diff options
| author | Cornelia Huck <cornelia.huck@de.ibm.com> | 2013-01-27 23:59:26 +0000 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2013-01-29 21:50:05 +0100 |
| commit | 50c8d9bfc6d9ca48b978c6201f97bd850bd0dc83 (patch) | |
| tree | 9a7fc2e9ac35cf8752e273dd17295c484c2ad50f /target-s390x/ioinst.c | |
| parent | 2e788490d83a4de5bea00207c8695edd5d487e4a (diff) | |
s390: Use s390_cpu_physical_memory_map for tpi.
Map the I/O interruption code before calling into css.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'target-s390x/ioinst.c')
| -rw-r--r-- | target-s390x/ioinst.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/target-s390x/ioinst.c b/target-s390x/ioinst.c index 4ef2d73a43..e3531f365e 100644 --- a/target-s390x/ioinst.c +++ b/target-s390x/ioinst.c @@ -619,16 +619,25 @@ int ioinst_handle_tpi(CPUS390XState *env, uint32_t ipb) { uint64_t addr; int lowcore; + IOIntCode *int_code; + hwaddr len, orig_len; + int ret; trace_ioinst("tpi"); addr = decode_basedisp_s(env, ipb); lowcore = addr ? 0 : 1; - if (addr < 8192) { - addr += env->psa; - } else if ((env->psa <= addr) && (addr < env->psa + 8192)) { - addr -= env->psa; + len = lowcore ? 8 /* two words */ : 12 /* three words */; + orig_len = len; + int_code = s390_cpu_physical_memory_map(env, addr, &len, 1); + if (!int_code || (len != orig_len)) { + program_interrupt(env, PGM_SPECIFICATION, 2); + ret = -EIO; + goto out; } - return css_do_tpi(addr, lowcore); + ret = css_do_tpi(int_code, lowcore); +out: + s390_cpu_physical_memory_unmap(env, int_code, len, 1); + return ret; } #define SCHM_REG1_RES(_reg) (_reg & 0x000000000ffffffc) |