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-rw-r--r--sim/mn10300/dv-mn103ser.c712
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diff --git a/sim/mn10300/dv-mn103ser.c b/sim/mn10300/dv-mn103ser.c
deleted file mode 100644
index 7f20ed1f6b2..00000000000
--- a/sim/mn10300/dv-mn103ser.c
+++ /dev/null
@@ -1,712 +0,0 @@
-/* This file is part of the program GDB, the GNU debugger.
-
- Copyright (C) 1998 Free Software Foundation, Inc.
- Contributed by Cygnus Solutions.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
- */
-
-#include "sim-main.h"
-#include "hw-main.h"
-#include "dv-sockser.h"
-
-
-/* DEVICE
-
-
- mn103ser - mn103002 serial devices 0, 1 and 2.
-
-
- DESCRIPTION
-
- Implements the mn103002 serial interfaces as described in the
- mn103002 user guide.
-
-
- PROPERTIES
-
- reg = <serial-addr> <serial-size>
-
-
- BUGS
-
- */
-
-
-/* The serial devices' registers' address block */
-
-struct mn103ser_block {
- unsigned_word base;
- unsigned_word bound;
-};
-
-
-
-enum serial_register_types {
- SC0CTR,
- SC1CTR,
- SC2CTR,
- SC0ICR,
- SC1ICR,
- SC2ICR,
- SC0TXB,
- SC1TXB,
- SC2TXB,
- SC0RXB,
- SC1RXB,
- SC2RXB,
- SC0STR,
- SC1STR,
- SC2STR,
- SC2TIM,
-};
-
-
-/* Access dv-sockser state */
-extern char* sockser_addr;
-#define USE_SOCKSER_P (sockser_addr != NULL)
-
-
-#define NR_SERIAL_DEVS 3
-#define SIO_STAT_RRDY 0x0010
-
-typedef struct _mn10300_serial {
- unsigned16 status, control;
- unsigned8 txb, rxb, intmode;
- struct hw_event *event;
-} mn10300_serial;
-
-
-
-struct mn103ser {
- struct mn103ser_block block;
- mn10300_serial device[NR_SERIAL_DEVS];
- unsigned8 serial2_timer_reg;
- do_hw_poll_read_method *reader;
-};
-
-/* output port ID's */
-
-/* for mn103002 */
-enum {
- SERIAL0_RECEIVE,
- SERIAL1_RECEIVE,
- SERIAL2_RECEIVE,
- SERIAL0_SEND,
- SERIAL1_SEND,
- SERIAL2_SEND,
-};
-
-
-static const struct hw_port_descriptor mn103ser_ports[] = {
-
- { "serial-0-receive", SERIAL0_RECEIVE, 0, output_port, },
- { "serial-1-receive", SERIAL1_RECEIVE, 0, output_port, },
- { "serial-2-receive", SERIAL2_RECEIVE, 0, output_port, },
- { "serial-0-transmit", SERIAL0_SEND, 0, output_port, },
- { "serial-1-transmit", SERIAL1_SEND, 0, output_port, },
- { "serial-2-transmit", SERIAL2_SEND, 0, output_port, },
-
- { NULL, },
-};
-
-
-
-/* Finish off the partially created hw device. Attach our local
- callbacks. Wire up our port names etc */
-
-static hw_io_read_buffer_method mn103ser_io_read_buffer;
-static hw_io_write_buffer_method mn103ser_io_write_buffer;
-
-static void
-attach_mn103ser_regs (struct hw *me,
- struct mn103ser *serial)
-{
- unsigned_word attach_address;
- int attach_space;
- unsigned attach_size;
- reg_property_spec reg;
-
- if (hw_find_property (me, "reg") == NULL)
- hw_abort (me, "Missing \"reg\" property");
-
- if (!hw_find_reg_array_property (me, "reg", 0, &reg))
- hw_abort (me, "\"reg\" property must contain three addr/size entries");
- hw_unit_address_to_attach_address (hw_parent (me),
- &reg.address,
- &attach_space,
- &attach_address,
- me);
- serial->block.base = attach_address;
- hw_unit_size_to_attach_size (hw_parent (me),
- &reg.size,
- &attach_size, me);
- serial->block.bound = attach_address + (attach_size - 1);
- hw_attach_address (hw_parent (me),
- 0,
- attach_space, attach_address, attach_size,
- me);
-}
-
-static void
-mn103ser_finish (struct hw *me)
-{
- struct mn103ser *serial;
- int i;
-
- serial = HW_ZALLOC (me, struct mn103ser);
- set_hw_data (me, serial);
- set_hw_io_read_buffer (me, mn103ser_io_read_buffer);
- set_hw_io_write_buffer (me, mn103ser_io_write_buffer);
- set_hw_ports (me, mn103ser_ports);
-
- /* Attach ourself to our parent bus */
- attach_mn103ser_regs (me, serial);
-
- /* If so configured, enable polled input */
- if (hw_find_property (me, "poll?") != NULL
- && hw_find_boolean_property (me, "poll?"))
- {
- serial->reader = sim_io_poll_read;
- }
- else
- {
- serial->reader = sim_io_read;
- }
-
- /* Initialize the serial device registers. */
- for ( i=0; i<NR_SERIAL_DEVS; ++i )
- {
- serial->device[i].txb = 0;
- serial->device[i].rxb = 0;
- serial->device[i].status = 0;
- serial->device[i].control = 0;
- serial->device[i].intmode = 0;
- serial->device[i].event = NULL;
- }
-}
-
-
-/* read and write */
-
-static int
-decode_addr (struct hw *me,
- struct mn103ser *serial,
- unsigned_word address)
-{
- unsigned_word offset;
- offset = address - serial->block.base;
- switch (offset)
- {
- case 0x00: return SC0CTR;
- case 0x04: return SC0ICR;
- case 0x08: return SC0TXB;
- case 0x09: return SC0RXB;
- case 0x0C: return SC0STR;
- case 0x10: return SC1CTR;
- case 0x14: return SC1ICR;
- case 0x18: return SC1TXB;
- case 0x19: return SC1RXB;
- case 0x1C: return SC1STR;
- case 0x20: return SC2CTR;
- case 0x24: return SC2ICR;
- case 0x28: return SC2TXB;
- case 0x29: return SC2RXB;
- case 0x2C: return SC2STR;
- case 0x2D: return SC2TIM;
- default:
- {
- hw_abort (me, "bad address");
- return -1;
- }
- }
-}
-
-static void
-do_polling_event (struct hw *me,
- void *data)
-{
- struct mn103ser *serial = hw_data(me);
- int serial_reg = (int) data;
- char c;
- int count;
-
- if(USE_SOCKSER_P)
- {
- int rd;
- rd = dv_sockser_read (hw_system (me));
- if(rd != -1)
- {
- c = (char) rd;
- count = 1;
- }
- else
- {
- count = HW_IO_NOT_READY;
- }
- }
- else
- {
- count = do_hw_poll_read (me, serial->reader,
- 0/*STDIN*/, &c, sizeof(c));
- }
-
-
- switch (count)
- {
- case HW_IO_NOT_READY:
- case HW_IO_EOF:
- serial->device[serial_reg].rxb = 0;
- serial->device[serial_reg].status &= ~SIO_STAT_RRDY;
- break;
- default:
- serial->device[serial_reg].rxb = c;
- serial->device[serial_reg].status |= SIO_STAT_RRDY;
- hw_port_event (me, serial_reg+SERIAL0_RECEIVE, 1);
- }
-
- /* Schedule next polling event */
- serial->device[serial_reg].event
- = hw_event_queue_schedule (me, 1000,
- do_polling_event, (void *)serial_reg);
-
-}
-
-static void
-read_control_reg (struct hw *me,
- struct mn103ser *serial,
- unsigned_word serial_reg,
- void *dest,
- unsigned nr_bytes)
-{
- /* really allow 1 byte read, too */
- if ( nr_bytes == 2 )
- {
- *(unsigned16 *)dest = H2LE_2 (serial->device[serial_reg].control);
- }
- else
- {
- hw_abort (me, "bad read size of %d bytes from SC%dCTR.", nr_bytes,
- serial_reg);
- }
-}
-
-
-static void
-read_intmode_reg (struct hw *me,
- struct mn103ser *serial,
- unsigned_word serial_reg,
- void *dest,
- unsigned nr_bytes)
-{
- if ( nr_bytes == 1 )
- {
- *(unsigned8 *)dest = serial->device[serial_reg].intmode;
- }
- else
- {
- hw_abort (me, "bad read size of %d bytes from SC%dICR.", nr_bytes,
- serial_reg);
- }
-}
-
-
-static void
