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[PULL 02/68] linux-user/nios2: Fix clone child return
From: |
Richard Henderson |
Subject: |
[PULL 02/68] linux-user/nios2: Fix clone child return |
Date: |
Tue, 26 Apr 2022 11:18:01 -0700 |
The child side of clone needs to set the secondary
syscall return value, r7, to indicate syscall success.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-3-richard.henderson@linaro.org>
---
linux-user/nios2/target_cpu.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/linux-user/nios2/target_cpu.h b/linux-user/nios2/target_cpu.h
index 2d2008f002..830b4c0741 100644
--- a/linux-user/nios2/target_cpu.h
+++ b/linux-user/nios2/target_cpu.h
@@ -27,6 +27,7 @@ static inline void cpu_clone_regs_child(CPUNios2State *env,
target_ulong newsp,
env->regs[R_SP] = newsp;
}
env->regs[R_RET0] = 0;
+ env->regs[7] = 0;
}
static inline void cpu_clone_regs_parent(CPUNios2State *env, unsigned flags)
--
2.34.1
- [PULL 16/68] target/nios2: Split PC out of env->regs[], (continued)
- [PULL 16/68] target/nios2: Split PC out of env->regs[], Richard Henderson, 2022/04/26
- [PULL 07/68] linux-user/nios2: Use QEMU_ESIGRETURN from do_rt_sigreturn, Richard Henderson, 2022/04/26
- [PULL 12/68] linux-user/nios2: Use force_sig_fault for EXCP_DEBUG, Richard Henderson, 2022/04/26
- [PULL 26/68] target/nios2: Use hw/registerfields.h for CR_TLBADDR fields, Richard Henderson, 2022/04/26
- [PULL 22/68] target/nios2: Split control registers away from general registers, Richard Henderson, 2022/04/26
- [PULL 04/68] linux-user/nios2: Adjust error return, Richard Henderson, 2022/04/26
- [PULL 08/68] tests/tcg/nios2: Re-enable linux-user tests, Richard Henderson, 2022/04/26
- [PULL 11/68] target/nios2: Build helper.c for system only, Richard Henderson, 2022/04/26
- [PULL 17/68] target/nios2: Split out helper for eret instruction, Richard Henderson, 2022/04/26
- [PULL 03/68] linux-user/nios2: Drop syscall 0 "workaround", Richard Henderson, 2022/04/26
- [PULL 02/68] linux-user/nios2: Fix clone child return,
Richard Henderson <=
- [PULL 06/68] linux-user/nios2: Remove do_sigreturn, Richard Henderson, 2022/04/26
- [PULL 10/68] target/nios2: Remove nios2_cpu_record_sigsegv, Richard Henderson, 2022/04/26
- [PULL 13/68] target/nios2: Check supervisor on eret, Richard Henderson, 2022/04/26
- [PULL 14/68] target/nios2: Stop generating code if gen_check_supervisor fails, Richard Henderson, 2022/04/26
- [PULL 18/68] target/nios2: Fix BRET instruction, Richard Henderson, 2022/04/26
- [PULL 20/68] linux-user/nios2: Only initialize SP and PC in target_cpu_copy_regs, Richard Henderson, 2022/04/26
- [PULL 21/68] target/nios2: Remove cpu_interrupts_enabled, Richard Henderson, 2022/04/26
- [PULL 23/68] target/nios2: Clean up nios2_cpu_dump_state, Richard Henderson, 2022/04/26
- [PULL 25/68] target/nios2: Use hw/registerfields.h for CR_EXCEPTION fields, Richard Henderson, 2022/04/26
- [PULL 28/68] target/nios2: Rename CR_TLBMISC_WR to CR_TLBMISC_WE, Richard Henderson, 2022/04/26