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* dv-m68hc11.c (m68hc11cpu_io_read_buffer): Translate memory

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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.
	* interp.c (sim_hw_configure): Create memory region for banked
	memory.
This commit is contained in:
Stephane Carrez 2002-08-13 08:38:09 +00:00
parent dcceded28a
commit 7230d80931
3 changed files with 40 additions and 1 deletions
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13
sim/m68hc11/ChangeLog
View File

@ -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.

23
sim/m68hc11/dv-m68hc11.c
View File

@ -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);

5
sim/m68hc11/interp.c
View File

@ -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"))