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| /openbmc/qemu/target/riscv/ |
| H A D | cpu_user.h | diff 5836c3eccedb6dfab16b8f606f2de24b8938b69c Fri Mar 15 20:20:46 CDT 2019 Kito Cheng <kito.cheng@gmail.com> RISC-V: linux-user support for RVE ABI
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>
|
| H A D | cpu.h | diff 5836c3eccedb6dfab16b8f606f2de24b8938b69c Fri Mar 15 20:20:46 CDT 2019 Kito Cheng <kito.cheng@gmail.com> RISC-V: linux-user support for RVE ABI
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>
|
| /openbmc/qemu/linux-user/riscv/ |
| H A D | cpu_loop.c | diff 5836c3eccedb6dfab16b8f606f2de24b8938b69c Fri Mar 15 20:20:46 CDT 2019 Kito Cheng <kito.cheng@gmail.com> RISC-V: linux-user support for RVE ABI
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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