aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorPeter Maydell <peter.maydell@linaro.org>2022-01-11 17:10:44 +0000
committerPeter Maydell <peter.maydell@linaro.org>2022-01-20 11:47:53 +0000
commit508d36e42f5242f37957a5146d7fdd190929575d (patch)
tree8e693bff6451e6535a7c08caa170516e64eaa114
parent8cb379f939ca42b199f2e494a7211791b42d1c91 (diff)
hw/intc/arm_gicv3_its: Fix return codes in process_mapc()
Fix process_mapc() to consistently return CMD_STALL for memory errors and CMD_CONTINUE for parameter errors, as we claim in the comments that we do. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20220111171048.3545974-10-peter.maydell@linaro.org
-rw-r--r--hw/intc/arm_gicv3_its.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/hw/intc/arm_gicv3_its.c b/hw/intc/arm_gicv3_its.c
index 010779a9fd..80ef4dbcad 100644
--- a/hw/intc/arm_gicv3_its.c
+++ b/hw/intc/arm_gicv3_its.c
@@ -491,7 +491,6 @@ static ItsCmdResult process_mapc(GICv3ITSState *s, uint32_t offset)
uint64_t rdbase;
bool valid;
MemTxResult res = MEMTX_OK;
- ItsCmdResult result = CMD_STALL;
uint64_t value;
offset += NUM_BYTES_IN_DW;
@@ -501,7 +500,7 @@ static ItsCmdResult process_mapc(GICv3ITSState *s, uint32_t offset)
MEMTXATTRS_UNSPECIFIED, &res);
if (res != MEMTX_OK) {
- return result;
+ return CMD_STALL;
}
icid = value & ICID_MASK;
@@ -520,11 +519,10 @@ static ItsCmdResult process_mapc(GICv3ITSState *s, uint32_t offset)
* we ignore this command and move onto the next
* command in the queue
*/
- } else {
- result = update_cte(s, icid, valid, rdbase) ? CMD_CONTINUE : CMD_STALL;
+ return CMD_CONTINUE;
}
- return result;
+ return update_cte(s, icid, valid, rdbase) ? CMD_CONTINUE : CMD_STALL;
}
static bool update_dte(GICv3ITSState *s, uint32_t devid, bool valid,