From ea0869653a5cf383a427d499952d0ca52cc5de72 Mon Sep 17 00:00:00 2001 From: Andrew Cagney Date: Sun, 22 Jun 2003 13:38:28 +0000 Subject: [PATCH] 2003-06-22 Andrew Cagney * interp.c (xfer_mem): Simplify. Only do a single partial transfer. Problem reported by Tom Rix. --- sim/d10v/ChangeLog | 5 ++++ sim/d10v/interp.c | 62 +++++++++++++++++++--------------------------- 2 files changed, 31 insertions(+), 36 deletions(-) diff --git a/sim/d10v/ChangeLog b/sim/d10v/ChangeLog index 3256284ad41..f8e70a531c5 100644 --- a/sim/d10v/ChangeLog +++ b/sim/d10v/ChangeLog @@ -1,3 +1,8 @@ +2003-06-22 Andrew Cagney + + * interp.c (xfer_mem): Simplify. Only do a single partial + transfer. Problem reported by Tom Rix. + 2003-05-07 Andrew Cagney * interp.c (sim_d10v_translate_addr): Add "regcache" parameter. diff --git a/sim/d10v/interp.c b/sim/d10v/interp.c index 30239ab0247..284a4e144c4 100644 --- a/sim/d10v/interp.c +++ b/sim/d10v/interp.c @@ -720,49 +720,39 @@ xfer_mem (SIM_ADDR virt, int size, int write_p) { - int xfered = 0; - - while (0 < size) - { - uint8 *memory; - unsigned long phys; - int phys_size; - phys_size = sim_d10v_translate_addr (virt, size, &phys, NULL, - dmap_register, imap_register); - if (phys_size == 0) - return xfered; + uint8 *memory; + unsigned long phys; + int phys_size; + phys_size = sim_d10v_translate_addr (virt, size, &phys, NULL, + dmap_register, imap_register); + if (phys_size == 0) + return 0; - memory = map_memory (phys); + memory = map_memory (phys); #ifdef DEBUG - if ((d10v_debug & DEBUG_INSTRUCTION) != 0) - { - (*d10v_callback->printf_filtered) - (d10v_callback, - "sim_%s %d bytes: 0x%08lx (%s) -> 0x%08lx (%s) -> 0x%08lx (%s)\n", + if ((d10v_debug & DEBUG_INSTRUCTION) != 0) + { + (*d10v_callback->printf_filtered) + (d10v_callback, + "sim_%s %d bytes: 0x%08lx (%s) -> 0x%08lx (%s) -> 0x%08lx (%s)\n", (write_p ? "write" : "read"), - phys_size, virt, last_from, - phys, last_to, - (long) memory, last_segname); - } + phys_size, virt, last_from, + phys, last_to, + (long) memory, last_segname); + } #endif - if (write_p) - { - memcpy (memory, buffer, phys_size); - } - else - { - memcpy (buffer, memory, phys_size); - } - - virt += phys_size; - buffer += phys_size; - xfered += phys_size; - size -= phys_size; + if (write_p) + { + memcpy (memory, buffer, phys_size); } - - return xfered; + else + { + memcpy (buffer, memory, phys_size); + } + + return phys_size; } -- 2.30.2