[rtems commit] grlib: make memory coherency cpu-independent
Sebastian Huber
sebh at rtems.org
Tue Jan 22 11:53:19 UTC 2019
Module: rtems
Branch: master
Commit: c1dcd6af56b7174a1fabd421efbaf566cb997f8b
Changeset: http://git.rtems.org/rtems/commit/?id=c1dcd6af56b7174a1fabd421efbaf566cb997f8b
Author: Jiri Gaisler <jiri at gaisler.se>
Date: Mon Jan 21 11:27:07 2019 +0100
grlib: make memory coherency cpu-independent
Update #3678.
---
bsps/include/grlib/grlib_impl.h | 5 +++++
bsps/shared/grlib/spw/grspw.c | 2 +-
2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/bsps/include/grlib/grlib_impl.h b/bsps/include/grlib/grlib_impl.h
index dd6bcc6..e795e7f 100644
--- a/bsps/include/grlib/grlib_impl.h
+++ b/bsps/include/grlib/grlib_impl.h
@@ -121,6 +121,9 @@ RTEMS_INLINE_ROUTINE unsigned int grlib_read_uncached32(unsigned int address)
);
return tmp;
}
+
+#define GRLIB_DMA_IS_CACHE_COHERENT CPU_SPARC_HAS_SNOOPING
+
#else
static unsigned char __inline__ grlib_read_uncached8(unsigned int address)
@@ -140,6 +143,8 @@ RTEMS_INLINE_ROUTINE unsigned int grlib_read_uncached32(unsigned int address)
return tmp;
}
+#define GRLIB_DMA_IS_CACHE_COHERENT 1
+
#endif
extern struct ambapp_bus ambapp_plb;
diff --git a/bsps/shared/grlib/spw/grspw.c b/bsps/shared/grlib/spw/grspw.c
index 586bb25..2e1e8e9 100644
--- a/bsps/shared/grlib/spw/grspw.c
+++ b/bsps/shared/grlib/spw/grspw.c
@@ -1893,7 +1893,7 @@ static int grspw_hw_receive(GRSPW_DEV *pDev, char *b, int c) {
if (rxlen > c) {
rxlen = c;
}
- if (CPU_SPARC_HAS_SNOOPING) {
+ if (GRLIB_DMA_IS_CACHE_COHERENT) {
/* if ( 1 ) {*/
/*printf("RX_MEMCPY(0x%x, 0x%x, 0x%x)\n", (unsigned int)b, (unsigned int)(rxb+pDev->rxbufcur), (unsigned int)rxlen);*/
memcpy(b, rxb+pDev->rxbufcur, rxlen);
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