target/riscv/cpu.c | 4 + target/riscv/cpu.h | 14 + target/riscv/cpu_bits.h | 154 +++++++++ target/riscv/cpu_cfg.h | 2 + target/riscv/cpu_helper.c | 213 ++++++++++++ target/riscv/csr.c | 312 +++++++++++++++++- target/riscv/helper.h | 8 +- target/riscv/insn32.decode | 2 +- .../riscv/insn_trans/trans_privileged.c.inc | 21 +- target/riscv/insn_trans/trans_rvi.c.inc | 27 ++ target/riscv/op_helper.c | 117 ++++++- target/riscv/translate.c | 9 + 12 files changed, 870 insertions(+), 13 deletions(-)
This series enables Control Transfer Records extension support on riscv
platform. This extension is similar to Arch LBR in x86 and BRBE in ARM.
The Extension has been stable and the latest release can be found here [0]
CTR extension depends on couple of other extensions:
1. S[m|s]csrind : The indirect CSR extension [1] which defines additional
([M|S|VS]IREG2-[M|S|VS]IREG6) register to address size limitation of
RISC-V CSR address space. CTR access ctrsource, ctrtartget and ctrdata
CSRs using sscsrind extension.
2. Smstateen: The mstateen bit[54] controls the access to the CTR ext to
S-mode.
3. Sscofpmf: Counter overflow and privilege mode filtering. [2]
The series is based on Smcdeleg/Ssccfg counter delegation extension [3]
patches. CTR itself doesn't depend on counter delegation support. This
rebase is basically to include the Smcsrind patches.
Due to the dependency of these extensions, the following extensions must be
enabled to use the control transfer records feature.
"smstateen=true,sscofpmf=true,smcsrind=true,sscsrind=true,smctr=true,ssctr=true"
Here is the link to a quick guide [5] to setup and run a basic perf demo on
Linux to use CTR Ext.
The Qemu patches can be found here:
https://github.com/rajnesh-kanwal/qemu/tree/ctr_upstream
The opensbi patch can be found here:
https://github.com/rajnesh-kanwal/opensbi/tree/ctr_upstream
The Linux kernel patches can be found here:
https://github.com/rajnesh-kanwal/linux/tree/ctr_upstream
[0]: https://github.com/riscv/riscv-control-transfer-records/release
[1]: https://github.com/riscv/riscv-indirect-csr-access
[2]: https://github.com/riscvarchive/riscv-count-overflow/tree/main
[3]: https://github.com/riscv/riscv-smcdeleg-ssccfg
[4]: https://lore.kernel.org/all/20240217000134.3634191-1-atishp@rivosinc.com/
[5]: https://github.com/rajnesh-kanwal/linux/wiki/Running-CTR-basic-demo-on-QEMU-RISC%E2%80%90V-Virt-machine
Rajnesh Kanwal (6):
target/riscv: Remove obsolete sfence.vm instruction
target/riscv: Add Control Transfer Records CSR definitions.
target/riscv: Add support for Control Transfer Records extension CSRs.
target/riscv: Add support to record CTR entries.
target/riscv: Add CTR sctrclr instruction.
target/riscv: Add support to access ctrsource, ctrtarget, ctrdata
regs.
