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authorHelge Deller <deller@gmx.de>2024-02-02 22:53:08 +0100
committerHelge Deller <deller@gmx.de>2024-02-11 13:20:23 +0100
commitf2ffd6fb4059d22e18b23c2112419320345aeacf (patch)
tree3d724e44eaac1902c0be460a723e6c842a3941a3 /hw/misc
parentf410b688af8fa6b317c58dd1a11f2b3225d4a0ea (diff)
downloadfocaccia-qemu-f2ffd6fb4059d22e18b23c2112419320345aeacf.tar.gz
focaccia-qemu-f2ffd6fb4059d22e18b23c2112419320345aeacf.zip
lasi: allow access to LAN MAC address registers
Firmware and qemu reads and writes the MAC address for the LASI LAN via
registers in LASI. Allow those accesses and return zero even if LASI
LAN isn't enabled to avoid HPMCs (=crashes).

Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'hw/misc')
-rw-r--r--hw/misc/lasi.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/hw/misc/lasi.c b/hw/misc/lasi.c
index 003f5b5ed8..9cfa5bb316 100644
--- a/hw/misc/lasi.c
+++ b/hw/misc/lasi.c
@@ -38,6 +38,7 @@ static bool lasi_chip_mem_valid(void *opaque, hwaddr addr,
     case LASI_LPT:
     case LASI_UART:
     case LASI_LAN:
+    case LASI_LAN + 12: /* LASI LAN MAC */
     case LASI_RTC:
 
     case LASI_PCR ... LASI_AMR:
@@ -78,6 +79,7 @@ static MemTxResult lasi_chip_read_with_attrs(void *opaque, hwaddr addr,
     case LASI_LPT:
     case LASI_UART:
     case LASI_LAN:
+    case LASI_LAN + 12:
         val = 0;
         break;
     case LASI_RTC: