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5836c3ecce
This change checks elf_flags for EF_RISCV_RVE and if present uses the RVE linux syscall ABI which uses t0 for the syscall number instead of a7. Warn and exit if a non-RVE ABI binary is run on a cpu with the RVE extension as it is incompatible. Cc: Palmer Dabbelt <palmer@sifive.com> Cc: Sagar Karandikar <sagark@eecs.berkeley.edu> Cc: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Cc: Alistair Francis <Alistair.Francis@wdc.com> Co-authored-by: Kito Cheng <kito.cheng@gmail.com> Co-authored-by: Michael Clark <mjc@sifive.com> Signed-off-by: Michael Clark <mjc@sifive.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Palmer Dabbelt <palmer@sifive.com> |
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