forked from Imagelibrary/rtems
bsps: Move console drivers to bsps
This patch is a part of the BSP source reorganization. Update #3285.
This commit is contained in:
65
bsps/m32c/m32cbsp/console/console-io.c
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65
bsps/m32c/m32cbsp/console/console-io.c
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/*
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* This file contains the hardware specific portions of the TTY driver
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* for the serial ports on the m32c simulator in gdb.
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*/
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/*
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* COPYRIGHT (c) 1989-2008.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#include <bsp.h>
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#include <bsp/console-polled.h>
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#include <rtems/libio.h>
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#include <stdlib.h>
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#include <assert.h>
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/*
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* console_initialize_hardware
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*
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* This routine initializes the console hardware.
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*
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*/
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void console_initialize_hardware(void)
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{
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return;
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}
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/*
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* console_outbyte_polled
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*
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* This routine transmits a character using polling.
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*/
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ssize_t sys_write(int fd, const void *buf, size_t count);
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void console_outbyte_polled(
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int port,
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char ch
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)
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{
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sys_write( 2, &ch, 1 );
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}
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/*
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* console_inbyte_nonblocking
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*
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* This routine polls for a character.
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*/
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int console_inbyte_nonblocking(
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int port
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)
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{
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return -1;
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}
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#include <rtems/bspIo.h>
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static void M32CsimBSP_output_char(char c) { console_outbyte_polled( 0, c ); }
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BSP_output_char_function_type BSP_output_char = M32CsimBSP_output_char;
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BSP_polling_getchar_function_type BSP_poll_char = NULL;
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43
bsps/m32c/m32cbsp/console/syscalls.S
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43
bsps/m32c/m32cbsp/console/syscalls.S
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@@ -0,0 +1,43 @@
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/*
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* System call support for simulator in gdb.
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* Adapted from newlib 1.16.0.
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*/
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#define SYS_exit 1
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#define SYS_open 2
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#define SYS_close 3
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#define SYS_read 4
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#define SYS_write 5
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#define SYS_lseek 6
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#define SYS_unlink 7
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#define SYS_getpid 8
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#define SYS_kill 9
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#define SYS_fstat 10
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#define SYS_sbrk 11
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#define POUND #
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#define SYSCALL(N) mov.b POUND N,0x400
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#define S(n) _sys_##n: .global _sys_##n | SYSCALL(SYS_##n) | rts
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S(write)
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S(exit)
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S(sbrk)
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.global _abort
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_abort:
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/* This is for debuggers. The simulator stops here too. */
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brk
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/* Else, fall back on the simulator's "kill me" option. */
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#if defined(__r8c_cpu__) || defined(__m16c_cpu__)
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mov.w #42,r1
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#else
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mov.w #42,r0
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#endif
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SYSCALL(SYS_kill)
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/* Else, exit. */
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jmp.a __exit
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