `vstimecmph', needs `sstc' extension
.*Warning: invalid CSR `utval' for the privileged spec `1.9.1'
.*Warning: invalid CSR `utval' for the privileged spec `1.9.1'
.*Warning: invalid CSR `fflags', needs `f' extension
diff --git a/gas/testsuite/gas/riscv/csr.s b/gas/testsuite/gas/riscv/csr.s
index 2a72312..128aeb8 100644
--- a/gas/testsuite/gas/riscv/csr.s
+++ b/gas/testsuite/gas/riscv/csr.s
@@ -391,6 +391,12 @@
csr mhpmevent30h
csr mhpmevent31h
+ # Sstc extension
+ csr stimecmp
+ csr stimecmph
+ csr vstimecmp
+ csr vstimecmph
+
# Supported in previous priv spec, but dropped now
csr ubadaddr # 0x043 in 1.9.1, but the value is utval since 1.10
diff --git a/include/opcode/riscv-opc.h b/include/opcode/riscv-opc.h
index 8546a6e..88b8d7f 100644
--- a/include/opcode/riscv-opc.h
+++ b/include/opcode/riscv-opc.h
@@ -2484,6 +2484,11 @@
#define CSR_MHPMEVENT29H 0x73d
#define CSR_MHPMEVENT30H 0x73e
#define CSR_MHPMEVENT31H 0x73f
+/* Sstc extension */
+#define CSR_STIMECMP 0x14d
+#define CSR_STIMECMPH 0x15d
+#define CSR_VSTIMECMP 0x24d
+#define CSR_VSTIMECMPH 0x25d
/* Unprivileged Floating-Point CSR addresses. */
#define CSR_FFLAGS 0x1
#define CSR_FRM 0x2
@@ -3201,6 +3206,11 @@ DECLARE_CSR(mhpmevent28h, CSR_MHPMEVENT28H, CSR_CLASS_SSCOFPMF_32, PRIV_SPEC_CLA
DECLARE_CSR(mhpmevent29h, CSR_MHPMEVENT29H, CSR_CLASS_SSCOFPMF_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
DECLARE_CSR(mhpmevent30h, CSR_MHPMEVENT30H, CSR_CLASS_SSCOFPMF_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
DECLARE_CSR(mhpmevent31h, CSR_MHPMEVENT31H, CSR_CLASS_SSCOFPMF_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+/* Sstc extension */
+DECLARE_CSR(stimecmp, CSR_STIMECMP, CSR_CLASS_SSTC, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(stimecmph, CSR_STIMECMPH, CSR_CLASS_SSTC_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(vstimecmp, CSR_VSTIMECMP, CSR_CLASS_SSTC_AND_H, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(vstimecmph, CSR_VSTIMECMPH, CSR_CLASS_SSTC_AND_H_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
/* Dropped CSRs. */
DECLARE_CSR(mbase, CSR_MBASE, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_1P10)
DECLARE_CSR(mbound, CSR_MBOUND, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_1P10)