target/riscv/cpu.c | 4 +
target/riscv/cpu.h | 14 +
target/riscv/cpu_bits.h | 154 +++++++++
target/riscv/cpu_cfg.h | 2 +
target/riscv/cpu_helper.c | 213 ++++++++++++
target/riscv/csr.c | 312 +++++++++++++++++-
target/riscv/helper.h | 8 +-
target/riscv/insn32.decode | 2 +-
.../riscv/insn_trans/trans_privileged.c.inc | 21 +-
target/riscv/insn_trans/trans_rvi.c.inc | 27 ++
target/riscv/op_helper.c | 117 ++++++-
target/riscv/translate.c | 9 +
12 files changed, 870 insertions(+), 13 deletions(-)
--
2.34.1
Smctr depends on the Smcsrind extension, Ssctr depends on the Sscsrind extension, and both Smctr and Ssctr depend upon implementation of S-mode. There should be a dependency check in riscv_cpu_validate_set_extensions(). Rajnesh Kanwal 於 2024/5/30 上午 12:09 寫道: > This series enables Control Transfer Records extension support on riscv > platform. This extension is similar to Arch LBR in x86 and BRBE in ARM. > The Extension has been stable and the latest release can be found here [0] > > CTR extension depends on couple of other extensions: > > 1. S[m|s]csrind : The indirect CSR extension [1] which defines additional > ([M|S|VS]IREG2-[M|S|VS]IREG6) register to address size limitation of > RISC-V CSR address space. CTR access ctrsource, ctrtartget and ctrdata > CSRs using sscsrind extension. > > 2. Smstateen: The mstateen bit[54] controls the access to the CTR ext to > S-mode. > > 3. Sscofpmf: Counter overflow and privilege mode filtering. [2] > > The series is based on Smcdeleg/Ssccfg counter delegation extension [3] > patches. CTR itself doesn't depend on counter delegation support. This > rebase is basically to include the Smcsrind patches. > > Due to the dependency of these extensions, the following extensions must be > enabled to use the control transfer records feature. > > "smstateen=true,sscofpmf=true,smcsrind=true,sscsrind=true,smctr=true,ssctr=true" > > Here is the link to a quick guide [5] to setup and run a basic perf demo on > Linux to use CTR Ext. > > The Qemu patches can be found here: > https://github.com/rajnesh-kanwal/qemu/tree/ctr_upstream > > The opensbi patch can be found here: > https://github.com/rajnesh-kanwal/opensbi/tree/ctr_upstream > > The Linux kernel patches can be found here: > https://github.com/rajnesh-kanwal/linux/tree/ctr_upstream > > [0]:https://github.com/riscv/riscv-control-transfer-records/release > [1]:https://github.com/riscv/riscv-indirect-csr-access > [2]:https://github.com/riscvarchive/riscv-count-overflow/tree/main > [3]:https://github.com/riscv/riscv-smcdeleg-ssccfg > [4]:https://lore.kernel.org/all/20240217000134.3634191-1-atishp@rivosinc.com/ > [5]:https://github.com/rajnesh-kanwal/linux/wiki/Running-CTR-basic-demo-on-QEMU-RISC%E2%80%90V-Virt-machine > > Rajnesh Kanwal (6): > target/riscv: Remove obsolete sfence.vm instruction > target/riscv: Add Control Transfer Records CSR definitions. > target/riscv: Add support for Control Transfer Records extension CSRs. > target/riscv: Add support to record CTR entries. > target/riscv: Add CTR sctrclr instruction. > target/riscv: Add support to access ctrsource, ctrtarget, ctrdata > regs. > > target/riscv/cpu.c | 4 + > target/riscv/cpu.h | 14 + > target/riscv/cpu_bits.h | 154 +++++++++ > target/riscv/cpu_cfg.h | 2 + > target/riscv/cpu_helper.c | 213 ++++++++++++ > target/riscv/csr.c | 312 +++++++++++++++++- > target/riscv/helper.h | 8 +- > target/riscv/insn32.decode | 2 +- > .../riscv/insn_trans/trans_privileged.c.inc | 21 +- > target/riscv/insn_trans/trans_rvi.c.inc | 27 ++ > target/riscv/op_helper.c | 117 ++++++- > target/riscv/translate.c | 9 + > 12 files changed, 870 insertions(+), 13 deletions(-) >
