diff options
Diffstat (limited to 'hw/semihosting/arm-compat-semi.c')
| -rw-r--r-- | hw/semihosting/arm-compat-semi.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/hw/semihosting/arm-compat-semi.c b/hw/semihosting/arm-compat-semi.c index 93360e28c7..2e959aba08 100644 --- a/hw/semihosting/arm-compat-semi.c +++ b/hw/semihosting/arm-compat-semi.c @@ -1,10 +1,14 @@ /* - * Arm "Angel" semihosting syscalls + * Semihosting support for systems modeled on the Arm "Angel" + * semihosting syscalls design. * * Copyright (c) 2005, 2007 CodeSourcery. * Copyright (c) 2019 Linaro * Written by Paul Brook. * + * Copyright © 2020 by Keith Packard <keithp@keithp.com> + * Adapted for systems other than ARM, including RISC-V, by Keith Packard + * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or @@ -373,12 +377,12 @@ static target_ulong arm_gdb_syscall(ARMCPU *cpu, gdb_syscall_complete_cb cb, * do anything with its return value, because it is not necessarily * the result of the syscall, but could just be the old value of X0. * The only thing safe to do with this is that the callers of - * do_arm_semihosting() will write it straight back into X0. + * do_common_semihosting() will write it straight back into X0. * (In linux-user mode, the callback will have happened before * gdb_do_syscallv() returns.) * * We should tidy this up so neither this function nor - * do_arm_semihosting() return a value, so the mistake of + * do_common_semihosting() return a value, so the mistake of * doing something with the return value is not possible to make. */ @@ -675,10 +679,10 @@ static const GuestFDFunctions guestfd_fns[] = { * leave the register unchanged. We use 0xdeadbeef as the return value * when there isn't a defined return value for the call. */ -target_ulong do_arm_semihosting(CPUARMState *env) +target_ulong do_common_semihosting(CPUState *cs) { - ARMCPU *cpu = env_archcpu(env); - CPUState *cs = env_cpu(env); + ARMCPU *cpu = ARM_CPU(cs); + CPUARMState *env = &cpu->env; target_ulong args; target_ulong arg0, arg1, arg2, arg3; char * s; |