From: Kevin Buettner Date: Thu, 30 Sep 2010 00:03:23 +0000 (+0000) Subject: * mem.c (rx_mem_ptr): When invalidating the decode cache, account X-Git-Tag: sid-snapshot-20101001~17 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e4dcb664155ce5754aa54b0ebc7095d780cbe2fc;p=platform%2Fupstream%2Fbinutils.git * mem.c (rx_mem_ptr): When invalidating the decode cache, account for the fact that the instruction decoder never uses swapped addresses. --- diff --git a/sim/rx/ChangeLog b/sim/rx/ChangeLog index 4da5965..8728ebf 100644 --- a/sim/rx/ChangeLog +++ b/sim/rx/ChangeLog @@ -1,3 +1,9 @@ +2010-09-29 Kevin Buettner + + * mem.c (rx_mem_ptr): When invalidating the decode cache, account + for the fact that the instruction decoder never uses swapped + addresses. + 2010-09-29 Nick Clifton * rx.c (decode_opcode: RXO_int): Only break out of the emulation diff --git a/sim/rx/mem.c b/sim/rx/mem.c index 7405518..3a976cb 100644 --- a/sim/rx/mem.c +++ b/sim/rx/mem.c @@ -104,13 +104,19 @@ rx_mem_ptr (unsigned long address, enum mem_ptr_action action) if (action == MPA_WRITING) { + int pto_dc; if (ptr[pt1][pt2][pto] == MC_PUSHED_PC) execution_error (SIM_ERR_CORRUPT_STACK, address); ptr[pt1][pt2][pto] = MC_DATA; - if (ptdc[pt1][pt2][pto]) + + /* The instruction decoder doesn't store it's decoded instructions + at word swapped addresses. Therefore, when clearing the decode + cache, we have to account for that here. */ + pto_dc = pto ^ (rx_big_endian ? 3 : 0); + if (ptdc[pt1][pt2][pto_dc]) { - free (ptdc[pt1][pt2][pto]); - ptdc[pt1][pt2][pto] = NULL; + free (ptdc[pt1][pt2][pto_dc]); + ptdc[pt1][pt2][pto_dc] = NULL; } }