There is no dependency on Smcsrind, only Sscsrind. On Tue, Jun 4, 2024 at 12:29 AM Jason Chien <jason.chien@sifive.com> wrote: > Smctr depends on the Smcsrind extension, Ssctr depends on the Sscsrind > extension, and both Smctr and Ssctr depend upon implementation of S-mode. > There should be a dependency check in riscv_cpu_validate_set_extensions(). > > Rajnesh Kanwal 於 2024/5/30 上午 12:09 寫道: > > This series enables Control Transfer Records extension support on riscv > > platform. This extension is similar to Arch LBR in x86 and BRBE in ARM. > > The Extension has been stable and the latest release can be found here > [0] > > > > CTR extension depends on couple of other extensions: > > > > 1. S[m|s]csrind : The indirect CSR extension [1] which defines additional > > ([M|S|VS]IREG2-[M|S|VS]IREG6) register to address size limitation of > > RISC-V CSR address space. CTR access ctrsource, ctrtartget and > ctrdata > > CSRs using sscsrind extension. > > > > 2. Smstateen: The mstateen bit[54] controls the access to the CTR ext to > > S-mode. > > > > 3. Sscofpmf: Counter overflow and privilege mode filtering. [2] > > > > The series is based on Smcdeleg/Ssccfg counter delegation extension [3] > > patches. CTR itself doesn't depend on counter delegation support. This > > rebase is basically to include the Smcsrind patches. > > > > Due to the dependency of these extensions, the following extensions must > be > > enabled to use the control transfer records feature. > > > > > "smstateen=true,sscofpmf=true,smcsrind=true,sscsrind=true,smctr=true,ssctr=true" > > > > Here is the link to a quick guide [5] to setup and run a basic perf demo > on > > Linux to use CTR Ext. > > > > The Qemu patches can be found here: > > https://github.com/rajnesh-kanwal/qemu/tree/ctr_upstream > > > > The opensbi patch can be found here: > > https://github.com/rajnesh-kanwal/opensbi/tree/ctr_upstream > > > > The Linux kernel patches can be found here: > > https://github.com/rajnesh-kanwal/linux/tree/ctr_upstream > > > > [0]:https://github.com/riscv/riscv-control-transfer-records/release > > [1]:https://github.com/riscv/riscv-indirect-csr-access > > [2]:https://github.com/riscvarchive/riscv-count-overflow/tree/main > > [3]:https://github.com/riscv/riscv-smcdeleg-ssccfg > > [4]: > https://lore.kernel.org/all/20240217000134.3634191-1-atishp@rivosinc.com/ > > [5]: > https://github.com/rajnesh-kanwal/linux/wiki/Running-CTR-basic-demo-on-QEMU-RISC%E2%80%90V-Virt-machine > > > > Rajnesh Kanwal (6): > > target/riscv: Remove obsolete sfence.vm instruction > > target/riscv: Add Control Transfer Records CSR definitions. > > target/riscv: Add support for Control Transfer Records extension CSRs. > > target/riscv: Add support to record CTR entries. > > target/riscv: Add CTR sctrclr instruction. > > target/riscv: Add support to access ctrsource, ctrtarget, ctrdata > > regs. > > > > target/riscv/cpu.c | 4 + > > target/riscv/cpu.h | 14 + > > target/riscv/cpu_bits.h | 154 +++++++++ > > target/riscv/cpu_cfg.h | 2 + > > target/riscv/cpu_helper.c | 213 ++++++++++++ > > target/riscv/csr.c | 312 +++++++++++++++++- > > target/riscv/helper.h | 8 +- > > target/riscv/insn32.decode | 2 +- > > .../riscv/insn_trans/trans_privileged.c.inc | 21 +- > > target/riscv/insn_trans/trans_rvi.c.inc | 27 ++ > > target/riscv/op_helper.c | 117 ++++++- > > target/riscv/translate.c | 9 + > > 12 files changed, 870 insertions(+), 13 deletions(-) > > >
Thank you for pointing that out. CTR does not use miselect and mireg*. There is no dependency on Smcsrind. I believe the spec needs to be corrected. Chapter 1 states that: Smctr depends on the Smcsrind extension, while Ssctr depends on the Sscsrind extension. Further, both Smctr and Ssctr depend upon implementation of S-mode. Beeman Strong 於 2024/6/5 上午 06:32 寫道: > There is no dependency on Smcsrind, only Sscsrind. > > On Tue, Jun 4, 2024 at 12:29 AM Jason Chien <jason.chien@sifive.com> > wrote: > > Smctr depends on the Smcsrind extension, Ssctr depends on the > Sscsrind > extension, and both Smctr and Ssctr depend upon implementation of > S-mode. > There should be a dependency check in > riscv_cpu_validate_set_extensions(). > > Rajnesh Kanwal 於 2024/5/30 上午 12:09 寫道: > > This series enables Control Transfer Records extension support > on riscv > > platform. This extension is similar to Arch LBR in x86 and BRBE > in ARM. > > The Extension has been stable and the latest release can be > found here [0] > > > > CTR extension depends on couple of other extensions: > > > > 1. S[m|s]csrind : The indirect CSR extension [1] which defines > additional > > ([M|S|VS]IREG2-[M|S|VS]IREG6) register to address size > limitation of > > RISC-V CSR address space. CTR access ctrsource, ctrtartget > and ctrdata > > CSRs using sscsrind extension. > > > > 2. Smstateen: The mstateen bit[54] controls the access to the > CTR ext to > > S-mode. > > > > 3. Sscofpmf: Counter overflow and privilege mode filtering. [2] > > > > The series is based on Smcdeleg/Ssccfg counter delegation > extension [3] > > patches. CTR itself doesn't depend on counter delegation > support. This > > rebase is basically to include the Smcsrind patches. > > > > Due to the dependency of these extensions, the following > extensions must be > > enabled to use the control transfer records feature. > > > > > "smstateen=true,sscofpmf=true,smcsrind=true,sscsrind=true,smctr=true,ssctr=true" > > > > Here is the link to a quick guide [5] to setup and run a basic > perf demo on > > Linux to use CTR Ext. > > > > The Qemu patches can be found here: > > https://github.com/rajnesh-kanwal/qemu/tree/ctr_upstream > > > > The opensbi patch can be found here: > > https://github.com/rajnesh-kanwal/opensbi/tree/ctr_upstream > > > > The Linux kernel patches can be found here: > > https://github.com/rajnesh-kanwal/linux/tree/ctr_upstream > > > > [0]:https://github.com/riscv/riscv-control-transfer-records/release > > [1]:https://github.com/riscv/riscv-indirect-csr-access > > [2]:https://github.com/riscvarchive/riscv-count-overflow/tree/main > > [3]:https://github.com/riscv/riscv-smcdeleg-ssccfg > > > [4]:https://lore.kernel.org/all/20240217000134.3634191-1-atishp@rivosinc.com/ > > > [5]:https://github.com/rajnesh-kanwal/linux/wiki/Running-CTR-basic-demo-on-QEMU-RISC%E2%80%90V-Virt-machine > > > > Rajnesh Kanwal (6): > > target/riscv: Remove obsolete sfence.vm instruction > > target/riscv: Add Control Transfer Records CSR definitions. > > target/riscv: Add support for Control Transfer Records > extension CSRs. > > target/riscv: Add support to record CTR entries. > > target/riscv: Add CTR sctrclr instruction. > > target/riscv: Add support to access ctrsource, ctrtarget, ctrdata > > regs. > > > > target/riscv/cpu.c | 4 + > > target/riscv/cpu.h | 14 + > > target/riscv/cpu_bits.h | 154 +++++++++ > > target/riscv/cpu_cfg.h | 2 + > > target/riscv/cpu_helper.c | 213 ++++++++++++ > > target/riscv/csr.c | 312 > +++++++++++++++++- > > target/riscv/helper.h | 8 +- > > target/riscv/insn32.decode | 2 +- > > .../riscv/insn_trans/trans_privileged.c.inc | 21 +- > > target/riscv/insn_trans/trans_rvi.c.inc | 27 ++ > > target/riscv/op_helper.c | 117 ++++++- > > target/riscv/translate.c | 9 + > > 12 files changed, 870 insertions(+), 13 deletions(-) > > >
Ah, good catch. We removed that dependency late. I'll fix it. On Tue, Jun 4, 2024 at 8:34 PM Jason Chien <jason.chien@sifive.com> wrote: > Thank you for pointing that out. CTR does not use miselect and mireg*. > There is no dependency on Smcsrind. I believe the spec needs to be > corrected. > > Chapter 1 states that: > Smctr depends on the Smcsrind extension, while Ssctr depends on the > Sscsrind extension. Further, both Smctr and Ssctr depend upon > implementation of S-mode. > Beeman Strong 於 2024/6/5 上午 06:32 寫道: > > There is no dependency on Smcsrind, only Sscsrind. > > On Tue, Jun 4, 2024 at 12:29 AM Jason Chien <jason.chien@sifive.com> > wrote: > >> Smctr depends on the Smcsrind extension, Ssctr depends on the Sscsrind >> extension, and both