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authorAlexander Graf <agraf@suse.de>2011-07-23 11:09:23 +0200
committerAlexander Graf <agraf@suse.de>2011-10-06 09:43:33 +0200
commit3ee82442c53e342883eb6f05b1776b05892e336f (patch)
treef1450a53806e65a01214bab509fe64396ae23466 /hw/openpic.c
parent9250fd24a98af75f196480a75aacf99291ef46a9 (diff)
PPC: MPIC: Remove read functionality for WO registers
The IPI dispatch registers are write only according to every MPIC spec I have found. So instead of pretending you could read back something from them, better not handle them at all. Reported-by: Elie Richa <richa@adacore.com> Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'hw/openpic.c')
-rw-r--r--hw/openpic.c7
1 files changed, 0 insertions, 7 deletions
diff --git a/hw/openpic.c b/hw/openpic.c
index 31ad1751fe..dfec52e2e2 100644
--- a/hw/openpic.c
+++ b/hw/openpic.c
@@ -952,13 +952,6 @@ static uint32_t openpic_cpu_read_internal(void *opaque, target_phys_addr_t addr,
case 0xB0: /* PEOI */
retval = 0;
break;
-#if MAX_IPI > 0
- case 0x40: /* IDE */
- case 0x50:
- idx = (addr - 0x40) >> 4;
- retval = read_IRQreg(opp, opp->irq_ipi0 + idx, IRQ_IDE);
- break;
-#endif
default:
break;
}