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| author | Bibo Mao <maobibo@loongson.cn> | 2024-07-16 23:41:23 +0200 |
|---|---|---|
| committer | Michael Tokarev <mjt@tls.msk.ru> | 2024-07-24 13:17:41 +0300 |
| commit | ca834bcc4da868bc8890fbe8bfc7f2648cd527fc (patch) | |
| tree | 6f5f659fec5c6151200bb4e918e11dd011eaf6b0 | |
| parent | 4d2e28bf2d22ddea9372839721cc6c33d2c526c7 (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 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")
| -rw-r--r-- | hw/intc/loongarch_ipi.c | 9 |
1 files changed, 5 insertions, 4 deletions
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) |