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[v4,5/6] target/hppa: Set PC on vCPU reset

Message ID 20241231190620.24442-6-philmd@linaro.org
State New
Headers show
Series hppa CPU reset and speedup | expand

Commit Message

Philippe Mathieu-Daudé Dec. 31, 2024, 7:06 p.m. UTC 
From: Helge Deller <deller@gmx.de>

On reset:

  "The CPU begins fetching instructions from address 0xf0000004.
   This address is in PDC space."

Switch vCPUs to 32-bit mode (PSW_W bit is not set) and start
execution at address 0xf0000004.

Signed-off-by: Helge Deller <deller@gmx.de>
Co-developed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 target/hppa/cpu.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/target/hppa/cpu.c b/target/hppa/cpu.c
index dbd46842841..7278b7ca6b5 100644
--- a/target/hppa/cpu.c
+++ b/target/hppa/cpu.c
@@ -205,6 +205,7 @@  static void hppa_cpu_reset_hold(Object *obj, ResetType type)
     }
     cs->exception_index = -1;
     cs->halted = 0;
+    cpu_set_pc(cs, 0xf0000004);
 
     memset(env, 0, offsetof(CPUHPPAState, end_reset_fields));