/* * Copyright (c) 1998 Michael Smith (msmith@freebsd.org) * Copyright (c) 1997 Kazutaka YOKOTA (yokota@zodiac.mech.utsunomiya-u.ac.jp) * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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. * * Id: probe_keyboard.c,v 1.13 1997/06/09 05:10:55 bde Exp */ #include #include #include #include #include #include #include #include #include #include "libi386.h" #include "vbe.h" #include #include #include #include #include #include #if KEYBOARD_PROBE static int probe_keyboard(void); #endif static void vidc_probe(struct console *cp); static int vidc_init(struct console *cp, int arg); static void vidc_putchar(struct console *cp, int c); static int vidc_getchar(struct console *cp); static int vidc_ischar(struct console *cp); static int vidc_ioctl(struct console *cp, int cmd, void *data); static void vidc_biosputchar(int c); static void vidc_devinfo(struct console *cp); static int vidc_vbe_devinit(struct vis_devinit *); static void vidc_cons_cursor(struct vis_conscursor *); static int vidc_vbe_cons_put_cmap(struct vis_cmap *); static int vidc_text_devinit(struct vis_devinit *); static int vidc_text_cons_clear(struct vis_consclear *); static void vidc_text_cons_copy(struct vis_conscopy *); static void vidc_text_cons_display(struct vis_consdisplay *); static void vidc_text_set_cursor(screen_pos_t, screen_pos_t, bool); static void vidc_text_get_cursor(screen_pos_t *, screen_pos_t *); static int vidc_text_cons_put_cmap(struct vis_cmap *); static int vidc_started; static uint16_t *vgatext; /* mode change callback and argument from tem */ static vis_modechg_cb_t modechg_cb; static struct vis_modechg_arg *modechg_arg; static tem_vt_state_t tem; /* RGB colors for 8-bit depth */ struct paletteentry pe8[CMAP_SIZE]; #define KEYBUFSZ 10 #define DEFAULT_FGCOLOR 7 #define DEFAULT_BGCOLOR 0 static uint8_t keybuf[KEYBUFSZ]; /* keybuf for extended codes */ struct console text = { .c_name = "text", .c_desc = "internal video/keyboard", .c_flags = 0, .c_probe = vidc_probe, .c_init = vidc_init, .c_out = vidc_putchar, .c_in = vidc_getchar, .c_ready = vidc_ischar, .c_ioctl = vidc_ioctl, .c_devinfo = vidc_devinfo, .c_private = NULL }; static struct vis_identifier fb_ident = { "vidc_fb" }; static struct vis_identifier text_ident = { "vidc_text" }; struct visual_ops fb_ops = { .ident = &fb_ident, .kdsetmode = NULL, .devinit = vidc_vbe_devinit, .cons_copy = gfx_fb_cons_copy, .cons_display = gfx_fb_cons_display, .cons_cursor = vidc_cons_cursor, .cons_clear = gfx_fb_cons_clear, .cons_put_cmap = vidc_vbe_cons_put_cmap }; struct visual_ops text_ops = { .ident = &text_ident, .kdsetmode = NULL, .devinit = vidc_text_devinit, .cons_copy = vidc_text_cons_copy, .cons_display = vidc_text_cons_display, .cons_cursor = vidc_cons_cursor, .cons_clear = vidc_text_cons_clear, .cons_put_cmap = vidc_text_cons_put_cmap }; /* * platform specific functions for tem */ int plat_stdout_is_framebuffer(void) { if (vbe_available() && VBE_VALID_MODE(vbe_get_mode())) { return (1); } return (0); } void plat_tem_hide_prom_cursor(void) { vidc_text_set_cursor(0, 0, false); } void plat_tem_get_prom_pos(uint32_t *row, uint32_t *col) { screen_pos_t x, y; if (plat_stdout_is_framebuffer()) { *row = 0; *col = 0; } else { vidc_text_get_cursor(&y, &x); *row = (uint32_t)y; *col = (uint32_t)x; } } /* * plat_tem_get_prom_size() is supposed to return screen size * in chars. Return real data for text mode and TEM defaults for graphical * mode, so the tem can compute values based on default and font. */ void plat_tem_get_prom_size(size_t *height, size_t *width) { if (plat_stdout_is_framebuffer()) { *height = TEM_DEFAULT_ROWS; *width = TEM_DEFAULT_COLS; } else { *height = TEXT_ROWS; *width = TEXT_COLS; } } void plat_cons_update_mode(int mode __unused) { struct vis_devinit devinit; if (tem == NULL) /* tem is not set up */ return; if (plat_stdout_is_framebuffer()) { devinit.version = VIS_CONS_REV; devinit.width = gfx_fb.framebuffer_common.framebuffer_width; devinit.height = gfx_fb.framebuffer_common.framebuffer_height; devinit.depth = gfx_fb.framebuffer_common.framebuffer_bpp; devinit.linebytes = gfx_fb.framebuffer_common.framebuffer_pitch; devinit.color_map = gfx_fb_color_map; devinit.mode = VIS_PIXEL; text.c_private = &fb_ops; } else { devinit.version = VIS_CONS_REV; devinit.width = TEXT_COLS; devinit.height = TEXT_ROWS; devinit.depth = 4; devinit.linebytes = TEXT_COLS; devinit.color_map = NULL; devinit.mode = VIS_TEXT; text.c_private = &text_ops; } modechg_cb(modechg_arg, &devinit); } static int vidc_vbe_devinit(struct vis_devinit *devinit) { if (plat_stdout_is_framebuffer() == 0) return (1); devinit->version = VIS_CONS_REV; devinit->width = gfx_fb.framebuffer_common.framebuffer_width; devinit->height = gfx_fb.framebuffer_common.framebuffer_height; devinit->depth = gfx_fb.framebuffer_common.framebuffer_bpp; devinit->linebytes = gfx_fb.framebuffer_common.framebuffer_pitch; devinit->color_map = gfx_fb_color_map; devinit->mode = VIS_PIXEL; modechg_cb = devinit->modechg_cb; modechg_arg = devinit->modechg_arg; return (0); } static int vidc_text_devinit(struct vis_devinit *devinit) { if (plat_stdout_is_framebuffer()) return (1); devinit->version = VIS_CONS_REV; devinit->width = TEXT_COLS; devinit->height = TEXT_ROWS; devinit->depth = 4; devinit->linebytes = TEXT_COLS; devinit->color_map = NULL; devinit->mode = VIS_TEXT; modechg_cb = devinit->modechg_cb; modechg_arg = devinit->modechg_arg; return (0); } static int vidc_text_cons_clear(struct vis_consclear *ca) { uint16_t val; int i; val = (solaris_color_to_pc_color[ca->bg_color.four & 0xf] << 4) | DEFAULT_FGCOLOR; val = (val << 8) | ' '; for (i = 0; i < TEXT_ROWS * TEXT_COLS; i++) vgatext[i] = val; return (0); } static void vidc_text_cons_copy(struct vis_conscopy *ma) { uint16_t *from; uint16_t *to; int cnt; screen_size_t chars_per_row; uint16_t *to_row_start; uint16_t *from_row_start; screen_size_t