[PATCH v2] RISC-V: Add Smrnmi extension csrs.
Jiawei
jiawei@iscas.ac.cn
Mon Sep 23 08:35:08 GMT 2024
This patch support Smrnmi extension[1],
The csrs address can be find in[2].
[1] https://github.com/riscv/riscv-isa-manual/commit/35eb3948bf0b87c83fab5a7238bd68b6211faf62
[2] https://github.com/lily689/Risc-manual/blob/main/src/priv-csrs.adoc
Version log:
Update patch description info, Update 'mnstatus' address into '0x744'.
bfd/ChangeLog:
* elfxx-riscv.c: New extension.
gas/ChangeLog:
* NEWS: Add Smrnmi extension support.
* config/tc-riscv.c (enum riscv_csr_class): New extension class.
(riscv_csr_address): Ditto.
* testsuite/gas/riscv/csr-version-1p10.d: New csrs.
* testsuite/gas/riscv/csr-version-1p10.l: Ditto.
* testsuite/gas/riscv/csr-version-1p11.d: Ditto.
* testsuite/gas/riscv/csr-version-1p11.l: Ditto.
* testsuite/gas/riscv/csr-version-1p12.d: Ditto.
* testsuite/gas/riscv/csr-version-1p12.l: Ditto.
* testsuite/gas/riscv/csr.s: Ditto.
* testsuite/gas/riscv/march-help.l: New extension.
include/ChangeLog:
* opcode/riscv-opc.h (CSR_MNSCRATCH): New csr.
(CSR_MNEPC): Ditto.
(CSR_MNCAUSE): Ditto.
(CSR_MNSTATUS): Ditto.
(DECLARE_CSR): New csr declarations.
---
bfd/elfxx-riscv.c | 1 +
gas/NEWS | 2 ++
gas/config/tc-riscv.c | 4 ++++
gas/testsuite/gas/riscv/csr-version-1p10.d | 8 ++++++++
gas/testsuite/gas/riscv/csr-version-1p10.l | 16 ++++++++++++++++
gas/testsuite/gas/riscv/csr-version-1p11.d | 8 ++++++++
gas/testsuite/gas/riscv/csr-version-1p11.l | 16 ++++++++++++++++
gas/testsuite/gas/riscv/csr-version-1p12.d | 8 ++++++++
gas/testsuite/gas/riscv/csr-version-1p12.l | 16 ++++++++++++++++
gas/testsuite/gas/riscv/csr.s | 6 ++++++
gas/testsuite/gas/riscv/march-help.l | 1 +
include/opcode/riscv-opc.h | 10 ++++++++++
12 files changed, 96 insertions(+)
diff --git a/bfd/elfxx-riscv.c b/bfd/elfxx-riscv.c
index 64b7d71f2cb..26ec664d88a 100644
--- a/bfd/elfxx-riscv.c
+++ b/bfd/elfxx-riscv.c
@@ -1439,6 +1439,7 @@ static struct riscv_supported_ext riscv_supported_std_s_ext[] =
{"smcsrind", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"smcntrpmf", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"smepmp", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
+ {"smrnmi", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"smstateen", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"ssaia", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"ssccptr", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
diff --git a/gas/NEWS b/gas/NEWS
index 24055d2f5e9..ade7f728e95 100644
--- a/gas/NEWS
+++ b/gas/NEWS
@@ -3,6 +3,8 @@
* Add support for RISC-V Zcmp (cm.mva01s, cm.mvsa01) and CORE-V (xcvbitmanip,
xcvsimd) extensions with version 1.0.
+* Add support for RISC-V Smrnmi extension with version 1.0.