-read_txb (struct hw *me,
- struct mn103ser *serial,
- unsigned_word serial_reg,
- void *dest,
- unsigned nr_bytes)
-{
- if ( nr_bytes == 1 )
- {
- *(unsigned8 *)dest = serial->device[serial_reg].txb;
- }
- else
- {
- hw_abort (me, "bad read size of %d bytes from SC%dTXB.", nr_bytes,
- serial_reg);
- }
-}
-
-
-static void
-read_rxb (struct hw *me,
- struct mn103ser *serial,
- unsigned_word serial_reg,
- void *dest,
- unsigned nr_bytes)
-{
- if ( nr_bytes == 1 )
- {
- *(unsigned8 *)dest = serial->device[serial_reg].rxb;
- /* Reception buffer is now empty. */
- serial->device[serial_reg].status &= ~SIO_STAT_RRDY;
- }
- else
- {
- hw_abort (me, "bad read size of %d bytes from SC%dRXB.", nr_bytes,
- serial_reg);
- }
-}
-
-
-static void
-read_status_reg (struct hw *me,
- struct mn103ser *serial,
- unsigned_word serial_reg,
- void *dest,
- unsigned nr_bytes)
-{
- char c;
- int count;
-
- if ( (serial->device[serial_reg].status & SIO_STAT_RRDY) == 0 )
- {
- /* FIFO is empty */
- /* Kill current poll event */
- if ( NULL != serial->device[serial_reg].event )
- {
- hw_event_queue_deschedule (me, serial->device[serial_reg].event);
- serial->device[serial_reg].event = NULL;
- }
-
- if(USE_SOCKSER_P)
- {
- int rd;
- rd = dv_sockser_read (hw_system (me));
- if(rd != -1)
- {
- c = (char) rd;
- count = 1;
- }
- else
- {
- count = HW_IO_NOT_READY;
- }
- }
- else
- {
- count = do_hw_poll_read (me, serial->reader,
- 0/*STDIN*/, &c, sizeof(c));
- }
-
- switch (count)
- {
- case HW_IO_NOT_READY:
- case HW_IO_EOF:
- serial->device[serial_reg].rxb = 0;
- serial->device[serial_reg].status &= ~SIO_STAT_RRDY;
- break;
- default:
- serial->device[serial_reg].rxb = c;
- serial->device[serial_reg].status |= SIO_STAT_RRDY;
- hw_port_event (me, serial_reg+SERIAL0_RECEIVE, 1);
- }
-
- /* schedule polling event */
- serial->device[serial_reg].event
- = hw_event_queue_schedule (me, 1000,
- do_polling_event,
- (void *)serial_reg);
- }
-
- if ( nr_bytes == 1 )
- {
- *(unsigned8 *)dest = (unsigned8)serial->device[serial_reg].status;
- }
- else if ( nr_bytes == 2 && serial_reg != SC2STR )
- {
- *(unsigned16 *)dest = H2LE_2 (serial->device[serial_reg].status);
- }
- else
- {
- hw_abort (me, "bad read size of %d bytes from SC%dSTR.", nr_bytes,
- serial_reg);
- }
-}
-
-
-static void
-read_serial2_timer_reg (struct hw *me,
- struct mn103ser *serial,
- void *dest,
- unsigned nr_bytes)
-{
- if ( nr_bytes == 1 )
- {
- * (unsigned8 *) dest = (unsigned8) serial->serial2_timer_reg;
- }
- else
- {
- hw_abort (me, "bad read size of %d bytes to SC2TIM.", nr_bytes);
- }
-}
-
-
-static unsigned
-mn103ser_io_read_buffer (struct hw *me,
- void *dest,
- int space,
- unsigned_word base,
- unsigned nr_bytes)
-{
- struct mn103ser *serial = hw_data (me);
