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description: Using the vector instruction set to trigger
an illegal instruction exception when ARCH_SISCV_VECTOR=y.
analysis: When initializing the thread stack,
the rt_cw_stack_init function did not enable VS for SSTATUS.
Solution: When ARCH_SISCV_VECTOR=y,
increment the initial value of sstatus by 0x600(SSTATUS_VS).
Signed-off-by: Liu Gui <[email protected]>
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RISCV_S_MODE configuration only affects the code in
libcpu/risc-v/virt64, and the only bsp using this
libcpu is qemu-virt64-riscv.
Considering s-mode is the default mode RT-Thread
running on virt64 machine, it seems unnecessary to
make RISCV_S_MODE a Kconfig option.
Solution: Remove RISCV_S_MODE from Kconfig and define
it as a macro in the code in libcpu/risc-v/virt64.
Plus, due to this macro is only related to virt64, rename
RISCV_S_MODE to RISCV_VIRT64_S_MODE.
Update the .config/rtconfig.h in this patch.
Signed-off-by: Chen Wang <[email protected]>
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[libcpu]添加对riscv vector的支持
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* (fix) mmu: satp value should be 64-bit
Corrected the SATP register to ensure it uses the correct 64-bit format as required by the system architecture.
* use __asm__ instead of asm for the GNU C compiler
Co-authored-by: Shell <[email protected]>
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Co-authored-by: Shell <[email protected]>
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cpu is in exception (#9516)
Remove redundant '0x' from printed output
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Changes:
- create new folder name `common64` and save all common codes of rv64
inside
Signed-off-by: Shell <[email protected]>
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