[v1] target/hppa: Enhancements and fixes

[PATCH 01/13] disas/hppa: Add disassembly for qemu specific instructions

Posted by deller@kernel.org 9 months, 3 weeks ago

From: Helge Deller <deller@gmx.de>

Add disassembly of opcodes for "HALT QEMU", "RESET QEMU" and
"RESTORE SHR" (restore shadow registers).

Signed-off-by: Helge Deller <deller@gmx.de>
---
 disas/hppa.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/disas/hppa.c b/disas/hppa.c
index cce4f4aa37..22dce9b41b 100644
--- a/disas/hppa.c
+++ b/disas/hppa.c
@@ -1609,6 +1609,10 @@ static const struct pa_opcode pa_opcodes[] =
 { "call",	0xe800a000, 0xffe0e000, "nW", pa10, FLAG_STRICT},
 { "ret",	0xe840d000, 0xfffffffd, "n", pa20, FLAG_STRICT},
 
+/* Opcodes assigned to QEMU, used by SeaBIOS firmware and Linux kernel */
+{ "HALT QEMU",	0xfffdead0, 0xfffffffd, "n", pa10, FLAG_STRICT},
+{ "RESET QEMU",	0xfffdead1, 0xfffffffd, "n", pa10, FLAG_STRICT},
+{ "RESTORE SHR",0xfffdead2, 0xfffffffd, "n", pa10, FLAG_STRICT},
 };
 
 #define NUMOPCODES ((sizeof pa_opcodes)/(sizeof pa_opcodes[0]))
-- 
2.43.0

Re: [PATCH 01/13] disas/hppa: Add disassembly for qemu specific instructions

Posted by Richard Henderson 9 months, 3 weeks ago

On 2/7/24 08:20, deller@kernel.org wrote:
> From: Helge Deller <deller@gmx.de>
> 
> Add disassembly of opcodes for "HALT QEMU", "RESET QEMU" and
> "RESTORE SHR" (restore shadow registers).
> 
> Signed-off-by: Helge Deller <deller@gmx.de>
> ---
>   disas/hppa.c | 4 ++++
>   1 file changed, 4 insertions(+)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~

> 
> diff --git a/disas/hppa.c b/disas/hppa.c
> index cce4f4aa37..22dce9b41b 100644
> --- a/disas/hppa.c
> +++ b/disas/hppa.c
> @@ -1609,6 +1609,10 @@ static const struct pa_opcode pa_opcodes[] =
>   { "call",	0xe800a000, 0xffe0e000, "nW", pa10, FLAG_STRICT},
>   { "ret",	0xe840d000, 0xfffffffd, "n", pa20, FLAG_STRICT},
>   
> +/* Opcodes assigned to QEMU, used by SeaBIOS firmware and Linux kernel */
> +{ "HALT QEMU",	0xfffdead0, 0xfffffffd, "n", pa10, FLAG_STRICT},
> +{ "RESET QEMU",	0xfffdead1, 0xfffffffd, "n", pa10, FLAG_STRICT},
> +{ "RESTORE SHR",0xfffdead2, 0xfffffffd, "n", pa10, FLAG_STRICT},
>   };
>   
>   #define NUMOPCODES ((sizeof pa_opcodes)/(sizeof pa_opcodes[0]))