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List:       binutils
Subject:    [PATCH] RISC-V: add new mconfigptr CSR
From:       hasheddan via Binutils <binutils () sourceware ! org>
Date:       2021-12-30 23:03:32
Message-ID: 20211230230332.1160764-1-georgedanielmangum () gmail ! com
[Download RAW message or body]

Adds the new mconfigptr CSR, which, if non-zero, holds the physical
address of a configuration data structure.

Signed-off-by: hasheddan <georgedanielmangum@gmail.com>
---
 gas/testsuite/gas/riscv/csr-version-1p10.d  | 2 ++
 gas/testsuite/gas/riscv/csr-version-1p10.l  | 3 +++
 gas/testsuite/gas/riscv/csr-version-1p11.d  | 2 ++
 gas/testsuite/gas/riscv/csr-version-1p11.l  | 3 +++
 gas/testsuite/gas/riscv/csr-version-1p12.d  | 2 ++
 gas/testsuite/gas/riscv/csr-version-1p12.l  | 1 +
 gas/testsuite/gas/riscv/csr-version-1p9p1.d | 2 ++
 gas/testsuite/gas/riscv/csr-version-1p9p1.l | 3 +++
 gas/testsuite/gas/riscv/csr.s               | 1 +
 include/opcode/riscv-opc.h                  | 2 ++
 10 files changed, 21 insertions(+)

