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authorBibo Mao <maobibo@loongson.cn>2024-07-16 23:41:23 +0200
committerMichael Tokarev <mjt@tls.msk.ru>2024-08-27 22:15:13 +0300
commit780a274406b9a074dbc8ee21ef1f02a520dea170 (patch)
tree6648476fc2f6ce55427c8343c02a5e863ccd341e /hw
parentd699ffd0eb29e07eb99e2149231b3915b633a0e9 (diff)
hw/intc/loongson_ipi: Access memory in little endian
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-stable@nongnu.org Signed-off-by: Bibo Mao <maobibo@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 <philmd@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Bibo Mao <maobibo@loongson.cn> Tested-by: Bibo Mao <maobibo@loongson.cn> Acked-by: Song Gao <gaosong@loongson.cn> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Tested-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Message-Id: <20240718133312.10324-3-philmd@linaro.org> (cherry picked from commit 2465c89fb983eed670007742bd68c7d91b6d6f85) Signed-off-by: Michael Tokarev <mjt@tls.msk.ru> (Mjt: fixups for 8.2, 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")
Diffstat (limited to 'hw')
-rw-r--r--hw/intc/loongarch_ipi.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/hw/intc/loongarch_ipi.c b/hw/intc/loongarch_ipi.c
index 67858b521c..55da9ca7f9 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"
@@ -61,8 +62,8 @@ static void send_ipi_data(CPULoongArchState *env, uint64_t val, hwaddr addr)
* 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))) {
@@ -73,8 +74,8 @@ static void send_ipi_data(CPULoongArchState *env, uint64_t val, hwaddr addr)
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 int archid_cmp(const void *a, const void *b)