diff options
author | Mary Bennett <mary.bennett682@gmail.com> | 2024-05-30 16:06:58 +0100 |
---|---|---|
committer | Nelson Chu <nelson@rivosinc.com> | 2024-06-05 18:09:22 +0800 |
commit | b0f266f38b49c516ab0f95c638720073899446cc (patch) | |
tree | 1df960ffed13965cfc1272737d202f455ed56d64 /include/opcode | |
parent | 940da069b48980ce957dd4cc010a9a41e05d1553 (diff) | |
download | gdb-b0f266f38b49c516ab0f95c638720073899446cc.zip gdb-b0f266f38b49c516ab0f95c638720073899446cc.tar.gz gdb-b0f266f38b49c516ab0f95c638720073899446cc.tar.bz2 |
RISC-V: Add support for XCVbi extension in CV32E40P
Spec: https://docs.openhwgroup.org/projects/cv32e40p-user-manual/en/latest/instruction_set_extensions.html
Contributors:
Mary Bennett <mary.bennett682@gmail.com>
Nandni Jamnadas <nandni.jamnadas@embecosm.com>
Pietra Ferreira <pietra.ferreira@embecosm.com>
Charlie Keaney
Jessica Mills
Craig Blackmore <craig.blackmore@embecosm.com>
Simon Cook <simon.cook@embecosm.com>
Jeremy Bennett <jeremy.bennett@embecosm.com>
Helene Chelin <helene.chelin@embecosm.com>
Nazareno Bruschi <nazareno.bruschi@embecosm.com>
Lin Sinan
include/ChangeLog:
* opcode/riscv-opc.h: Add corresponding MATCH and MASK
macros for XCVbi.
* opcode/riscv.h: Add corresponding EXTRACT and ENCODE macros
for XCVbi.
(enum riscv_insn_class): Add the XCVbi instruction class.
gas/ChangeLog:
* config/tc-riscv.c (validate_riscv_insn): Add the necessary
operands for the extension.
(riscv_ip): Likewise.
* doc/c-riscv.texi: Note XCVbi as an additional ISA extension
for CORE-V.
* testsuite/gas/riscv/cv-bi-beqimm.d: New test.
* testsuite/gas/riscv/cv-bi-beqimm.s: New test.
* testsuite/gas/riscv/cv-bi-bneimm.d: New test.
* testsuite/gas/riscv/cv-bi-bneimm.s: New test.
* testsuite/gas/riscv/cv-bi-fail-march.d: New test.
* testsuite/gas/riscv/cv-bi-fail-march.l: New test.
* testsuite/gas/riscv/cv-bi-fail-march.s: New test.
* testsuite/gas/riscv/cv-bi-fail-operand-01.d: New test.
* testsuite/gas/riscv/cv-bi-fail-operand-01.l: New test.
* testsuite/gas/riscv/cv-bi-fail-operand-01.s: New test.
* testsuite/gas/riscv/cv-bi-fail-operand-02.d: New test.
* testsuite/gas/riscv/cv-bi-fail-operand-02.l: New test.
* testsuite/gas/riscv/cv-bi-fail-operand-02.s: New test.
* testsuite/gas/riscv/cv-bi-fail-operand-03.d: New test.
* testsuite/gas/riscv/cv-bi-fail-operand-03.l: New test.
* testsuite/gas/riscv/cv-bi-fail-operand-03.s: New test.
* testsuite/gas/riscv/march-help.l: Add xcvbi string.
include/ChangeLog:
* opcode/riscv-opc.h: Add corresponding MATCH and MASK
macros for XCVbi.
* opcode/riscv.h: Add corresponding EXTRACT and ENCODE macros
for XCVbi.
(enum riscv_insn_class): Add the XCVbi instruction class.
opcodes/ChangeLog:
* riscv-dis.c (print_insn_args): Add disassembly for new operand.
* riscv-opc.c: Add XCVbi instructions.
Diffstat (limited to 'include/opcode')
-rw-r--r-- | include/opcode/riscv-opc.h | 5 | ||||
-rw-r--r-- | include/opcode/riscv.h | 4 |
2 files changed, 9 insertions, 0 deletions
diff --git a/include/opcode/riscv-opc.h b/include/opcode/riscv-opc.h index 73d8c0c..0661565 100644 --- a/include/opcode/riscv-opc.h +++ b/include/opcode/riscv-opc.h @@ -2472,6 +2472,11 @@ /* Vendor-specific (CORE-V) Xcvelw instructions. */ #define MATCH_CV_ELW 0x600b #define MASK_CV_ELW 0x707f +/* Vendor-specific (CORE-V) Xcvbi instructions. */ +#define MATCH_CV_BNEIMM 0x700b +#define MASK_CV_BNEIMM 0x707f +#define MATCH_CV_BEQIMM 0x600b +#define MASK_CV_BEQIMM 0x707f /* Vendor-specific (T-Head) XTheadBa instructions. */ #define MATCH_TH_ADDSL 0x0000100b #define MASK_TH_ADDSL 0xf800707f diff --git a/include/opcode/riscv.h b/include/opcode/riscv.h index d210e70..f6e6dae 100644 --- a/include/opcode/riscv.h +++ b/include/opcode/riscv.h @@ -55,6 +55,7 @@ static inline unsigned int riscv_insn_length (insn_t insn) #define RV_X(x, s, n) (((x) >> (s)) & ((1 << (n)) - 1)) #define RV_IMM_SIGN(x) (-(((x) >> 31) & 1)) #define RV_X_SIGNED(x, s, n) (RV_X(x, s, n) | ((-(RV_X(x, (s + n - 1), 1))) << (n))) +#define RV_IMM_SIGN_N(x, s, n) (-(((x) >> ((s) + (n) - 1)) & 1)) #define EXTRACT_ITYPE_IMM(x) \ (RV_X(x, 20, 12) | (RV_IMM_SIGN(x) << 12)) @@ -119,6 +120,8 @@ static inline unsigned int riscv_insn_length (insn_t insn) (RV_X(x, 20, 5)) #define EXTRACT_CV_IS3_UIMM5(x) \ (RV_X(x, 25, 5)) +#define EXTRACT_CV_BI_IMM5(x) \ + (RV_X(x, 20, 5) | (RV_IMM_SIGN_N(x, 20, 5) << 5)) #define ENCODE_ITYPE_IMM(x) \ (RV_X(x, 0, 12) << 20) @@ -490,6 +493,7 @@ enum riscv_insn_class INSN_CLASS_XCVMAC, INSN_CLASS_XCVALU, INSN_CLASS_XCVELW, + INSN_CLASS_XCVBI, INSN_CLASS_XTHEADBA, INSN_CLASS_XTHEADBB, INSN_CLASS_XTHEADBS, |