Smctr and Ssctr depend upon implementation of S-mode. >> There should be a dependency check in riscv_cpu_validate_set_extensions(). >> >> Rajnesh Kanwal 於 2024/5/30 上午 12:09 寫道: >> > This series enables Control Transfer Records extension support on riscv >> > platform. This extension is similar to Arch LBR in x86 and BRBE in ARM. >> > The Extension has been stable and the latest release can be found here >> [0] >> > >> > CTR extension depends on couple of other extensions: >> > >> > 1. S[m|s]csrind : The indirect CSR extension [1] which defines >> additional >> > ([M|S|VS]IREG2-[M|S|VS]IREG6) register to address size limitation of >> > RISC-V CSR address space. CTR access ctrsource, ctrtartget and >> ctrdata >> > CSRs using sscsrind extension. >> > >> > 2. Smstateen: The mstateen bit[54] controls the access to the CTR ext to >> > S-mode. >> > >> > 3. Sscofpmf: Counter overflow and privilege mode filtering. [2] >> > >> > The series is based on Smcdeleg/Ssccfg counter delegation extension [3] >> > patches. CTR itself doesn't depend on counter delegation support. This >> > rebase is basically to include the Smcsrind patches. >> > >> > Due to the dependency of these extensions, the following extensions >> must be >> > enabled to use the control transfer records feature. >> > >> > >> "smstateen=true,sscofpmf=true,smcsrind=true,sscsrind=true,smctr=true,ssctr=true" >> > >> > Here is the link to a quick guide [5] to setup and run a basic perf >> demo on >> > Linux to use CTR Ext. >> > >> > The Qemu patches can be found here: >> > https://github.com/rajnesh-kanwal/qemu/tree/ctr_upstream >> > >> > The opensbi patch can be found here: >> > https://github.com/rajnesh-kanwal/opensbi/tree/ctr_upstream >> > >> > The Linux kernel patches can be found here: >> > https://github.com/rajnesh-kanwal/linux/tree/ctr_upstream >> > >> > [0]:https://github.com/riscv/riscv-control-transfer-records/release >> > [1]:https://github.com/riscv/riscv-indirect-csr-access >> > [2]:https://github.com/riscvarchive/riscv-count-overflow/tree/main >> > [3]:https://github.com/riscv/riscv-smcdeleg-ssccfg >> > [4]: >> https://lore.kernel.org/all/20240217000134.3634191-1-atishp@rivosinc.com/ >> > [5]: >> https://github.com/rajnesh-kanwal/linux/wiki/Running-CTR-basic-demo-on-QEMU-RISC%E2%80%90V-Virt-machine >> > >> > Rajnesh Kanwal (6): >> > target/riscv: Remove obsolete sfence.vm instruction >> > target/riscv: Add Control Transfer Records CSR definitions. >> > target/riscv: Add support for Control Transfer Records extension >> CSRs. >> > target/riscv: Add support to record CTR entries. >> > target/riscv: Add CTR sctrclr instruction. >> > target/riscv: Add support to access ctrsource, ctrtarget, ctrdata >> > regs. >> > >> > target/riscv/cpu.c | 4 + >> > target/riscv/cpu.h | 14 + >> > target/riscv/cpu_bits.h | 154 +++++++++ >> > target/riscv/cpu_cfg.h | 2 + >> > target/riscv/cpu_helper.c | 213 ++++++++++++ >> > target/riscv/csr.c | 312 +++++++++++++++++- >> > target/riscv/helper.h | 8 +- >> > target/riscv/insn32.decode | 2 +- >> > .../riscv/insn_trans/trans_privileged.c.inc | 21 +- >> > target/riscv/insn_trans/trans_rvi.c.inc | 27 ++ >> > target/riscv/op_helper.c | 117 ++++++- >> > target/riscv/translate.c | 9 + >> > 12 files changed, 870 insertions(+), 13 deletions(-) >> > >> >
PR for the spec fix, in case anyone is interested. Found a couple of other references to Smcsrind that I also removed. https://github.com/riscv/riscv-control-transfer-records/pull/29 On Tue, Jun 4, 2024 at 8:41 PM Beeman Strong <beeman@rivosinc.com> wrote: > Ah, good catch. We removed that dependency late. I'll fix it. > > On Tue, Jun 4, 2024 at 8:34 PM Jason Chien <jason.chien@sifive.com> wrote: > >> Thank you for pointing that out. CTR does not use miselect and mireg*. >> There is no dependency on Smcsrind. I believe the spec needs to be >> corrected. >> >> Chapter 1 states that: >> Smctr