diff --git a/gas/testsuite/gas/riscv/csr-version-1p10.d b/gas/testsuite/gas/riscv/csr-version-1p10.d
index ee56ae31f0c..af3d498630d 100644
--- a/gas/testsuite/gas/riscv/csr-version-1p10.d
+++ b/gas/testsuite/gas/riscv/csr-version-1p10.d
@@ -185,6 +185,8 @@ Disassembly of section .text:
 [ 	]+[0-9a-f]+:[ 	]+f1359073[ 	]+csrw[ 	]+mimpid,a1
 [ 	]+[0-9a-f]+:[ 	]+f1402573[ 	]+csrr[ 	]+a0,mhartid
 [ 	]+[0-9a-f]+:[ 	]+f1459073[ 	]+csrw[ 	]+mhartid,a1
+[ 	]+[0-9a-f]+:[ 	]+f1502573[ 	]+csrr[ 	]+a0,0xf15
+[ 	]+[0-9a-f]+:[ 	]+f1559073[ 	]+csrw[ 	]+0xf15,a1
 [ 	]+[0-9a-f]+:[ 	]+30002573[ 	]+csrr[ 	]+a0,mstatus
 [ 	]+[0-9a-f]+:[ 	]+30059073[ 	]+csrw[ 	]+mstatus,a1
 [ 	]+[0-9a-f]+:[ 	]+30102573[ 	]+csrr[ 	]+a0,misa
diff --git a/gas/testsuite/gas/riscv/csr-version-1p10.l b/gas/testsuite/gas/riscv/csr-version-1p10.l
index ed6773e637c..cbeef8d2941 100644
--- a/gas/testsuite/gas/riscv/csr-version-1p10.l
+++ b/gas/testsuite/gas/riscv/csr-version-1p10.l
@@ -131,6 +131,9 @@
 .*Warning: read-only CSR is written `csrw marchid,a1'
 .*Warning: read-only CSR is written `csrw mimpid,a1'
 .*Warning: read-only CSR is written `csrw mhartid,a1'
+.*Warning: invalid CSR `mconfigptr' for the privileged spec `1.10'
+.*Warning: invalid CSR `mconfigptr' for the privileged spec `1.10'
+.*Warning: read-only CSR is written `csrw mconfigptr,a1'
 .*Warning: invalid CSR `pmpcfg1' for the current ISA
 .*Warning: invalid CSR `pmpcfg1' for the current ISA
 .*Warning: invalid CSR `pmpcfg3' for the current ISA
diff --git a/gas/testsuite/gas/riscv/csr-version-1p11.d b/gas/testsuite/gas/riscv/csr-version-1p11.d
index a1d8169d7f7..4971b9f3ba0 100644
--- a/gas/testsuite/gas/riscv/csr-version-1p11.d
+++ b/gas/testsuite/gas/riscv/csr-version-1p11.d
@@ -185,6 +185,8 @@ Disassembly of section .text:
 [ 	]+[0-9a-f]+:[ 	]+f1359073[ 	]+csrw[ 	]+mimpid,a1
 [ 	]+[0-9a-f]+:[ 	]+f1402573[ 	]+csrr[ 	]+a0,mhartid
 [ 	]+[0-9a-f]+:[ 	]+f1459073[ 	]+csrw[ 	]+mhartid,a1
+[ 	]+[0-9a-f]+:[ 	]+f1502573[ 	]+csrr[ 	]+a0,0xf15
+[ 	]+[0-9a-f]+:[ 	]+f1559073[ 	]+csrw[ 	]+0xf15,a1
 [ 	]+[0-9a-f]+:[ 	]+30002573[ 	]+csrr[ 	]+a0,mstatus
 [ 	]+[0-9a-f]+:[ 	]+30059073[ 	]+csrw[ 	]+mstatus,a1
 [ 	]+[0-9a-f]+:[ 	]+30102573[ 	]+csrr[ 	]+a0,misa
diff --git a/gas/testsuite/gas/riscv/csr-version-1p11.l b/gas/testsuite/gas/riscv/csr-version-1p11.l
index 44d9611fe49..73c34c6582e 100644
--- a/gas/testsuite/gas/riscv/csr-version-1p11.l
+++ b/gas/testsuite/gas/riscv/csr-version-1p11.l
@@ -131,6 +131,9 @@
 .*Warning: read-only CSR is written `csrw marchid,a1'
 .*Warning: read-only CSR is written `csrw mimpid,a1'
 .*Warning: read-only CSR is written `csrw mhartid,a1'
+.*Warning: invalid CSR `mconfigptr' for the privileged spec `1.11'
+.*Warning: invalid CSR `mconfigptr' for the privileged spec `1.11'
+.*Warning: read-only CSR is written `csrw mconfigptr,a1'
 .*Warning: invalid CSR `pmpcfg1' for the current ISA
 .*Warning: invalid CSR `pmpcfg1' for the current ISA
 .*Warning: invalid CSR `pmpcfg3' for the current ISA
diff --git a/gas/testsuite/gas/riscv/csr-version-1p12.d b/gas/testsuite/gas/riscv/csr-version-1p12.d
index c4c211829b2..2bf8429515c 100644
--- a/gas/testsuite/gas/riscv/csr-version-1p12.d
+++ b/gas/testsuite/gas/riscv/csr-version-1p12.d
@@ -185,6 +185,8 @@ Disassembly of section .text:
 [ 	]+[0-9a-f]+:[ 	]+f1359073[ 	]+csrw[ 	]+mimpid,a1
 [ 	]+[0-9a-f]+:[ 	]+f1402573[ 	]+csrr[ 	]+a0,mhartid
 [ 	]+[0-9a-f]+:[ 	]+f1459073[ 	]+csrw[ 	]+mhartid,a1
+[ 	]+[0-9a-f]+:[ 	]+f1502573[ 	]+csrr[ 	]+a0,mconfigptr
+[ 	]+[0-9a-f]+:[ 	]+f1559073[ 	]+csrw[ 	]+mconfigptr,a1
 [ 	]+[0-9a-f]+:[ 	]+30002573[ 	]+csrr[ 	]+a0,mstatus
 [ 	]+[0-9a-f]+:[ 	]+30059073[ 	]+csrw[ 	]+mstatus,a1
 [ 	]+[0-9a-f]+:[ 	]+30102573[ 	]+csrr[ 	]+a0,misa
diff --git a/gas/testsuite/gas/riscv/csr-version-1p12.l b/gas/testsuite/gas/riscv/csr-version-1p12.l
index 237cb8a1699..82103d0e7e7 100644
--- a/gas/testsuite/gas/riscv/csr-version-1p12.l
+++ b/gas/testsuite/gas/riscv/csr-version-1p12.l
@@ -131,6 +131,7 @@
 .*Warning: read-only CSR is written `csrw marchid,a1'
 .*Warning: read-only CSR is written `csrw mimpid,a1'
 .*Warning: read-only CSR is written `csrw mhartid,a1'
+.*Warning: read-only CSR is written `csrw mconfigptr,a1'
 .*Warning: invalid CSR `pmpcfg1' for the current ISA
 .*Warning: invalid CSR `pmpcfg1' for the current ISA
 .*Warning: invalid CSR `pmpcfg3' for the current ISA
diff --git a/gas/testsuite/gas/riscv/csr-version-1p9p1.d b/gas/testsuite/gas/riscv/csr-version-1p9p1.d
index 01e05ae4fbc..ffec248e527 100644
--- a/gas/testsuite/gas/riscv/csr-version-1p9p1.d
+++ b/gas/testsuite/gas/riscv/csr-version-1p9p1.d
@@ -185,6 +185,8 @@ Disassembly of section .text:
 [ 	]+[0-9a-f]+:[ 	]+f1359073[ 	]+csrw[ 	]+mimpid,a1
 [ 	]+[0-9a-f]+:[ 	]+f1402573[ 	]+csrr[ 	]+a0,mhartid
 [ 	]+[0-9a-f]+:[ 	]+f1459073[ 	]+csrw[ 	]+mhartid,a1
+[ 	]+[0-9a-f]+:[ 	]+f1502573[ 	]+csrr[ 	]+a0,0xf15
+[ 	]+[0-9a-f]+:[ 	]+f1559073[ 	]+csrw[ 	]+0xf15,a1
 [ 	]+[0-9a-f]+:[ 	]+30002573[ 	]+csrr[ 	]+a0,mstatus
 [ 	]+[0-9a-f]+:[ 	]+30059073[ 	]+csrw[ 	]+mstatus,a1
 [ 	]+[0-9a-f]+:[ 	]+30102573[ 	]+csrr[ 	]+a0,misa
diff --git a/gas/testsuite/gas/riscv/csr-version-1p9p1.l b/gas/testsuite/gas/riscv/csr-version-1p9p1.l
index 00d46f509de..62c560f5e91 100644
--- a/gas/testsuite/gas/riscv/csr-version-1p9p1.l
+++ b/gas/testsuite/gas/riscv/csr-version-1p9p1.l
@@ -139,6 +139,9 @@
 .*Warning: read-only CSR is written `csrw marchid,a1'
 .*Warning: read-only CSR is written `csrw mimpid,a1'
 .*Warning: read-only CSR is written `csrw mhartid,a1'
+.*Warning: invalid CSR `mconfigptr' for the privileged spec `1.9.1'
+.*Warning: invalid CSR `mconfigptr' for the privileged spec `1.9.1'
+.*Warning: read-only CSR is written `csrw mconfigptr,a1'
 .*Warning: invalid CSR `mcounteren' for the privileged spec `1.9.1'
 .*Warning: invalid CSR `mcounteren' for the privileged spec `1.9.1'
 .*Warning: invalid CSR `mtval' for the privileged spec `1.9.1'
diff --git a/gas/testsuite/gas/riscv/csr.s b/gas/testsuite/gas/riscv/csr.s
index 568328d70d9..e269868f2c5 100644
--- a/gas/testsuite/gas/riscv/csr.s
+++ b/gas/testsuite/gas/riscv/csr.s
@@ -106,6 +106,7 @@
 	csr marchid
 	csr mimpid
 	csr mhartid
+	csr mconfigptr		# Added in 1.12
 
