diff mbox series

RISC-V: Add Smrnmi extension csrs support.

Message ID 20240920112212.347883-1-jiawei@iscas.ac.cn
State New
Headers
Series RISC-V: Add Smrnmi extension csrs support. |

Checks

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Commit Message

Jiawei Sept. 20, 2024, 11:22 a.m. UTC 
  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(+)

Comments

Jan Beulich Sept. 23, 2024, 6:28 a.m. UTC | #1 
On 20.09.2024 13:22, Jiawei wrote:
> 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.

As for any new extension that has support added, a reference to the spec
and status information would be nice to have here (if already there's no
real description of the change).

Jan
diff mbox series

Patch

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..dd893e6fb72 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]+:[ 	]+70002573[ 	]+csrr[ 	]+a0,mnstatus
+[ 	]+[0-9a-f]+:[ 	]+70059073[ 	]+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..597a53036b0 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]+:[ 	]+70002573[ 	]+csrr[ 	]+a0,mnstatus
+[ 	]+[0-9a-f]+:[ 	]+70059073[ 	]+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..cf70f8c0994 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]+:[ 	]+70002573[ 	]+csrr[ 	]+a0,mnstatus
+[ 	]+[0-9a-f]+:[ 	]+70059073[ 	]+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..7f6c74a3d86 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        0x700
 /* 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)