Merge remote-tracking branch 'remotes/mcayland/tags/qemu-sparc-20210207' into staging

qemu-sparc queue

# gpg: Signature made Sun 07 Feb 2021 22:09:12 GMT
# gpg:                using RSA key CC621AB98E82200D915CC9C45BC2C56FAE0F321F
# gpg:                issuer "mark.cave-ayland@ilande.co.uk"
# gpg: Good signature from "Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>" [full]
# Primary key fingerprint: CC62 1AB9 8E82 200D 915C  C9C4 5BC2 C56F AE0F 321F

* remotes/mcayland/tags/qemu-sparc-20210207:
  utils/fifo8: add VMSTATE_FIFO8_TEST macro
  utils/fifo8: change fatal errors from abort() to assert()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 4 insertions, 12 deletions

diff --git a/util/fifo8.c b/util/fifo8.c
index a5dd789ce5..d4d1c135e0 100644
--- a/util/fifo8.c
+++ b/util/fifo8.c
@@ -31,9 +31,7 @@ void fifo8_destroy(Fifo8 *fifo)
 
 void fifo8_push(Fifo8 *fifo, uint8_t data)
 {
-    if (fifo->num == fifo->capacity) {
-        abort();
-    }
+    assert(fifo->num < fifo->capacity);
     fifo->data[(fifo->head + fifo->num) % fifo->capacity] = data;
     fifo->num++;
 }
@@ -42,9 +40,7 @@ void fifo8_push_all(Fifo8 *fifo, const uint8_t *data, uint32_t num)
 {
     uint32_t start, avail;
 
-    if (fifo->num + num > fifo->capacity) {
-        abort();
-    }
+    assert(fifo->num + num <= fifo->capacity);
 
     start = (fifo->head + fifo->num) % fifo->capacity;
 
@@ -63,9 +59,7 @@ uint8_t fifo8_pop(Fifo8 *fifo)
 {
     uint8_t ret;
 
-    if (fifo->num == 0) {
-        abort();
-    }
+    assert(fifo->num > 0);
     ret = fifo->data[fifo->head++];
     fifo->head %= fifo->capacity;
     fifo->num--;
@@ -76,9 +70,7 @@ const uint8_t *fifo8_pop_buf(Fifo8 *fifo, uint32_t max, uint32_t *num)
 {
     uint8_t *ret;
 
-    if (max == 0 || max > fifo->num) {
-        abort();
-    }
+    assert(max > 0 && max <= fifo->num);
     *num = MIN(fifo->capacity - fifo->head, max);
     ret = &fifo->data[fifo->head];
     fifo->head += *num;