diff options
Diffstat (limited to 'target-mips')
| -rw-r--r-- | target-mips/mips-semi.c | 44 |
1 files changed, 33 insertions, 11 deletions
diff --git a/target-mips/mips-semi.c b/target-mips/mips-semi.c index 6944e986b6..1162c76df9 100644 --- a/target-mips/mips-semi.c +++ b/target-mips/mips-semi.c @@ -72,6 +72,28 @@ enum UHIOpenFlags { UHIOpen_EXCL = 0x800 }; +/* Errno values taken from asm-mips/errno.h */ +static uint16_t host_to_mips_errno[] = { + [ENAMETOOLONG] = 78, +#ifdef EOVERFLOW + [EOVERFLOW] = 79, +#endif +#ifdef ELOOP + [ELOOP] = 90, +#endif +}; + +static int errno_mips(int err) +{ + if (err < 0 || err >= ARRAY_SIZE(host_to_mips_errno)) { + return EINVAL; + } else if (host_to_mips_errno[err]) { + return host_to_mips_errno[err]; + } else { + return err; + } +} + static int copy_stat_to_target(CPUMIPSState *env, const struct stat *src, target_ulong vaddr) { @@ -223,7 +245,7 @@ void helper_do_semihosting(CPUMIPSState *env) gpr[2] = 2; } else { gpr[2] = open(p, get_open_flags(gpr[5]), gpr[6]); - gpr[3] = errno; + gpr[3] = errno_mips(errno); } FREE_TARGET_STRING(p, gpr[4]); break; @@ -234,24 +256,24 @@ void helper_do_semihosting(CPUMIPSState *env) goto uhi_done; } gpr[2] = close(gpr[4]); - gpr[3] = errno; + gpr[3] = errno_mips(errno); break; case UHI_read: gpr[2] = read_from_file(env, gpr[4], gpr[5], gpr[6], 0); - gpr[3] = errno; + gpr[3] = errno_mips(errno); break; case UHI_write: gpr[2] = write_to_file(env, gpr[4], gpr[5], gpr[6], 0); - gpr[3] = errno; + gpr[3] = errno_mips(errno); break; case UHI_lseek: gpr[2] = lseek(gpr[4], gpr[5], gpr[6]); - gpr[3] = errno; + gpr[3] = errno_mips(errno); break; case UHI_unlink: GET_TARGET_STRING(p, gpr[4]); gpr[2] = remove(p); - gpr[3] = errno; + gpr[3] = errno_mips(errno); FREE_TARGET_STRING(p, gpr[4]); break; case UHI_fstat: @@ -259,12 +281,12 @@ void helper_do_semihosting(CPUMIPSState *env) struct stat sbuf; memset(&sbuf, 0, sizeof(sbuf)); gpr[2] = fstat(gpr[4], &sbuf); - gpr[3] = errno; + gpr[3] = errno_mips(errno); if (gpr[2]) { goto uhi_done; } gpr[2] = copy_stat_to_target(env, &sbuf, gpr[5]); - gpr[3] = errno; + gpr[3] = errno_mips(errno); } break; case UHI_argc: @@ -311,18 +333,18 @@ void helper_do_semihosting(CPUMIPSState *env) break; case UHI_pread: gpr[2] = read_from_file(env, gpr[4], gpr[5], gpr[6], gpr[7]); - gpr[3] = errno; + gpr[3] = errno_mips(errno); break; case UHI_pwrite: gpr[2] = write_to_file(env, gpr[4], gpr[5], gpr[6], gpr[7]); - gpr[3] = errno; + gpr[3] = errno_mips(errno); break; #ifndef _WIN32 case UHI_link: GET_TARGET_STRING(p, gpr[4]); GET_TARGET_STRING(p2, gpr[5]); gpr[2] = link(p, p2); - gpr[3] = errno; + gpr[3] = errno_mips(errno); FREE_TARGET_STRING(p2, gpr[5]); FREE_TARGET_STRING(p, gpr[4]); break; |