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[Qemu-devel] [PATCH-for-4.1 v6 1/3] hw/ssi/xilinx_spips: Convert lqspi_r
From: |
Philippe Mathieu-Daudé |
Subject: |
[Qemu-devel] [PATCH-for-4.1 v6 1/3] hw/ssi/xilinx_spips: Convert lqspi_read() to read_with_attrs |
Date: |
Tue, 9 Jul 2019 14:32:38 +0200 |
In the next commit we will implement the write_with_attrs()
handler. To avoid using different APIs, convert the read()
handler first.
Reviewed-by: Francisco Iglesias <address@hidden>
Tested-by: Francisco Iglesias <address@hidden>
Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
---
v4: Do not ignore lqspi_read() return value (Francisco)
---
hw/ssi/xilinx_spips.c | 23 +++++++++++------------
1 file changed, 11 insertions(+), 12 deletions(-)
diff --git a/hw/ssi/xilinx_spips.c b/hw/ssi/xilinx_spips.c
index 8115bb6d46..b7c7275dbe 100644
--- a/hw/ssi/xilinx_spips.c
+++ b/hw/ssi/xilinx_spips.c
@@ -1202,27 +1202,26 @@ static void lqspi_load_cache(void *opaque, hwaddr addr)
}
}
-static uint64_t
-lqspi_read(void *opaque, hwaddr addr, unsigned int size)
+static MemTxResult lqspi_read(void *opaque, hwaddr addr, uint64_t *value,
+ unsigned size, MemTxAttrs attrs)
{
- XilinxQSPIPS *q = opaque;
- uint32_t ret;
+ XilinxQSPIPS *q = XILINX_QSPIPS(opaque);
if (addr >= q->lqspi_cached_addr &&
addr <= q->lqspi_cached_addr + LQSPI_CACHE_SIZE - 4) {
uint8_t *retp = &q->lqspi_buf[addr - q->lqspi_cached_addr];
- ret = cpu_to_le32(*(uint32_t *)retp);
- DB_PRINT_L(1, "addr: %08x, data: %08x\n", (unsigned)addr,
- (unsigned)ret);
- return ret;
- } else {
- lqspi_load_cache(opaque, addr);
- return lqspi_read(opaque, addr, size);
+ *value = cpu_to_le32(*(uint32_t *)retp);
+ DB_PRINT_L(1, "addr: %08" HWADDR_PRIx ", data: %08" PRIx64 "\n",
+ addr, *value);
+ return MEMTX_OK;
}
+
+ lqspi_load_cache(opaque, addr);
+ return lqspi_read(opaque, addr, value, size, attrs);
}
static const MemoryRegionOps lqspi_ops = {
- .read = lqspi_read,
+ .read_with_attrs = lqspi_read,
.endianness = DEVICE_NATIVE_ENDIAN,
.valid = {
.min_access_size = 1,
--
2.20.1
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- [Qemu-devel] [PATCH-for-4.1 v6 1/3] hw/ssi/xilinx_spips: Convert lqspi_read() to read_with_attrs,
Philippe Mathieu-Daudé <=