rows_to_move; uint16_t *base; /* * Sanity checks. Note that this is a last-ditch effort to avoid * damage caused by broken-ness or maliciousness above. */ if (ma->s_col < 0 || ma->s_col >= TEXT_COLS || ma->s_row < 0 || ma->s_row >= TEXT_ROWS || ma->e_col < 0 || ma->e_col >= TEXT_COLS || ma->e_row < 0 || ma->e_row >= TEXT_ROWS || ma->t_col < 0 || ma->t_col >= TEXT_COLS || ma->t_row < 0 || ma->t_row >= TEXT_ROWS || ma->s_col > ma->e_col || ma->s_row > ma->e_row) return; /* * Remember we're going to copy shorts because each * character/attribute pair is 16 bits. */ chars_per_row = ma->e_col - ma->s_col + 1; rows_to_move = ma->e_row - ma->s_row + 1; /* More sanity checks. */ if (ma->t_row + rows_to_move > TEXT_ROWS || ma->t_col + chars_per_row > TEXT_COLS) return; base = vgatext; to_row_start = base + ((ma->t_row * TEXT_COLS) + ma->t_col); from_row_start = base + ((ma->s_row * TEXT_COLS) + ma->s_col); if (to_row_start < from_row_start) { while (rows_to_move-- > 0) { to = to_row_start; from = from_row_start; to_row_start += TEXT_COLS; from_row_start += TEXT_COLS; for (cnt = chars_per_row; cnt-- > 0; ) *to++ = *from++; } } else { /* * Offset to the end of the region and copy backwards. */ cnt = rows_to_move * TEXT_COLS + chars_per_row; to_row_start += cnt; from_row_start += cnt; while (rows_to_move-- > 0) { to_row_start -= TEXT_COLS; from_row_start -= TEXT_COLS; to = to_row_start; from = from_row_start; for (cnt = chars_per_row; cnt-- > 0; ) *--to = *--from; } } } /* * Binary searchable table for Unicode to CP437 conversion. */ struct unicp437 { uint16_t unicode_base; uint8_t cp437_base; uint8_t length; }; static const struct unicp437 cp437table[] = { { 0x0020, 0x20, 0x5e }, { 0x00a0, 0x20, 0x00 }, { 0x00a1, 0xad, 0x00 }, { 0x00a2, 0x9b, 0x00 }, { 0x00a3, 0x9c, 0x00 }, { 0x00a5, 0x9d, 0x00 }, { 0x00a7, 0x15, 0x00 }, { 0x00aa, 0xa6, 0x00 }, { 0x00ab, 0xae, 0x00 }, { 0x00ac, 0xaa, 0x00 }, { 0x00b0, 0xf8, 0x00 }, { 0x00b1, 0xf1, 0x00 }, { 0x00b2, 0xfd, 0x00 }, { 0x00b5, 0xe6, 0x00 }, { 0x00b6, 0x14, 0x00 }, { 0x00b7, 0xfa, 0x00 }, { 0x00ba, 0xa7, 0x00 }, { 0x00bb, 0xaf, 0x00 }, { 0x00bc, 0xac, 0x00 }, { 0x00bd, 0xab, 0x00 }, { 0x00bf, 0xa8, 0x00 }, { 0x00c4, 0x8e, 0x01 }, { 0x00c6, 0x92, 0x00 }, { 0x00c7, 0x80, 0x00 }, { 0x00c9, 0x90, 0x00 }, { 0x00d1, 0xa5, 0x00 }, { 0x00d6, 0x99, 0x00 }, { 0x00dc, 0x9a, 0x00 }, { 0x00df, 0xe1, 0x00 }, { 0x00e0, 0x85, 0x00 }, { 0x00e1, 0xa0, 0x00 }, { 0x00e2, 0x83, 0x00 }, { 0x00e4, 0x84, 0x00 }, { 0x00e5, 0x86, 0x00 }, { 0x00e6, 0x91, 0x00 }, { 0x00e7, 0x87, 0x00 }, { 0x00e8, 0x8a, 0x00 }, { 0x00e9, 0x82, 0x00 }, { 0x00ea, 0x88, 0x01 }, { 0x00ec, 0x8d, 0x00 }, { 0x00ed, 0xa1, 0x00 }, { 0x00ee, 0x8c, 0x00 }, { 0x00ef, 0x8b, 0x00 }, { 0x00f0, 0xeb, 0x00 }, { 0x00f1, 0xa4, 0x00 }, { 0x00f2, 0x95, 0x00 }, { 0x00f3, 0xa2, 0x00 }, { 0x00f4, 0x93, 0x00 }, { 0x00f6, 0x94, 0x00 }, { 0x00f7, 0xf6, 0x00 }, { 0x00f8, 0xed, 0x00 }, { 0x00f9, 0x97, 0x00 }, { 0x00fa, 0xa3, 