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[PULL,10/12] hw/hppa: Move software power button address to page zero

Message ID 20231113173237.48233-11-richard.henderson@linaro.org
State Accepted
Commit e274d2a777de168082b36a31b6b5ea2b9185e960
Headers show
Series [PULL,01/12] target/hppa: Mask reserved PSW bits in expand_sm_imm | expand

Commit Message

Richard Henderson Nov. 13, 2023, 5:32 p.m. UTC 
From: Helge Deller <deller@gmx.de>

Something appears to be off between the 64-bit CPU, the 32-bit PDC
(SeaBIOS-hppa firmware), and the 64-bit kernel in addressing the
power button address in high-mapped firmware memory.

Use a 32-bit value at PAGE0->pad0[4] instead.

Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 hw/hppa/machine.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/hw/hppa/machine.c b/hw/hppa/machine.c
index a3222d3a96..f7d9ce9b46 100644
--- a/hw/hppa/machine.c
+++ b/hw/hppa/machine.c
@@ -36,7 +36,8 @@ 
 
 #define MIN_SEABIOS_HPPA_VERSION 10 /* require at least this fw version */
 
-#define HPA_POWER_BUTTON (FIRMWARE_END - 0x10)
+/* Power button address at &PAGE0->pad[4] */
+#define HPA_POWER_BUTTON (0x40 + 4 * sizeof(uint32_t))
 
 #define enable_lasi_lan()       0