From: Bibo Mao <maob...@loongson.cn>
Loongson IPI is only available in little-endian,
so use that to access the guest memory (in case
we run on a big-endian host).
Cc: qemu-sta...@nongnu.org
Signed-off-by: Bibo Mao <maob...@loongson.cn>
Fixes: f6783e3438 ("hw/loongarch: Add LoongArch ipi interrupt support")
[PMD: Extracted from bigger commit, added commit description]
Co-Developed-by: Philippe Mathieu-Daudé <phi...@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <phi...@linaro.org>
Reviewed-by: Bibo Mao <maob...@loongson.cn>
Tested-by: Bibo Mao <maob...@loongson.cn>
Acked-by: Song Gao <gaos...@loongson.cn>
Reviewed-by: Richard Henderson <richard.hender...@linaro.org>
Reviewed-by: Jiaxun Yang <jiaxun.y...@flygoat.com>
Tested-by: Jiaxun Yang <jiaxun.y...@flygoat.com>
Message-Id: <20240718133312.10324-3-phi...@linaro.org>
(cherry picked from commit 2465c89fb983eed670007742bd68c7d91b6d6f85)
Signed-off-by: Michael Tokarev <m...@tls.msk.ru>
(Mjt: fixups for 7.2, for lack of:
v9.0.0-583-g91d0b151de4c "hw/intc/loongson_ipi: Implement IOCSR address space
for MIPS"
v9.0.0-582-gb4a12dfc2132 "hw/intc/loongarch_ipi: Rename as loongson_ipi"
v8.2.0-545-gfdd6ee0b7653 "hw/intc/loongarch_ipi: Use MemTxAttrs interface for
ipi ops")
diff --git a/hw/intc/loongarch_ipi.c b/hw/intc/loongarch_ipi.c
index 40e98af2ce..a4079e3732 100644
--- a/hw/intc/loongarch_ipi.c
+++ b/hw/intc/loongarch_ipi.c
@@ -12,6 +12,7 @@
#include "qapi/error.h"
#include "qemu/log.h"
#include "exec/address-spaces.h"
+#include "exec/memory.h"
#include "hw/loongarch/virt.h"
#include "migration/vmstate.h"
#include "target/loongarch/internals.h"
@@ -59,8 +60,8 @@ static void send_ipi_data(CPULoongArchState *env,
target_ulong val, target_ulong
* if the mask is 0, we need not to do anything.
*/
if ((val >> 27) & 0xf) {
- data = address_space_ldl(&env->address_space_iocsr, addr,
- MEMTXATTRS_UNSPECIFIED, NULL);
+ data = address_space_ldl_le(&env->address_space_iocsr, addr,
+ MEMTXATTRS_UNSPECIFIED, NULL);
for (i = 0; i < 4; i++) {
/* get mask for byte writing */
if (val & (0x1 << (27 + i))) {
@@ -71,8 +72,8 @@ static void send_ipi_data(CPULoongArchState *env,
target_ulong val, target_ulong
data &= mask;
data |= (val >> 32) & ~mask;
- address_space_stl(&env->address_space_iocsr, addr,
- data, MEMTXATTRS_UNSPECIFIED, NULL);
+ address_space_stl_le(&env->address_space_iocsr, addr,
+ data, MEMTXATTRS_UNSPECIFIED, NULL);
}
static void ipi_send(uint64_t val)
--
2.39.2