 	# Machine Trap Setup
 	csr mstatus
diff --git a/include/opcode/riscv-opc.h b/include/opcode/riscv-opc.h
index 6ca2f8d9309..0accbf92916 100644
--- a/include/opcode/riscv-opc.h
+++ b/include/opcode/riscv-opc.h
@@ -2118,6 +2118,7 @@
 #define CSR_MARCHID 0xf12
 #define CSR_MIMPID 0xf13
 #define CSR_MHARTID 0xf14
+#define CSR_MCONFIGPTR 0xf15
 #define CSR_MSTATUS 0x300
 #define CSR_MISA 0x301
 #define CSR_MEDELEG 0x302
@@ -2719,6 +2720,7 @@ DECLARE_CSR(mvendorid, CSR_MVENDORID, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_S
 DECLARE_CSR(marchid, CSR_MARCHID, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
 DECLARE_CSR(mimpid, CSR_MIMPID, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
 DECLARE_CSR(mhartid, CSR_MHARTID, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
+DECLARE_CSR(mconfigptr, CSR_MCONFIGPTR, CSR_CLASS_I, PRIV_SPEC_CLASS_1P12, PRIV_SPEC_CLASS_DRAFT)
 DECLARE_CSR(mstatus, CSR_MSTATUS, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
 DECLARE_CSR(misa, CSR_MISA, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
 DECLARE_CSR(medeleg, CSR_MEDELEG, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-- 
2.25.1

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