Hi again, I'm attaching the patch for review. It compiles fine for erc32,
though I couldn't test the samples (I don't have any sparc boards, and QEMU only
has leon3 and sun-4m).
I wrote to Amar about my write access but I didn't hear back from him.
Is there a way to check if my account exists using ssh? E.g. for sourceware
we have 'ssh sourceware.org alive'.
---
c/src/libchip/network/sonic.c | 24 +++++++++++-------------
1 file changed, 11 insertions(+), 13 deletions(-)
diff --git a/c/src/libchip/network/sonic.c b/c/src/libchip/network/sonic.c
index 1cd6cba..6e69b9e 100644
--- a/c/src/libchip/network/sonic.c
+++ b/c/src/libchip/network/sonic.c
@@ -826,19 +826,17 @@ SONIC_STATIC void sonic_rda_wait(
* driver has to move the RRP back *two* entries to
* reuse the receive buffer holding the giant packet.
*/
- for (i = 0 ; i < 2 ; i++) {
- if ((*sc->read_register)( rp, SONIC_REG_RRP ) ==
- (*sc->read_register)( rp, SONIC_REG_RSA ))
- (*sc->write_register)(
- rp,
- SONIC_REG_RRP,
- (*sc->read_register)( rp, SONIC_REG_REA )
- );
- (*sc->write_register)(
- rp,
- SONIC_REG_RRP,
- (*sc->read_register)(rp, SONIC_REG_RRP) -
sizeof(ReceiveResource_t)
- );
+ for (i = 0; i < 2; ++i) {
+ uint32_t rrp = (*sc->read_register)( rp, SONIC_REG_RRP );
+ const uint32_t rsa = (*sc->read_register)( rp, SONIC_REG_RSA );
+
+ if (rrp == rsa) {
+ const uint32_t rea = (*sc->read_register)( rp, SONIC_REG_REA );
+ (*sc->write_register)( rp, SONIC_REG_RRP, rea );
+ }
+
+ rrp = (*sc->read_register)(rp, SONIC_REG_RRP);
+ (*sc->write_register)( rp, SONIC_REG_RRP, rrp -
sizeof(ReceiveResource_t) );
}
/*
--
2.8.0
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