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Preliminary support for 68HC12

This commit is contained in:
Stephane Carrez 2000-11-26 21:41:31 +00:00
parent ae3e85dd27
commit b93775f586
6 changed files with 29 additions and 16 deletions
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11
sim/m68hc11/ChangeLog
View File

@ -1,3 +1,14 @@
2000-11-26 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* dv-m68hc11.c (m68hc11cpu_io_read_buffer): Use attach_size
instead of a hard-coded value.
(m68hc11cpu_io_write_buffer): Likewise.
(dv_m68hc11_descriptor): Define a 68hc12 device.
* dv-m68hc11eepr.c (dv_m68hc11eepr_descriptor): Likewise.
* dv-m68hc11tim.c (dv_m68hc11tim_descriptor): Likewise.
* dv-m68hc11spi.c (dv_m68hc11spi_descriptor): Likewise.
* dv-m68hc11sio.c (dv_m68hc11sio_descriptor): Likewise.
2000-11-22 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* dv-m68hc11.c (attach_m68hc11_regs): Register a delete handler.

19
sim/m68hc11/dv-m68hc11.c
View File

@ -1,4 +1,4 @@
/* dv-m68hc11.c -- CPU 68HC11 as a device.
/* dv-m68hc11.c -- CPU 68HC11&68HC12 as a device.
Copyright (C) 1999, 2000 Free Software Foundation, Inc.
Written by Stephane Carrez (stcarrez@worldnet.fr)
(From a driver model Contributed by Cygnus Solutions.)
@ -26,12 +26,12 @@
/* DEVICE
m68hc11cpu - m68hc11 cpu virtual device
m68hc12cpu - m68hc12 cpu virtual device
DESCRIPTION
Implements the external m68hc11 functionality. This includes the
delivery of of interrupts generated from other devices and the
Implements the external m68hc11/68hc12 functionality. This includes
the delivery of of interrupts generated from other devices and the
handling of device specific registers.
@ -39,7 +39,7 @@
reg <base> <size>
Register base (should be 0x1000 0x03f).
Register base (should be 0x1000 0x03f for C11, 0x0000 0x3ff for HC12).
clock <hz>
@ -272,8 +272,6 @@ m68hc11cpu_finish (struct hw *me)
attach_m68hc11_regs (me, controller);
}
/* An event arrives on an interrupt port. */
static void
@ -442,7 +440,7 @@ m68hc11cpu_io_read_buffer (struct hw *me,
while (nr_bytes)
{
if (base >= 0x3F)
if (base >= controller->attach_size)
break;
memcpy (dest, &cpu->ios[base], 1);
@ -574,7 +572,7 @@ m68hc11cpu_io_write_buffer (struct hw *me,
while (nr_bytes)
{
uint8 val;
if (base >= 0x3F)
if (base >= controller->attach_size)
break;
val = *((uint8*) source);
@ -588,7 +586,8 @@ m68hc11cpu_io_write_buffer (struct hw *me,
}
const struct hw_descriptor dv_m68hc11_descriptor[] = {
{ "m68hc11", m68hc11cpu_finish, },
{ "m68hc11", m68hc11cpu_finish },
{ "m68hc12", m68hc11cpu_finish },
{ NULL },
};

3
sim/m68hc11/dv-m68hc11eepr.c
View File

@ -621,7 +621,8 @@ m68hc11eepr_io_write_buffer (struct hw *me,
}
const struct hw_descriptor dv_m68hc11eepr_descriptor[] = {
{ "m68hc11eepr", m68hc11eepr_finish, },
{ "m68hc11eepr", m68hc11eepr_finish },
{ "m68hc12eepr", m68hc11eepr_finish },
{ NULL },
};

3
sim/m68hc11/dv-m68hc11sio.c
View File

@ -657,7 +657,8 @@ m68hc11sio_io_write_buffer (struct hw *me,
const struct hw_descriptor dv_m68hc11sio_descriptor[] = {
{ "m68hc11sio", m68hc11sio_finish, },
{ "m68hc11sio", m68hc11sio_finish },
{ "m68hc12sio", m68hc11sio_finish },
{ NULL },
};

3
sim/m68hc11/dv-m68hc11spi.c
View File

@ -527,7 +527,8 @@ m68hc11spi_io_write_buffer (struct hw *me,
const struct hw_descriptor dv_m68hc11spi_descriptor[] = {
{ "m68hc11spi", m68hc11spi_finish, },
{ "m68hc11spi", m68hc11spi_finish },
{ "m68hc12spi", m68hc11spi_finish },
{ NULL },
};

6
sim/m68hc11/dv-m68hc11tim.c
View File

@ -111,7 +111,6 @@ attach_m68hc11tim_regs (struct hw *me,
me);
}
static void
m68hc11tim_finish (struct hw *me)
{
@ -128,7 +127,7 @@ m68hc11tim_finish (struct hw *me)
#else
me->to_ioctl = m68hc11tim_ioctl;
#endif
/* Preset defaults. */
controller->clock_prescaler = 1;
controller->tcnt_adjust = 0;
@ -688,7 +687,8 @@ m68hc11tim_io_write_buffer (struct hw *me,
const struct hw_descriptor dv_m68hc11tim_descriptor[] = {
{ "m68hc11tim", m68hc11tim_finish, },
{ "m68hc11tim", m68hc11tim_finish },
{ "m68hc12tim", m68hc11tim_finish },
{ NULL },
};