在 2023/2/28 上午3:37, Richard Henderson 写道:
On 2/26/23 21:10, Song Gao wrote:
According to the 3A5000 manual 4.1 implement Chip Configuration
Version Register(0x0000). The manual does not state that 0x0018 is
reserved for the vendor name and 0x0028 is reserved for the chip name.
Signed-off-by: Song Gao <gaos...@loongson.cn>
---
target/loongarch/cpu.c | 2 ++
target/loongarch/cpu.h | 3 +++
2 files changed, 5 insertions(+)
diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c
index 290ab4d526..d1c803c9d6 100644
--- a/target/loongarch/cpu.c
+++ b/target/loongarch/cpu.c
@@ -545,6 +545,8 @@ static void loongarch_qemu_write(void *opaque,
hwaddr addr,
static uint64_t loongarch_qemu_read(void *opaque, hwaddr addr,
unsigned size)
{
switch (addr) {
+ case VERSION_REG:
+ return 0x11ULL;
This one is back in manual v1.03.
I can't find manual 4.1?
Oh, Chapter 4 Section 1. I will correct it.
+#define VENDOR_RESERVED_REG 0x18
+#define CPUNAME_RESERVED_REG 0x28
Since these are unused, perhaps omit them?
OK.
Thanks.
Song Gao
Either way,
Reviewed-by: Richard Henderson <richard.hender...@linaro.org>
r~
