diff options
| -rw-r--r-- | sim/m68hc11/ChangeLog | 13 | ||||
| -rw-r--r-- | sim/m68hc11/dv-m68hc11.c | 23 | ||||
| -rw-r--r-- | sim/m68hc11/interp.c | 5 |
3 files changed, 40 insertions, 1 deletions
diff --git a/sim/m68hc11/ChangeLog b/sim/m68hc11/ChangeLog index 03f491f..a48fa5e 100644 --- a/sim/m68hc11/ChangeLog +++ b/sim/m68hc11/ChangeLog @@ -1,3 +1,16 @@ +2002-08-13 Stephane Carrez <stcarrez@nerim.fr> + + * dv-m68hc11.c (m68hc11cpu_io_read_buffer): Translate memory + bank window to some virtual address to read from extended memory. + (m68hc11cpu_io_write_buffer): Likewise for writing. + (attach_m68hc11_regs): When use_bank property is defined, attached + to the 68HC12 16K memory bank window. + +2002-08-13 Stephane Carrez <Stephane.Carrez@nerim.fr> + + * interp.c (sim_hw_configure): Create memory region for banked + memory. + 2002-08-13 Stephane Carrez <Stephane.Carrez@nerim.fr> * interp.c (sim_hw_configure): Connect port-X to cpu-write-port. diff --git a/sim/m68hc11/dv-m68hc11.c b/sim/m68hc11/dv-m68hc11.c index 49c33e3..669a045 100644 --- a/sim/m68hc11/dv-m68hc11.c +++ b/sim/m68hc11/dv-m68hc11.c @@ -321,6 +321,13 @@ attach_m68hc11_regs (struct hw *me, cpu->cpu_frequency = 8*1000*1000; } + if (hw_find_property (me, "use_bank") != NULL) + hw_attach_address (hw_parent (me), 0, + exec_map, + 0x08000, + 0x04000, + me); + cpu_mode = "expanded"; if (hw_find_property (me, "mode") != NULL) cpu_mode = hw_find_string_property (me, "mode"); @@ -836,6 +843,14 @@ m68hc11cpu_io_read_buffer (struct hw *me, sd = hw_system (me); cpu = STATE_CPU (sd, 0); + if (base >= 0x8000 && base < 0xc000) + { + address_word virt_addr = phys_to_virt (cpu, base); + if (virt_addr != base) + return sim_core_read_buffer (sd, cpu, space, dest, + virt_addr, nr_bytes); + } + /* Handle reads for the sub-devices. */ base -= controller->attach_address; result = sim_core_read_buffer (sd, cpu, @@ -1075,6 +1090,14 @@ m68hc11cpu_io_write_buffer (struct hw *me, sd = hw_system (me); cpu = STATE_CPU (sd, 0); + + if (base >= 0x8000 && base < 0xc000) + { + address_word virt_addr = phys_to_virt (cpu, base); + if (virt_addr != base) + return sim_core_write_buffer (sd, cpu, space, source, + virt_addr, nr_bytes); + } base -= controller->attach_address; result = sim_core_write_buffer (sd, cpu, io_map, source, base, nr_bytes); diff --git a/sim/m68hc11/interp.c b/sim/m68hc11/interp.c index eee7429..1f3b86f 100644 --- a/sim/m68hc11/interp.c +++ b/sim/m68hc11/interp.c @@ -242,11 +242,14 @@ sim_hw_configure (SIM_DESC sd) { /* Allocate core external memory. */ sim_do_commandf (sd, "memory region 0x%lx@%d,0x%lx", - 0x8000, M6811_RAM_LEVEL, 0x8000); + 0xC000, M6811_RAM_LEVEL, 0x4000); sim_do_commandf (sd, "memory region 0x000@%d,0x8000", M6811_RAM_LEVEL); + sim_do_commandf (sd, "memory region 0x01000000@%d,0x100000", + M6811_RAM_LEVEL); sim_hw_parse (sd, "/m68hc12/reg 0x0 0x3FF"); + sim_hw_parse (sd, "/m68hc12/use_bank 1"); } if (!hw_tree_find_property (device_tree, "/m68hc12/m68hc12sio@1/reg")) |