0x00 }, { 0x00fb, 0x96, 0x00 }, { 0x00fc, 0x81, 0x00 }, { 0x00ff, 0x98, 0x00 }, { 0x0192, 0x9f, 0x00 }, { 0x0393, 0xe2, 0x00 }, { 0x0398, 0xe9, 0x00 }, { 0x03a3, 0xe4, 0x00 }, { 0x03a6, 0xe8, 0x00 }, { 0x03a9, 0xea, 0x00 }, { 0x03b1, 0xe0, 0x01 }, { 0x03b4, 0xeb, 0x00 }, { 0x03b5, 0xee, 0x00 }, { 0x03bc, 0xe6, 0x00 }, { 0x03c0, 0xe3, 0x00 }, { 0x03c3, 0xe5, 0x00 }, { 0x03c4, 0xe7, 0x00 }, { 0x03c6, 0xed, 0x00 }, { 0x03d5, 0xed, 0x00 }, { 0x2010, 0x2d, 0x00 }, { 0x2014, 0x2d, 0x00 }, { 0x2018, 0x60, 0x00 }, { 0x2019, 0x27, 0x00 }, { 0x201c, 0x22, 0x00 }, { 0x201d, 0x22, 0x00 }, { 0x2022, 0x07, 0x00 }, { 0x203c, 0x13, 0x00 }, { 0x207f, 0xfc, 0x00 }, { 0x20a7, 0x9e, 0x00 }, { 0x20ac, 0xee, 0x00 }, { 0x2126, 0xea, 0x00 }, { 0x2190, 0x1b, 0x00 }, { 0x2191, 0x18, 0x00 }, { 0x2192, 0x1a, 0x00 }, { 0x2193, 0x19, 0x00 }, { 0x2194, 0x1d, 0x00 }, { 0x2195, 0x12, 0x00 }, { 0x21a8, 0x17, 0x00 }, { 0x2202, 0xeb, 0x00 }, { 0x2208, 0xee, 0x00 }, { 0x2211, 0xe4, 0x00 }, { 0x2212, 0x2d, 0x00 }, { 0x2219, 0xf9, 0x00 }, { 0x221a, 0xfb, 0x00 }, { 0x221e, 0xec, 0x00 }, { 0x221f, 0x1c, 0x00 }, { 0x2229, 0xef, 0x00 }, { 0x2248, 0xf7, 0x00 }, { 0x2261, 0xf0, 0x00 }, { 0x2264, 0xf3, 0x00 }, { 0x2265, 0xf2, 0x00 }, { 0x2302, 0x7f, 0x00 }, { 0x2310, 0xa9, 0x00 }, { 0x2320, 0xf4, 0x00 }, { 0x2321, 0xf5, 0x00 }, { 0x2500, 0xc4, 0x00 }, { 0x2502, 0xb3, 0x00 }, { 0x250c, 0xda, 0x00 }, { 0x2510, 0xbf, 0x00 }, { 0x2514, 0xc0, 0x00 }, { 0x2518, 0xd9, 0x00 }, { 0x251c, 0xc3, 0x00 }, { 0x2524, 0xb4, 0x00 }, { 0x252c, 0xc2, 0x00 }, { 0x2534, 0xc1, 0x00 }, { 0x253c, 0xc5, 0x00 }, { 0x2550, 0xcd, 0x00 }, { 0x2551, 0xba, 0x00 }, { 0x2552, 0xd5, 0x00 }, { 0x2553, 0xd6, 0x00 }, { 0x2554, 0xc9, 0x00 }, { 0x2555, 0xb8, 0x00 }, { 0x2556, 0xb7, 0x00 }, { 0x2557, 0xbb, 0x00 }, { 0x2558, 0xd4, 0x00 }, { 0x2559, 0xd3, 0x00 }, { 0x255a, 0xc8, 0x00 }, { 0x255b, 0xbe, 0x00 }, { 0x255c, 0xbd, 0x00 }, { 0x255d, 0xbc, 0x00 }, { 0x255e, 0xc6, 0x01 }, { 0x2560, 0xcc, 0x00 }, { 0x2561, 0xb5, 0x00 }, { 0x2562, 0xb6, 0x00 }, { 0x2563, 0xb9, 0x00 }, { 0x2564, 0xd1, 0x01 }, { 0x2566, 0xcb, 0x00 }, { 0x2567, 0xcf, 0x00 }, { 0x2568, 0xd0, 0x00 }, { 0x2569, 0xca, 0x00 }, { 0x256a, 0xd8, 0x00 }, { 0x256b, 0xd7, 0x00 }, { 0x256c, 0xce, 0x00 }, { 0x2580, 0xdf, 0x00 }, { 0x2584, 0xdc, 0x00 }, { 0x2588, 0xdb, 0x00 }, { 0x258c, 0xdd, 0x00 }, { 0x2590, 0xde, 0x00 }, { 0x2591, 0xb0, 0x02 }, { 0x25a0, 0xfe, 0x00 }, { 0x25ac, 0x16, 0x00 }, { 0x25b2, 0x1e, 0x00 }, { 0x25ba, 0x10, 0x00 }, { 0x25bc, 0x1f, 0x00 }, { 0x25c4, 0x11, 0x00 }, { 0x25cb, 0x09, 0x00 }, { 0x25d8, 0x08, 0x00 }, { 0x25d9, 0x0a, 0x00 }, { 0x263a, 0x01, 0x01 }, { 0x263c, 0x0f, 0x00 }, { 0x2640, 0x0c, 0x00 }, { 0x2642, 0x0b, 0x00 }, { 0x2660, 0x06, 0x00 }, { 0x2663, 0x05, 0x00 }, { 0x2665, 0x03, 0x01 }, { 0x266a, 0x0d, 0x00 }, { 0x266c, 0x0e, 0x00 } }; static uint8_t vga_get_cp437(tem_char_t c) { int min, mid, max; min = 0; max = (sizeof (cp437table) / sizeof (struct unicp437)) - 1; if (c < cp437table[0].unicode_base || c > cp437table[max].unicode_base + cp437table[max].length) return ('?'); while (max >= min) { mid = (min + max) / 2; if (c < cp437table[mid].unicode_base) max = mid - 1; else if (c > cp437table[mid].unicode_base + cp437table[mid].length) min = mid + 1; else return (c - cp437table[mid].unicode_base + cp437table[mid].cp437_base); } return ('?'); } static void vidc_text_cons_display(struct vis_consdisplay *da) { int i; uint8_t attr; tem_char_t *data; struct cgatext { uint8_t ch; uint8_t attr; } *addr; data = (tem_char_t *)da->data; attr = (solaris_color_to_pc_color[da->bg_color.four & 0xf] << 4) | solaris_color_to_pc_color[da->fg_color.four & 0xf]; addr = (struct cgatext *)vgatext + (da->row * TEXT_COLS + da->col); for (i = 0; i < da->width; i++) { addr[i].ch = vga_get_cp437(data[i]); addr[i].attr = attr; } } static void vidc_text_set_cursor(screen_pos_t row, screen_pos_t col, bool visible) { uint16_t addr; uint8_t msl, s, e; msl = vga_get_crtc(VGA_REG_ADDR, VGA_CRTC_MAX_S_LN) & 0x1f; s = vga_get_crtc(VGA_REG_ADDR, VGA_CRTC_CSSL) & 0xC0; e = vga_get_crtc(VGA_REG_ADDR, VGA_CRTC_CESL); if (visible) { addr = row * TEXT_COLS + col; vga_set_crtc(VGA_REG_ADDR, VGA_CRTC_CLAH, addr >> 8); vga_set_crtc(VGA_REG_ADDR, VGA_CRTC_CLAL, addr & 0xff); e = msl; } else { s |= (1<<5); } vga_set_crtc(VGA_REG_ADDR, VGA_CRTC_CSSL, s); vga_set_crtc(VGA_REG_ADDR, VGA_CRTC_CESL, e); } static void vidc_text_get_cursor(screen_pos_t *row, screen_pos_t *col) { uint16_t addr; addr = (vga_get_crtc(VGA_REG_ADDR, VGA_CRTC_CLAH) << 8) + vga_get_crtc(VGA_REG_ADDR, VGA_CRTC_CLAL); *row = addr / TEXT_COLS; *col = addr % TEXT_COLS; } static void vidc_cons_cursor(struct vis_conscursor *cc) { switch (cc->action) { case VIS_HIDE_CURSOR: if (plat_stdout_is_framebuffer()) gfx_fb_display_cursor(cc); else vidc_text_set_cursor(cc->row, cc->col, false); break; case VIS_DISPLAY_CURSOR: if (plat_stdout_is_framebuffer()) gfx_fb_display_cursor(cc); else vidc_text_set_cursor(cc->row, cc->col, true); break; case VIS_GET_CURSOR: if (plat_stdout_is_framebuffer()) { cc->row = 0; cc->col = 0; } else { vidc_text_get_cursor(&cc->row, &cc->col); } break; } } static int vidc_vbe_cons_put_cmap(struct vis_cmap *cm) { int i, rc; rgb_t rgb; uint32_t c; rc = 0; /* * we need to set position and size for rgb_color_map() * to be able to work. */ gfx_fb.u.fb2.framebuffer_red_field_position = 16; gfx_fb.u.fb2.framebuffer_green_field_position = 8; gfx_fb.u.fb2.framebuffer_blue_field_position = 0; gfx_fb.u.fb2.framebuffer_red_mask_size = palette_format; gfx_fb.u.fb2.framebuffer_green_mask_size = palette_format; gfx_fb.u.fb2.framebuffer_blue_mask_size = palette_format; rgb.red.pos = gfx_fb.u.fb2.framebuffer_red_field_position; rgb.red.size = gfx_fb.u.fb2.framebuffer_red_mask_size; rgb.green.pos = gfx_fb.u.fb2.framebuffer_green_field_position; rgb.green.size = gfx_fb.u.fb2.framebuffer_green_mask_size; rgb.blue.pos = gfx_fb.u.fb2.framebuffer_blue_field_position; rgb.blue.size = gfx_fb.u.fb2.framebuffer_blue_mask_size; for (i = cm->index; i < NCMAP && rc == 0; i++) { int idx; /* Pick RGB from cmap4_to_24 */ c = rgb_color_map(&rgb, i, 0); /* The first 16 colors need to be in VGA color order. */ if (i < NCOLORS) idx = solaris_color_to_pc_color[i]; else idx = i; pe8[i].Red = (c >> rgb.red.pos) & ((1 << rgb.red.size) - 1); pe8[i].Green = (c >> rgb.green.pos) & ((1 << rgb.green.size) - 1); pe8[i].Blue = (c >> rgb.blue.pos) & ((1 << rgb.blue.size) - 1); pe8[i].Reserved = 0; rc = vbe_set_palette(&pe8[i], idx); } return (rc); } static int vidc_text_cons_put_cmap(struct vis_cmap *cm __unused) { return (1); } static int vidc_ioctl(struct console *cp, int cmd, void *data) { struct visual_ops *ops = cp->c_private; switch (cmd) { case VIS_GETIDENTIFIER: memmove(data, ops->ident, sizeof (struct vis_identifier)); break; case VIS_DEVINIT: return (ops->devinit(data)); case VIS_CONSCLEAR: return (ops->cons_clear(data)); case VIS_CONSCOPY: ops->cons_copy(data); break; case VIS_CONSDISPLAY: ops->cons_display(data); break; case VIS_CONSCURSOR: ops->cons_cursor(data); break; case VIS_PUTCMAP: ops->cons_put_cmap(data); break; case VIS_GETCMAP: default: return (EINVAL); } return (0); } static void vidc_probe(struct console *cp) { /* look for a keyboard */ #if KEYBOARD_PROBE if (probe_keyboard()) #endif { cp->c_flags |= C_PRESENTIN; } /* XXX for now, always assume we can do BIOS screen output */ cp->c_flags |= C_PRESENTOUT; } /* * Binary searchable table for CP437 to Unicode conversion. */ struct cp437uni { uint8_t cp437_base; uint16_t unicode_base; uint8_t length; }; static const struct cp437uni cp437unitable[] = { { 0, 0x0000, 0 }, { 1, 0x263A, 1 }, { 3, 0x2665, 1 }, { 5, 0x2663, 0 }, { 6, 0x2660, 0 }, { 7, 0x2022, 0 }, { 8, 0x25D8, 0 }, { 9, 0x25CB, 0 }, { 10, 0x25D9, 0 }, { 11, 0x2642, 0 }, { 12, 0x2640, 0 }, { 13, 0x266A, 1 }, { 15, 0x263C, 0 }, { 16, 0x25BA, 0 }, { 17, 0x25C4, 0 }, { 18, 0x2195, 0 }, { 19, 0x203C, 0 }, { 20, 0x00B6, 0 }, { 21, 0x00A7, 0 }, { 22, 0x25AC, 0 }, { 23, 0x21A8, 0 }, { 24, 0x2191, 0 }, { 25, 0x2193, 0 }, { 26, 0x2192, 0 }, { 27, 0x2190, 0 }, { 28, 0x221F, 0 }, { 29, 0x2194, 0 }, { 30, 0x25B2, 0 }, { 31, 0x25BC, 0 }, { 32, 0x0020, 0x5e }, { 127, 0x2302, 0 }, { 128, 0x00C7, 0 }, { 129, 0x00FC, 0 }, { 130, 0x00E9, 0 }, { 131, 0x00E2, 0 }, { 132, 0x00E4, 0 }, { 133, 0x00E0, 0 }, { 134, 0x00E5, 0 }, { 135, 0x00E7, 0 }, { 136, 0x00EA, 1 }, { 138, 0x00E8, 0 }, { 139, 0x00EF, 0 }, { 140, 0x00EE, 0 }, { 141, 0x00EC, 0 }, { 142, 0x00C4, 1 }, { 144, 0x00C9, 0 }, { 145, 0x00E6, 0 }, { 146, 0x00C6, 0 }, { 147, 0x00F4, 0 }, { 148, 0x00F6, 0 }, { 149, 0x00F2, 0 }, { 150, 0x00FB, 0 }, { 151, 0x00F9, 0 }, { 152, 0x00FF, 0 }, { 153, 0x00D6, 0 }, { 154, 0x00DC, 0 }, { 155, 0x00A2, 1 }, { 157, 0x00A5, 0 }, { 158, 0x20A7, 0 }, { 159, 0x0192, 0 }, { 160, 0x00E1, 0 }, { 161, 0x00ED, 0 }, { 162, 0x00F3, 0 }, { 163, 0x00FA, 0 }, { 164, 0x00F1, 0 }, { 165, 0x00D1, 0 }, { 166, 0x00AA, 