| 0,0 → 1,92 |
|---|
| /* |
| * Copyright (C) 2005 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include <arch/ski/ski.h> |
| |
| /** Initialize debug console |
| * |
| * Issue SSC (Simulator System Call) to |
| * to open debug console. |
| */ |
| void ski_init_console(void) |
| { |
| __asm__ ( |
| "mov r15=%0\n" |
| "break 0x80000\n" |
| : |
| : "i" (SKI_INIT_CONSOLE) |
| : "r15", "r8" |
| ); |
| } |
| |
| /** Display character on debug console |
| * |
| * Use SSC (Simulator System Call) to |
| * display character on debug console. |
| * |
| * @param ch Character to be printed. |
| */ |
| void ski_putchar(const char ch) |
| { |
| __asm__ ( |
| "mov r15=%0\n" |
| "mov r32=%1\n" /* r32 is in0 */ |
| "break 0x80000\n" /* modifies r8 */ |
| : |
| : "i" (SKI_PUTCHAR), "r" (ch) |
| : "r15", "in0", "r8" |
| ); |
| |
| if (ch == '\n') ski_putchar('\r'); |
| } |
| |
| /** Ask debug console if a key was pressed. |
| * |
| * Use SSC (Simulator System Call) to |
| * get character from debug console. |
| * |
| * This call is non-blocking. |
| * |
| * @return ASCII code of pressed key or 0 if no key pressed. |
| */ |
| __s32 ski_getchar(void) |
| { |
| __u64 ch; |
| |
| __asm__ ( |
| "mov r15=%0\n" |
| "break 0x80000;;\n" /* modifies r8 */ |
| "mov %1=r8;;\n" |
| |
| : |
| : "i" (SKI_GETCHAR), "r" (ch) |
| : "r15", "r8" |
| ); |
| |
| return (__s32)ch; |
| } |