+
Changes in 2.43:
* Add support for LoongArch .option for fine-grained control of assembly
diff --git a/gas/config/tc-riscv.c b/gas/config/tc-riscv.c
index bf2020d656b..301607b0aad 100644
--- a/gas/config/tc-riscv.c
+++ b/gas/config/tc-riscv.c
@@ -81,6 +81,7 @@ enum riscv_csr_class
CSR_CLASS_SMCSRIND, /* Smcsrind */
CSR_CLASS_SMCNTRPMF, /* Smcntrpmf */
CSR_CLASS_SMCNTRPMF_32, /* Smcntrpmf, rv32 only */
+ CSR_CLASS_SMRNMI, /* Smrnmi */
CSR_CLASS_SMSTATEEN, /* Smstateen only */
CSR_CLASS_SMSTATEEN_32, /* Smstateen RV32 only */
CSR_CLASS_SSAIA, /* Ssaia */
@@ -1082,6 +1083,9 @@ riscv_csr_address (const char *csr_name,
need_check_version = true;
extension = "smcntrpmf";
break;
+ case CSR_CLASS_SMRNMI:
+ extension = "smrnmi";
+ break;
case CSR_CLASS_SMSTATEEN_32:
is_rv32_only = true;
/* Fall through. */
diff --git a/gas/testsuite/gas/riscv/csr-version-1p10.d b/gas/testsuite/gas/riscv/csr-version-1p10.d
index 5165f4bea0d..ce28f59fa74 100644
--- a/gas/testsuite/gas/riscv/csr-version-1p10.d
+++ b/gas/testsuite/gas/riscv/csr-version-1p10.d
@@ -645,6 +645,14 @@ Disassembly of section .text:
[ ]+[0-9a-f]+:[ ]+72159073[ ]+csrw[ ]+mcyclecfgh,a1
[ ]+[0-9a-f]+:[ ]+72202573[ ]+csrr[ ]+a0,minstretcfgh
[ ]+[0-9a-f]+:[ ]+72259073[ ]+csrw[ ]+minstretcfgh,a1
+[ ]+[0-9a-f]+:[ ]+74102573[ ]+csrr[ ]+a0,mnepc
+[ ]+[0-9a-f]+:[ ]+74159073[ ]+csrw[ ]+mnepc,a1
+[ ]+[0-9a-f]+:[ ]+74202573[ ]+csrr[ ]+a0,mncause
+[ ]+[0-9a-f]+:[ ]+74259073[ ]+csrw[ ]+mncause,a1
+[ ]+[0-9a-f]+:[ ]+74002573[ ]+csrr[ ]+a0,mnscratch
+[ ]+[0-9a-f]+:[ ]+74059073[ ]+csrw[ ]+mnscratch,a1
+[ ]+[0-9a-f]+:[ ]+74402573[ ]+csrr[ ]+a0,mnstatus
+[ ]+[0-9a-f]+:[ ]+74459073[ ]+csrw[ ]+mnstatus,a1
[ ]+[0-9a-f]+:[ ]+30c02573[ ]+csrr[ ]+a0,mstateen0
[ ]+[0-9a-f]+:[ ]+30c59073[ ]+csrw[ ]+mstateen0,a1
[ ]+[0-9a-f]+:[ ]+30d02573[ ]+csrr[ ]+a0,mstateen1
diff --git a/gas/testsuite/gas/riscv/csr-version-1p10.l b/gas/testsuite/gas/riscv/csr-version-1p10.l
index 17a8bb638e8..5f6a956af5f 100644
--- a/gas/testsuite/gas/riscv/csr-version-1p10.l
+++ b/gas/testsuite/gas/riscv/csr-version-1p10.l
@@ -941,6 +941,22 @@
.*Info: macro .*
.*Warning: invalid CSR `minstretcfgh', needs `smcntrpmf' extension
.*Info: macro .*
+.*Warning: invalid CSR `mnepc', needs `smrnmi' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mnepc', needs `smrnmi' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mncause', needs `smrnmi' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mncause', needs `smrnmi' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mnscratch', needs `smrnmi' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mnscratch', needs `smrnmi' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mnstatus', needs `smrnmi' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mnstatus', needs `smrnmi' extension
+.*Info: macro .*
.*Warning: invalid CSR `mstateen0', needs `smstateen' extension
.*Info: macro .*
.*Warning: invalid CSR `mstateen0', needs `smstateen' extension
diff --git a/gas/testsuite/gas/riscv/csr-version-1p11.d b/gas/testsuite/gas/riscv/csr-version-1p11.d
index 1cb5a917f1a..7bbcf33048e 100644
--- a/gas/testsuite/gas/riscv/csr-version-1p11.d
+++ b/gas/testsuite/gas/riscv/csr-version-1p11.d