- enum serial_register_types serial_reg;
- HW_TRACE ((me, "read 0x%08lx %d", (long) base, (int) nr_bytes));
-
- serial_reg = decode_addr (me, serial, base);
- switch (serial_reg)
- {
- /* control registers */
- case SC0CTR:
- case SC1CTR:
- case SC2CTR:
- read_control_reg(me, serial, serial_reg-SC0CTR, dest, nr_bytes);
- HW_TRACE ((me, "read - ctrl reg%d has 0x%x\n", serial_reg-SC0CTR,
- *(unsigned8 *)dest));
- break;
-
- /* interrupt mode registers */
- case SC0ICR:
- case SC1ICR:
- case SC2ICR:
- read_intmode_reg(me, serial, serial_reg-SC0ICR, dest, nr_bytes);
- HW_TRACE ((me, "read - intmode reg%d has 0x%x\n", serial_reg-SC0ICR,
- *(unsigned8 *)dest));
- break;
-
- /* transmission buffers */
- case SC0TXB:
- case SC1TXB:
- case SC2TXB:
- read_txb(me, serial, serial_reg-SC0TXB, dest, nr_bytes);
- HW_TRACE ((me, "read - txb%d has %c\n", serial_reg-SC0TXB,
- *(char *)dest));
- break;
-
- /* reception buffers */
- case SC0RXB:
- case SC1RXB:
- case SC2RXB:
- read_rxb(me, serial, serial_reg-SC0RXB, dest, nr_bytes);
- HW_TRACE ((me, "read - rxb%d has %c\n", serial_reg-SC0RXB,
- *(char *)dest));
- break;
-
- /* status registers */
- case SC0STR:
- case SC1STR:
- case SC2STR:
- read_status_reg(me, serial, serial_reg-SC0STR, dest, nr_bytes);
- HW_TRACE ((me, "read - status reg%d has 0x%x\n", serial_reg-SC0STR,
- *(unsigned8 *)dest));
- break;
-
- case SC2TIM:
- read_serial2_timer_reg(me, serial, dest, nr_bytes);
- HW_TRACE ((me, "read - serial2 timer reg %d\n", *(unsigned8 *)dest));
- break;
-
- default:
- hw_abort(me, "invalid address");
- }
-
- return nr_bytes;
-}
-
-
-static void
-write_control_reg (struct hw *me,
- struct mn103ser *serial,
- unsigned_word serial_reg,
- const void *source,
- unsigned nr_bytes)
-{
- unsigned16 val = LE2H_2 (*(unsigned16 *)source);
-
- /* really allow 1 byte write, too */
- if ( nr_bytes == 2 )
- {
- if ( serial_reg == 2 && (val & 0x0C04) != 0 )
- {
- hw_abort(me, "Cannot write to read-only bits of SC2CTR.");
- }
- else
- {
- serial->device[serial_reg].control = val;
- }
- }
- else
- {
- hw_abort (me, "bad read size of %d bytes from SC%dSTR.", nr_bytes,
- serial_reg);
- }
-}
-
-
-static void
-write_intmode_reg (struct hw *me,
- struct mn103ser *serial,
- unsigned_word serial_reg,
- const void *source,
- unsigned nr_bytes)
-{
-unsigned8 val = *(unsigned8 *)source;
-
- if ( nr_bytes == 1 )
- {
- /* Check for attempt to write to read-only bits of register. */
- if ( ( serial_reg == 2 && (val & 0xCA) != 0 )
- || ( serial_reg != 2 && (val & 0x4A) != 0 ) )
- {
- hw_abort(me, "Cannot write to read-only bits of SC%dICR.",
- serial_reg);
- }
- else
- {
- serial->device[serial_reg].intmode = val;
- }
- }
- else
- {
- hw_abort (me, "bad write size of %d bytes to SC%dICR.", nr_bytes,
- serial_reg);
