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| /* |
| * Copyright (c) 2006 Ondrej Palkovsky |
| * Copyright (c) 2008 Martin Decky |
| * 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. |
| */ |
| |
| /** @defgroup msimfb MSIM text console |
| * @brief HelenOS MSIM text console. |
| * @ingroup fbs |
| * @{ |
| */ |
| /** @file |
| */ |
| |
| #include <async.h> |
| #include <ipc/fb.h> |
| #include <ipc/ipc.h> |
| #include <libc.h> |
| #include <errno.h> |
| #include <string.h> |
| #include <libc.h> |
| #include <stdio.h> |
| #include <ipc/fb.h> |
| #include <sysinfo.h> |
| #include <as.h> |
| #include <align.h> |
| #include <ddi.h> |
| |
| #include "msim.h" |
| |
| #define WIDTH 80 |
| #define HEIGHT 25 |
| |
| #define MAX_CONTROL 20 |
| |
| /* Allow only 1 connection */ |
| static int client_connected = 0; |
| |
| static char *virt_addr; |
| |
| static void msim_putc(const char c) |
| { |
| *virt_addr = c; |
| } |
| |
| static void msim_puts(char *str) |
| { |
| while (*str) |
| *virt_addr = *(str++); |
| } |
| |
| static void msim_clrscr(void) |
| { |
| msim_puts("\033[2J"); |
| } |
| |
| static void msim_goto(const unsigned int row, const unsigned int col) |
| { |
| if ((row > HEIGHT) || (col > WIDTH)) |
| return; |
| |
| char control[MAX_CONTROL]; |
| snprintf(control, MAX_CONTROL, "\033[%u;%uf", row + 1, col + 1); |
| msim_puts(control); |
| } |
| |
| static void msim_set_style(const unsigned int mode) |
| { |
| char control[MAX_CONTROL]; |
| snprintf(control, MAX_CONTROL, "\033[%um", mode); |
| msim_puts(control); |
| } |
| |
| static void msim_cursor_disable(void) |
| { |
| msim_puts("\033[?25l"); |
| } |
| |
| static void msim_cursor_enable(void) |
| { |
| msim_puts("\033[?25h"); |
| } |
| |
| static void msim_scroll(int i) |
| { |
| if (i > 0) { |
| msim_goto(HEIGHT - 1, 0); |
| while (i--) |
| msim_puts("\033D"); |
| } else if (i < 0) { |
| msim_goto(0, 0); |
| while (i++) |
| msim_puts("\033M"); |
| } |
| } |
| |
| static void msim_client_connection(ipc_callid_t iid, ipc_call_t *icall) |
| { |
| int retval; |
| ipc_callid_t callid; |
| ipc_call_t call; |
| char c; |
| int lastcol = 0; |
| int lastrow = 0; |
| int newcol; |
| int newrow; |
| int fgcolor; |
| int bgcolor; |
| int i; |
| |
| if (client_connected) { |
| ipc_answer_0(iid, ELIMIT); |
| return; |
| } |
| |
| client_connected = 1; |
| ipc_answer_0(iid, EOK); |
| |
| /* Clear the terminal, set scrolling region |
| to 0 - 25 lines */ |
| msim_clrscr(); |
| msim_goto(0, 0); |
| msim_puts("\033[0;25r"); |
| |
| while (true) { |
| callid = async_get_call(&call); |
| switch (IPC_GET_METHOD(call)) { |
| case IPC_M_PHONE_HUNGUP: |
| client_connected = 0; |
| ipc_answer_0(callid, EOK); |
| return; |
| case FB_PUTCHAR: |
| c = IPC_GET_ARG1(call); |
| newrow = IPC_GET_ARG2(call); |
| newcol = IPC_GET_ARG3(call); |
| if ((lastcol != newcol) || (lastrow != newrow)) |
| msim_goto(newrow, newcol); |
| lastcol = newcol + 1; |
| lastrow = newrow; |
| msim_putc(c); |
| retval = 0; |
| break; |
| case FB_CURSOR_GOTO: |
| newrow = IPC_GET_ARG1(call); |
| newcol = IPC_GET_ARG2(call); |
| msim_goto(newrow, newcol); |
| lastrow = newrow; |
| lastcol = newcol; |
| retval = 0; |
| break; |
| case FB_GET_CSIZE: |
| ipc_answer_2(callid, EOK, HEIGHT, WIDTH); |
| continue; |
| case FB_CLEAR: |
| msim_clrscr(); |
| retval = 0; |
| break; |
| case FB_SET_STYLE: |
| fgcolor = IPC_GET_ARG1(call); |
| bgcolor = IPC_GET_ARG2(call); |
| if (fgcolor < bgcolor) |
| msim_set_style(0); |
| else |
| msim_set_style(7); |
| retval = 0; |
| break; |
| case FB_SCROLL: |
| i = IPC_GET_ARG1(call); |
| if ((i > HEIGHT) || (i < -HEIGHT)) { |
| retval = EINVAL; |
| break; |
| } |
| msim_scroll(i); |
| msim_goto(lastrow, lastcol); |
| retval = 0; |
| break; |
| case FB_CURSOR_VISIBILITY: |
| if(IPC_GET_ARG1(call)) |
| msim_cursor_enable(); |
| else |
| msim_cursor_disable(); |
| retval = 0; |
| break; |
| default: |
| retval = ENOENT; |
| } |
| ipc_answer_0(callid, retval); |
| } |
| } |
| |
| int msim_init(void) |
| { |
| void *phys_addr = (void *) sysinfo_value("fb.address.physical"); |
| virt_addr = (char *) as_get_mappable_page(1); |
| |
| physmem_map(phys_addr, virt_addr, 1, AS_AREA_READ | AS_AREA_WRITE); |
| |
| async_set_client_connection(msim_client_connection); |
| return 0; |
| } |
| |
| /** |
| * @} |
| */ |