@@ -645,6 +645,14 @@ Disassembly of section .text:
[ ]+[0-9a-f]+:[ ]+72159073[ ]+csrw[ ]+mcyclecfgh,a1
[ ]+[0-9a-f]+:[ ]+72202573[ ]+csrr[ ]+a0,minstretcfgh
[ ]+[0-9a-f]+:[ ]+72259073[ ]+csrw[ ]+minstretcfgh,a1
+[ ]+[0-9a-f]+:[ ]+74102573[ ]+csrr[ ]+a0,mnepc
+[ ]+[0-9a-f]+:[ ]+74159073[ ]+csrw[ ]+mnepc,a1
+[ ]+[0-9a-f]+:[ ]+74202573[ ]+csrr[ ]+a0,mncause
+[ ]+[0-9a-f]+:[ ]+74259073[ ]+csrw[ ]+mncause,a1
+[ ]+[0-9a-f]+:[ ]+74002573[ ]+csrr[ ]+a0,mnscratch
+[ ]+[0-9a-f]+:[ ]+74059073[ ]+csrw[ ]+mnscratch,a1
+[ ]+[0-9a-f]+:[ ]+74402573[ ]+csrr[ ]+a0,mnstatus
+[ ]+[0-9a-f]+:[ ]+74459073[ ]+csrw[ ]+mnstatus,a1
[ ]+[0-9a-f]+:[ ]+30c02573[ ]+csrr[ ]+a0,mstateen0
[ ]+[0-9a-f]+:[ ]+30c59073[ ]+csrw[ ]+mstateen0,a1
[ ]+[0-9a-f]+:[ ]+30d02573[ ]+csrr[ ]+a0,mstateen1
diff --git a/gas/testsuite/gas/riscv/csr-version-1p11.l b/gas/testsuite/gas/riscv/csr-version-1p11.l
index 8b797e8893e..412271ccdfd 100644
--- a/gas/testsuite/gas/riscv/csr-version-1p11.l
+++ b/gas/testsuite/gas/riscv/csr-version-1p11.l
@@ -937,6 +937,22 @@
.*Info: macro .*
.*Warning: invalid CSR `minstretcfgh', needs `smcntrpmf' extension
.*Info: macro .*
+.*Warning: invalid CSR `mnepc', needs `smrnmi' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mnepc', needs `smrnmi' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mncause', needs `smrnmi' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mncause', needs `smrnmi' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mnscratch', needs `smrnmi' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mnscratch', needs `smrnmi' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mnstatus', needs `smrnmi' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mnstatus', needs `smrnmi' extension
+.*Info: macro .*
.*Warning: invalid CSR `mstateen0', needs `smstateen' extension
.*Info: macro .*
.*Warning: invalid CSR `mstateen0', needs `smstateen' extension
diff --git a/gas/testsuite/gas/riscv/csr-version-1p12.d b/gas/testsuite/gas/riscv/csr-version-1p12.d
index ac88d9370f8..25518dc8646 100644
--- a/gas/testsuite/gas/riscv/csr-version-1p12.d
+++ b/gas/testsuite/gas/riscv/csr-version-1p12.d
@@ -645,6 +645,14 @@ Disassembly of section .text:
[ ]+[0-9a-f]+:[ ]+72159073[ ]+csrw[ ]+mcyclecfgh,a1
[ ]+[0-9a-f]+:[ ]+72202573[ ]+csrr[ ]+a0,minstretcfgh
[ ]+[0-9a-f]+:[ ]+72259073[ ]+csrw[ ]+minstretcfgh,a1
+[ ]+[0-9a-f]+:[ ]+74102573[ ]+csrr[ ]+a0,mnepc
+[ ]+[0-9a-f]+:[ ]+74159073[ ]+csrw[ ]+mnepc,a1
+[ ]+[0-9a-f]+:[ ]+74202573[ ]+csrr[ ]+a0,mncause
+[ ]+[0-9a-f]+:[ ]+74259073[ ]+csrw[ ]+mncause,a1
+[ ]+[0-9a-f]+:[ ]+74002573[ ]+csrr[ ]+a0,mnscratch
+[ ]+[0-9a-f]+:[ ]+74059073[ ]+csrw[ ]+mnscratch,a1
+[ ]+[0-9a-f]+:[ ]+74402573[ ]+csrr[ ]+a0,mnstatus
+[ ]+[0-9a-f]+:[ ]+74459073[ ]+csrw[ ]+mnstatus,a1
[ ]+[0-9a-f]+:[ ]+30c02573[ ]+csrr[ ]+a0,mstateen0
[ ]+[0-9a-f]+:[ ]+30c59073[ ]+csrw[ ]+mstateen0,a1
[ ]+[0-9a-f]+:[ ]+30d02573[ ]+csrr[ ]+a0,mstateen1
diff --git a/gas/testsuite/gas/riscv/csr-version-1p12.l b/gas/testsuite/gas/riscv/csr-version-1p12.l
index 81a7aba25c8..4848a68a8d9 100644
--- a/gas/testsuite/gas/riscv/csr-version-1p12.l
+++ b/gas/testsuite/gas/riscv/csr-version-1p12.l
@@ -661,6 +661,22 @@
.*Info: macro .*
.*Warning: invalid CSR `minstretcfgh', needs `smcntrpmf' extension