depends on the Smcsrind extension, while Ssctr depends on the >> Sscsrind extension. Further, both Smctr and Ssctr depend upon >> implementation of S-mode. >> Beeman Strong 於 2024/6/5 上午 06:32 寫道: >> >> There is no dependency on Smcsrind, only Sscsrind. >> >> On Tue, Jun 4, 2024 at 12:29 AM Jason Chien <jason.chien@sifive.com> >> wrote: >> >>> Smctr depends on the Smcsrind extension, Ssctr depends on the Sscsrind >>> extension, and both Smctr and Ssctr depend upon implementation of S-mode. >>> There should be a dependency check in >>> riscv_cpu_validate_set_extensions(). >>> >>> Rajnesh Kanwal 於 2024/5/30 上午 12:09 寫道: >>> > This series enables Control Transfer Records extension support on riscv >>> > platform. This extension is similar to Arch LBR in x86 and BRBE in ARM. >>> > The Extension has been stable and the latest release can be found here >>> [0] >>> > >>> > CTR extension depends on couple of other extensions: >>> > >>> > 1. S[m|s]csrind : The indirect CSR extension [1] which defines >>> additional >>> > ([M|S|VS]IREG2-[M|S|VS]IREG6) register to address size limitation >>> of >>> > RISC-V CSR address space. CTR access ctrsource, ctrtartget and >>> ctrdata >>> > CSRs using sscsrind extension. >>> > >>> > 2. Smstateen: The mstateen bit[54] controls the access to the CTR ext >>> to >>> > S-mode. >>> > >>> > 3. Sscofpmf: Counter overflow and privilege mode filtering. [2] >>> > >>> > The series is based on Smcdeleg/Ssccfg counter delegation extension [3] >>> > patches. CTR itself doesn't depend on counter delegation support. This >>> > rebase is basically to include the Smcsrind patches. >>> > >>> > Due to the dependency of these extensions, the following extensions >>> must be >>> > enabled to use the control transfer records feature. >>> > >>> > >>> "smstateen=true,sscofpmf=true,smcsrind=true,sscsrind=true,smctr=true,ssctr=true" >>> > >>> > Here is the link to a quick guide [5] to setup and run a basic perf >>> demo on >>> > Linux to use CTR Ext. >>> > >>> > The Qemu patches can be found here: >>> > https://github.com/rajnesh-kanwal/qemu/tree/ctr_upstream >>> > >>> > The opensbi patch can be found here: >>> > https://github.com/rajnesh-kanwal/opensbi/tree/ctr_upstream >>> > >>> > The Linux kernel patches can be found here: >>> > https://github.com/rajnesh-kanwal/linux/tree/ctr_upstream >>> > >>> > [0]:https://github.com/riscv/riscv-control-transfer-records/release >>> > [1]:https://github.com/riscv/riscv-indirect-csr-access >>> > [2]:https://github.com/riscvarchive/riscv-count-overflow/tree/main >>> > [3]:https://github.com/riscv/riscv-smcdeleg-ssccfg >>> > [4]: >>> https://lore.kernel.org/all/20240217000134.3634191-1-atishp@rivosinc.com/ >>> > [5]: >>> https://github.com/rajnesh-kanwal/linux/wiki/Running-CTR-basic-demo-on-QEMU-RISC%E2%80%90V-Virt-machine >>> > >>> > Rajnesh Kanwal (6): >>> > target/riscv: Remove obsolete sfence.vm instruction >>> > target/riscv: Add Control Transfer Records CSR definitions. >>> > target/riscv: Add support for Control Transfer Records extension >>> CSRs. >>> > target/riscv: Add support to record CTR entries. >>> > target/riscv: Add CTR sctrclr instruction. >>> > target/riscv: Add support to access ctrsource, ctrtarget, ctrdata >>> > regs. >>> > >>> > target/riscv/cpu.c | 4 + >>> > target/riscv/cpu.h | 14 + >>> > target/riscv/cpu_bits.h | 154 +++++++++ >>> > target/riscv/cpu_cfg.h | 2 + >>> > target/riscv/cpu_helper.c | 213 ++++++++++++ >>> > target/riscv/csr.c | 312 >>> +++++++++++++++++- >>> > target/riscv/helper.h | 8 +- >>> > target/riscv/insn32.decode | 2 +- >>> > .../riscv/insn_trans/trans_privileged.c.inc | 21 +- >>> > target/riscv/insn_trans/trans_rvi.c.inc | 27 ++ >>> > target/riscv/op_helper.c | 117 ++++++- >>> > target/riscv/translate.c | 9 + >>> > 12 files changed, 870 insertions(+), 13 deletions(-) >>> > >>> >>
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