diff options
Diffstat (limited to 'sim/common/sim-core.c')
| -rw-r--r-- | sim/common/sim-core.c | 24 |
1 files changed, 3 insertions, 21 deletions
diff --git a/sim/common/sim-core.c b/sim/common/sim-core.c index 43e9076..724a036 100644 --- a/sim/common/sim-core.c +++ b/sim/common/sim-core.c @@ -157,10 +157,7 @@ new_sim_core_mapping (SIM_DESC sd, new_mapping->base = addr; new_mapping->nr_bytes = nr_bytes; new_mapping->bound = addr + (nr_bytes - 1); - if (modulo == 0) - new_mapping->mask = (unsigned) 0 - 1; - else - new_mapping->mask = modulo - 1; + new_mapping->mask = modulo - 1; new_mapping->buffer = buffer; new_mapping->free_buffer = free_buffer; new_mapping->device = device; @@ -298,17 +295,6 @@ sim_core_attach (SIM_DESC sd, if (cpu != NULL) sim_io_error (sd, "sim_core_map_attach - processor specific memory map not yet supported"); - /* verify modulo memory */ - if (!WITH_MODULO_MEMORY && modulo != 0) - { -#if (WITH_DEVICES) - device_error (client, "sim_core_attach - internal error - modulo memory disabled"); -#endif -#if (WITH_HW) - sim_hw_abort (sd, client, "sim_core_attach - internal error - modulo memory disabled"); -#endif - sim_io_error (sd, "sim_core_attach - internal error - modulo memory disabled"); - } if (client != NULL && modulo != 0) { #if (WITH_DEVICES) @@ -497,12 +483,8 @@ STATIC_INLINE_SIM_CORE\ sim_core_translate (sim_core_mapping *mapping, address_word addr) { - if (WITH_MODULO_MEMORY) - return (void *)((unsigned8 *) mapping->buffer - + ((addr - mapping->base) & mapping->mask)); - else - return (void *)((unsigned8 *) mapping->buffer - + addr - mapping->base); + return (void *)((unsigned8 *) mapping->buffer + + ((addr - mapping->base) & mapping->mask)); } |