- }
-}
-
-
-static void
-write_txb (struct hw *me,
- struct mn103ser *serial,
- unsigned_word serial_reg,
- const void *source,
- unsigned nr_bytes)
-{
- if ( nr_bytes == 1 )
- {
- serial->device[serial_reg].txb = *(unsigned8 *)source;
-
- if(USE_SOCKSER_P)
- {
- dv_sockser_write(hw_system (me), * (char*) source);
- }
- else
- {
- sim_io_write_stdout(hw_system (me), (char *)source, 1);
- sim_io_flush_stdout(hw_system (me));
- }
-
- hw_port_event (me, serial_reg+SERIAL0_SEND, 1);
- }
- else
- {
- hw_abort (me, "bad write size of %d bytes to SC%dTXB.", nr_bytes,
- serial_reg);
- }
-}
-
-
-static void
-write_serial2_timer_reg (struct hw *me,
- struct mn103ser *serial,
- const void *source,
- unsigned nr_bytes)
-{
- if ( nr_bytes == 1 )
- {
- serial->serial2_timer_reg = *(unsigned8 *)source;
- }
- else
- {
- hw_abort (me, "bad write size of %d bytes to SC2TIM.", nr_bytes);
- }
-}
-
-
-static unsigned
-mn103ser_io_write_buffer (struct hw *me,
- const void *source,
- int space,
- unsigned_word base,
- unsigned nr_bytes)
-{
- struct mn103ser *serial = hw_data (me);
- enum serial_register_types serial_reg;
- HW_TRACE ((me, "write 0x%08lx %d", (long) base, (int) nr_bytes));
-
- serial_reg = decode_addr (me, serial, base);
- switch (serial_reg)
- {
- /* control registers */
- case SC0CTR:
- case SC1CTR:
- case SC2CTR:
- HW_TRACE ((me, "write - ctrl reg%d has 0x%x, nrbytes=%d.\n",
- serial_reg-SC0CTR, *(unsigned8 *)source, nr_bytes));
- write_control_reg(me, serial, serial_reg-SC0CTR, source, nr_bytes);
- break;
-
- /* interrupt mode registers */
- case SC0ICR:
- case SC1ICR:
- case SC2ICR:
- HW_TRACE ((me, "write - intmode reg%d has 0x%x, nrbytes=%d.\n",
- serial_reg-SC0ICR, *(unsigned8 *)source, nr_bytes));
- write_intmode_reg(me, serial, serial_reg-SC0ICR, source, nr_bytes);
- break;
-
- /* transmission buffers */
- case SC0TXB:
- case SC1TXB:
- case SC2TXB:
- HW_TRACE ((me, "write - txb%d has %c, nrbytes=%d.\n",
- serial_reg-SC0TXB, *(char *)source, nr_bytes));
- write_txb(me, serial, serial_reg-SC0TXB, source, nr_bytes);
- break;
-
- /* reception buffers */
- case SC0RXB:
- case SC1RXB:
- case SC2RXB:
- hw_abort(me, "Cannot write to reception buffer.");
- break;
-
- /* status registers */
- case SC0STR:
- case SC1STR:
- case SC2STR:
- hw_abort(me, "Cannot write to status register.");
- break;
-
- case SC2TIM:
- HW_TRACE ((me, "read - serial2 timer reg %d (nrbytes=%d)\n",
- *(unsigned8 *)source, nr_bytes));
- write_serial2_timer_reg(me, serial, source, nr_bytes);
- break;
-
- default:
- hw_abort(me, "invalid address");
- }
-
- return nr_bytes;
-}
-
-
-const struct hw_descriptor dv_mn103ser_descriptor[] = {
- { "mn103ser", mn103ser_finish, },
- { NULL },
-};
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