Commit c4d0ac3
committed
UNRATIFIED RISC-V: Add 'Sspmp' extension and its TENTATIVE CSRs
[DO NOT MERGE]
Until 'Sspmp' extension is frozen/ratified and final version number is
determined, this patch should not be merged upstream. This commit uses
unratified version 0.8 as in the documentation (instead of possible 1.0
after ratification).
This commit adds RISC-V S-mode Physical Memory Protection (SPMP) version
0.8 based on the specification:
<https://github.com/riscv/riscv-spmp/blob/c1e38ede20e4fe0a534ec7e8302c99b2a0a0ca72/rv-spmp-spec.pdf>
Note
Because CSR addresses are not fixed yet, this commit uses tentative
addresses (a part of custom CSR space).
bfd/ChangeLog:
* elfxx-riscv.c (riscv_implicit_subsets) Add implication 'Sspmp'
-> 'Zicsr'. (riscv_supported_std_s_ext): Add 'Sspmp' extension to
valid 'S' extension list.
gas/ChangeLog:
* config/tc-riscv.c (enum riscv_csr_class): Add CSR classes for
the 'Sspmp' extension. (riscv_csr_address): Add handling for new
CSR classes.
* testsuite/gas/riscv/csr-dw-regnums.d: Add new CSRs.
* testsuite/gas/riscv/csr-dw-regnums.s: Likewise.
* testsuite/gas/riscv/csr.s: Add new CSRs.
* testsuite/gas/riscv/csr-version-1p9p1.d: Likewise.
* testsuite/gas/riscv/csr-version-1p9p1.l: Likewise.
* testsuite/gas/riscv/csr-version-1p10.d: Likewise.
* testsuite/gas/riscv/csr-version-1p10.l: Likewise.
* testsuite/gas/riscv/csr-version-1p11.d: Likewise.
* testsuite/gas/riscv/csr-version-1p11.l: Likewise.
* testsuite/gas/riscv/csr-version-1p12.d: Likewise.
* testsuite/gas/riscv/csr-version-1p12.l: Likewise.
include/ChangeLog:
* opcode/riscv-opc.h (CSR_SPMPCFG0, CSR_SPMPCFG1, CSR_SPMPCFG2,
CSR_SPMPCFG3, CSR_SPMPCFG4, CSR_SPMPCFG5, CSR_SPMPCFG6,
CSR_SPMPCFG7, CSR_SPMPCFG8, CSR_SPMPCFG9, CSR_SPMPCFG10,
CSR_SPMPCFG11, CSR_SPMPCFG12, CSR_SPMPCFG13, CSR_SPMPCFG14,
CSR_SPMPCFG15, CSR_SPMPSWITCH0, CSR_SPMPSWITCH1, CSR_SPMPADDR0,
CSR_SPMPADDR1, CSR_SPMPADDR2, CSR_SPMPADDR3, CSR_SPMPADDR4,
CSR_SPMPADDR5, CSR_SPMPADDR6, CSR_SPMPADDR7, CSR_SPMPADDR8,
CSR_SPMPADDR9, CSR_SPMPADDR10, CSR_SPMPADDR11, CSR_SPMPADDR12,
CSR_SPMPADDR13, CSR_SPMPADDR14, CSR_SPMPADDR15, CSR_SPMPADDR16,
CSR_SPMPADDR17, CSR_SPMPADDR18, CSR_SPMPADDR19, CSR_SPMPADDR20,
CSR_SPMPADDR21, CSR_SPMPADDR22, CSR_SPMPADDR23, CSR_SPMPADDR24,
CSR_SPMPADDR25, CSR_SPMPADDR26, CSR_SPMPADDR27, CSR_SPMPADDR28,
CSR_SPMPADDR29, CSR_SPMPADDR30, CSR_SPMPADDR31, CSR_SPMPADDR32,
CSR_SPMPADDR33, CSR_SPMPADDR34, CSR_SPMPADDR35, CSR_SPMPADDR36,
CSR_SPMPADDR37, CSR_SPMPADDR38, CSR_SPMPADDR39, CSR_SPMPADDR40,
CSR_SPMPADDR41, CSR_SPMPADDR42, CSR_SPMPADDR43, CSR_SPMPADDR44,
CSR_SPMPADDR45, CSR_SPMPADDR46, CSR_SPMPADDR47, CSR_SPMPADDR48,
CSR_SPMPADDR49, CSR_SPMPADDR50, CSR_SPMPADDR51, CSR_SPMPADDR52,
CSR_SPMPADDR53, CSR_SPMPADDR54, CSR_SPMPADDR55, CSR_SPMPADDR56,
CSR_SPMPADDR57, CSR_SPMPADDR58, CSR_SPMPADDR59, CSR_SPMPADDR60,
CSR_SPMPADDR61, CSR_SPMPADDR62, CSR_SPMPADDR63): New.1 parent e7a881b commit c4d0ac3
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14 files changed
+2537
-0
lines changed- bfd
- gas
- config
- testsuite/gas/riscv
- include/opcode
14 files changed
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