March 2021 Bump #1
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This caused it to collapse to 0, preventing coherence_torture from doing anything interesting at all...
Some simulators support semihosting feature to brigde syscall to host. The change keep the exit syscall and the arguments in the related registers. Signed-off-by: Chih-Min Chao <chihmin.chao@sifive.com>
1. mstatus.vs is similar to mstatus.fs but desiged for vector extension. 2. add mstatus.vs initialization macro. The macro also enables floating unit. Signed-off-by: Chih-Min Chao <chihmin.chao@sifive.com>
Ecall and vector
This isn't required for correctness, but it helps debugging (and, in a few restricted scenarios, it avoids x-prop issues). Closes #16
Don't make assumptions about delegatability in medeleg.
Signed-off-by: Chih-Min Chao <chihmin.chao@sifive.com>
Signed-off-by: Chih-Min Chao <chihmin.chao@sifive.com>
Signed-off-by: Chih-Min Chao <chihmin.chao@sifive.com>
1. add rtz rounding instructions 2. add vfslide instructions Signed-off-by: Chih-Min Chao <chihmin.chao@sifive.com>
riscv64-unknown-elf-gcc -march=rv32g -mabi=ilp32 -static -mcmodel=medany -fvisibility=hidden -nostdlib -nostartfiles -DENTROPY=0xf7930f7 -std=gnu99 -O2 -I/data/riscv/riscv-tools/riscv-tests/isa/../env/v -I/data/riscv/riscv-tools/riscv-tests/isa/macros/scalar -T/data/riscv/riscv-tools/riscv-tests/isa/../env/v/link.ld /data/riscv/riscv-tools/riscv-tests/isa/../env/v/entry.S /data/riscv/riscv-tools/riscv-tests/isa/../env/v/*.c rv32ui/simple.S -o rv32ui-v-simple /opt/riscv/lib/gcc/riscv64-unknown-elf/10.1.0/../../../../riscv64-unknown-elf/bin/ld: /tmp/cc8oFAkO.o: in function `tohost': (.tohost+0x0): multiple definition of `tohost'; /tmp/ccOTKaAa.o:(.sbss+0x10): first defined here /opt/riscv/lib/gcc/riscv64-unknown-elf/10.1.0/../../../../riscv64-unknown-elf/bin/ld: /tmp/cc8oFAkO.o: in function `fromhost': (.tohost+0x40): multiple definition of `fromhost'; /tmp/ccOTKaAa.o:(.sbss+0x8): first defined here collect2: error: ld returned 1 exit status /data/riscv/riscv-tools/riscv-tests/isa/Makefile:74: recipe for target 'rv32ui-v-simple' failed make[1]: *** [rv32ui-v-simple] Error 1 make[1]: Leaving directory '/data/riscv/riscv-tools/riscv-tests/isa' Makefile:28: recipe for target 'isa' failed make: *** [isa] Error 2 Signed-off-by: Zhi Yong Wu <zhiyong.wu@sophgo.com>
fix a building error
Unconditionally clear mie register while disabling interrupts.
The RISC-V Privileged ISA v1.10 uses satp instead of sptbr. Although GCC can cope with sptbr, clang cannot. It fails with: error: operand must be a valid system register name or an integer in the range [0, 4095] Modified the variable name in vm.c as well to ensure consistency and avoid possible confusion.
The RISC-V Privileged ISA v1.10 uses stval instead of sbadaddr. Although GCC can cope with sbadaddr, clang cannot. It fails with: error: operand must be a valid system register name or an integer in the range [0, 4095]
Minor clang-related fixes
… march2021-bump
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Part of the ucb-bar/chipyard#837.