.*Info: macro .*
+.*Warning: invalid CSR `mnepc', needs `smrnmi' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mnepc', needs `smrnmi' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mncause', needs `smrnmi' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mncause', needs `smrnmi' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mnscratch', needs `smrnmi' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mnscratch', needs `smrnmi' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mnstatus', needs `smrnmi' extension
+.*Info: macro .*
+.*Warning: invalid CSR `mnstatus', needs `smrnmi' extension
+.*Info: macro .*
.*Warning: invalid CSR `mstateen0', needs `smstateen' extension
.*Info: macro .*
.*Warning: invalid CSR `mstateen0', needs `smstateen' extension
diff --git a/gas/testsuite/gas/riscv/csr.s b/gas/testsuite/gas/riscv/csr.s
index 378caef35b0..8378e14d07d 100644
--- a/gas/testsuite/gas/riscv/csr.s
+++ b/gas/testsuite/gas/riscv/csr.s
@@ -365,6 +365,12 @@
csr mcyclecfgh
csr minstretcfgh
+ # smrnmi
+ csr mnepc
+ csr mncause
+ csr mnscratch
+ csr mnstatus
+
# Smstateen/Ssstateen extensions
csr mstateen0
csr mstateen1
diff --git a/gas/testsuite/gas/riscv/march-help.l b/gas/testsuite/gas/riscv/march-help.l
index 0c33d1ee76d..003359242d0 100644
--- a/gas/testsuite/gas/riscv/march-help.l
+++ b/gas/testsuite/gas/riscv/march-help.l
@@ -114,6 +114,7 @@ All available -march extensions for RISC-V:
smcsrind 1.0
smcntrpmf 1.0
smepmp 1.0
+ smrnmi 1.0
smstateen 1.0
ssaia 1.0
ssccptr 1.0
diff --git a/include/opcode/riscv-opc.h b/include/opcode/riscv-opc.h
index 73ee81158ae..2209e1a48c1 100644
--- a/include/opcode/riscv-opc.h
+++ b/include/opcode/riscv-opc.h
@@ -4074,6 +4074,11 @@
#define CSR_MINSTRETCFG 0x322
#define CSR_MCYCLECFGH 0x721
#define CSR_MINSTRETCFGH 0x722
+/* Smrnmi extension. */
+#define CSR_MNSCRATCH 0x740
+#define CSR_MNEPC 0x741
+#define CSR_MNCAUSE 0x742
+#define CSR_MNSTATUS 0x744
/* Smstateen extension */
#define CSR_MSTATEEN0 0x30c
#define CSR_MSTATEEN1 0x30d
@@ -5172,6 +5177,11 @@ DECLARE_CSR(mcyclecfg, CSR_MCYCLECFG, CSR_CLASS_SMCNTRPMF, PRIV_SPEC_CLASS_1P10,
DECLARE_CSR(minstretcfg, CSR_MINSTRETCFG, CSR_CLASS_SMCNTRPMF, PRIV_SPEC_CLASS_1P10, PRIV_SPEC_CLASS_DRAFT)
DECLARE_CSR(mcyclecfgh, CSR_MCYCLECFGH, CSR_CLASS_SMCNTRPMF_32, PRIV_SPEC_CLASS_1P10, PRIV_SPEC_CLASS_DRAFT)
DECLARE_CSR(minstretcfgh, CSR_MINSTRETCFGH, CSR_CLASS_SMCNTRPMF_32, PRIV_SPEC_CLASS_1P10, PRIV_SPEC_CLASS_DRAFT)
+/* Smrnmi extensions. */
+DECLARE_CSR(mnepc, CSR_MNEPC, CSR_CLASS_SMRNMI, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mncause, CSR_MNCAUSE, CSR_CLASS_SMRNMI, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mnscratch, CSR_MNSCRATCH, CSR_CLASS_SMRNMI, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mnstatus, CSR_MNSTATUS, CSR_CLASS_SMRNMI, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
/* Smstateen/Ssstateen extensions. */
DECLARE_CSR(mstateen0, CSR_MSTATEEN0, CSR_CLASS_SMSTATEEN, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
DECLARE_CSR(mstateen1, CSR_MSTATEEN1, CSR_CLASS_SMSTATEEN, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
--
2.25.1
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