0 }, { 167, 0x00BA, 0 }, { 168, 0x00BF, 0 }, { 169, 0x2310, 0 }, { 170, 0x00AC, 0 }, { 171, 0x00BD, 0 }, { 172, 0x00BC, 0 }, { 173, 0x00A1, 0 }, { 174, 0x00AB, 0 }, { 175, 0x00BB, 0 }, { 176, 0x2591, 2 }, { 179, 0x2502, 0 }, { 180, 0x2524, 0 }, { 181, 0x2561, 1 }, { 183, 0x2556, 0 }, { 184, 0x2555, 0 }, { 185, 0x2563, 0 }, { 186, 0x2551, 0 }, { 187, 0x2557, 0 }, { 188, 0x255D, 0 }, { 189, 0x255C, 0 }, { 190, 0x255B, 0 }, { 191, 0x2510, 0 }, { 192, 0x2514, 0 }, { 193, 0x2534, 0 }, { 194, 0x252C, 0 }, { 195, 0x251C, 0 }, { 196, 0x2500, 0 }, { 197, 0x253C, 0 }, { 198, 0x255E, 1 }, { 200, 0x255A, 0 }, { 201, 0x2554, 0 }, { 202, 0x2569, 0 }, { 203, 0x2566, 0 }, { 204, 0x2560, 0 }, { 205, 0x2550, 0 }, { 206, 0x256C, 0 }, { 207, 0x2567, 1 }, { 209, 0x2564, 1 }, { 211, 0x2559, 0 }, { 212, 0x2558, 0 }, { 213, 0x2552, 1 }, { 215, 0x256B, 0 }, { 216, 0x256A, 0 }, { 217, 0x2518, 0 }, { 218, 0x250C, 0 }, { 219, 0x2588, 0 }, { 220, 0x2584, 0 }, { 221, 0x258C, 0 }, { 222, 0x2590, 0 }, { 223, 0x2580, 0 }, { 224, 0x03B1, 0 }, { 225, 0x00DF, 0 }, { 226, 0x0393, 0 }, { 227, 0x03C0, 0 }, { 228, 0x03A3, 0 }, { 229, 0x03C3, 0 }, { 230, 0x00B5, 0 }, { 231, 0x03C4, 0 }, { 232, 0x03A6, 0 }, { 233, 0x0398, 0 }, { 234, 0x03A9, 0 }, { 235, 0x03B4, 0 }, { 236, 0x221E, 0 }, { 237, 0x03C6, 0 }, { 238, 0x03B5, 0 }, { 239, 0x2229, 0 }, { 240, 0x2261, 0 }, { 241, 0x00B1, 0 }, { 242, 0x2265, 0 }, { 243, 0x2264, 0 }, { 244, 0x2320, 1 }, { 246, 0x00F7, 0 }, { 247, 0x2248, 0 }, { 248, 0x00B0, 0 }, { 249, 0x2219, 0 }, { 250, 0x00B7, 0 }, { 251, 0x221A, 0 }, { 252, 0x207F, 0 }, { 253, 0x00B2, 0 }, { 254, 0x25A0, 0 }, { 255, 0x00A0, 0 } }; static uint16_t vga_cp437_to_uni(uint8_t c) { int min, mid, max; min = 0; max = (sizeof (cp437unitable) / sizeof (struct cp437uni)) - 1; while (max >= min) { mid = (min + max) / 2; if (c < cp437unitable[mid].cp437_base) max = mid - 1; else if (c > cp437unitable[mid].cp437_base + cp437unitable[mid].length) min = mid + 1; else return (c - cp437unitable[mid].cp437_base + cp437unitable[mid].unicode_base); } return ('?'); } /* * install font for text mode, borrowed from gfxp_vgatext.c */ static void vidc_install_font(tem_modechg_cb_arg_t arg __unused) { static uchar_t fsreg[8] = {0x0, 0x30, 0x5, 0x35, 0xa, 0x3a, 0xf, 0x3f}; const uchar_t *from; uchar_t volatile *to; uint16_t c; int i, j, s; int bpc, f_offset; if (plat_stdout_is_framebuffer()) return; /* Sync-reset the sequencer registers */ vga_set_seq(VGA_REG_ADDR, 0x00, 0x01); /* * enable write to plane2, since fonts * could only be loaded into plane2 */ vga_set_seq(VGA_REG_ADDR, 0x02, 0x04); /* * sequentially access data in the bit map being * selected by MapMask register (index 0x02) */ vga_set_seq(VGA_REG_ADDR, 0x04, 0x07); /* Sync-reset ended, and allow the sequencer to operate */ vga_set_seq(VGA_REG_ADDR, 0x00, 0x03); /* * select plane 2 on Read Mode 0 */ vga_set_grc(VGA_REG_ADDR, 0x04, 0x02); /* * system addresses sequentially access data, follow * Memory Mode register bit 2 in the sequencer */ vga_set_grc(VGA_REG_ADDR, 0x05, 0x00); /* * set range of host memory addresses decoded by VGA * hardware -- A0000h-BFFFFh (128K region) */ vga_set_grc(VGA_REG_ADDR, 0x06, 0x00); /* * This assumes 8x16 characters, which yield the traditional 80x25 * screen. It really should support other character heights. */ bpc = 16; s = 0; /* font slot, maybe should use tunable there. */ f_offset = s * 8 * 1024; for (i = 0; i < 256; i++) { c = vga_cp437_to_uni(i); from = font_lookup(&tems.ts_font, c); to = (unsigned char *)PTOV(VGA_MEM_ADDR) + f_offset + i * 0x20; for (j = 0; j < bpc; j++) *to++ = *from++; } /* Sync-reset the sequencer registers */ vga_set_seq(VGA_REG_ADDR, 0x00, 0x01); /* enable write to plane 0 and 1 */ vga_set_seq(VGA_REG_ADDR, 0x02, 0x03); /* * enable character map selection * and odd/even addressing */ vga_set_seq(VGA_REG_ADDR, 0x04, 0x03); /* * select font map */ vga_set_seq(VGA_REG_ADDR, 0x03, fsreg[s]); /* Sync-reset ended, and allow the sequencer to operate */ vga_set_seq(VGA_REG_ADDR, 0x00, 0x03); /* restore graphic registers */ /* select plane 0 */ vga_set_grc(VGA_REG_ADDR, 0x04, 0x00); /* enable odd/even addressing mode */ vga_set_grc(VGA_REG_ADDR, 0x05, 0x10); /* * range of host memory addresses decoded by VGA * hardware -- B8000h-BFFFFh (32K region) */ vga_set_grc(VGA_REG_ADDR, 0x06, 0x0e); /* enable all color plane */ vga_set_atr(VGA_REG_ADDR, 0x12, 0x0f); } static int vidc_init(struct console *cp, int arg) { int i, rc; if (vidc_started && arg == 0) return (0); vidc_started = 1; vbe_init(); /* * Check Miscellaneous Output Register (Read at 3CCh, Write at 3C2h) * for bit 1 (Input/Output Address Select), which means * color/graphics adapter. */ if (vga_get_reg(VGA_REG_ADDR, VGA_MISC_R) & VGA_MISC_IOA_SEL) vgatext = (uint16_t *)PTOV(VGA_MEM_ADDR + VGA_COLOR_BASE); else vgatext = (uint16_t *)PTOV(VGA_MEM_ADDR + VGA_MONO_BASE); /* set 16bit colors */ i = vga_get_atr(VGA_REG_ADDR, VGA_ATR_MODE); i &= ~VGA_ATR_MODE_BLINK; i &= ~VGA_ATR_MODE_9WIDE; vga_set_atr(VGA_REG_ADDR, VGA_ATR_MODE, i); plat_tem_hide_prom_cursor(); memset(keybuf, 0, KEYBUFSZ); /* default to text mode */ cp->c_private = &text_ops; if (OPT_CHECK(RBX_TEXT_MODE) == 0 && vbe_available()) { rc = vbe_default_mode(); /* if rc is not legal VBE mode, use text mode */ if (VBE_VALID_MODE(rc)) { if (vbe_set_mode(rc) == 0) cp->c_private = &fb_ops; else bios_set_text_mode(VGA_TEXT_MODE); } } gfx_framework_init(); /* set up callback before calling tem_info_init(). */ tem_register_modechg_cb(vidc_install_font, (tem_modechg_cb_arg_t)cp); rc = tem_info_init(cp); if (rc != 0) { bios_set_text_mode(3); cp->c_private = &text_ops; rc = tem_info_init(cp); /* try again */ } if (rc == 0 && tem == NULL) { tem = tem_init(); if (tem != NULL) tem_activate(tem, true); } for (i = 0; i < 10 && vidc_ischar(cp); i++) (void) vidc_getchar(cp); return (0); } static void vidc_biosputchar(int c) { v86.ctl = 0; v86.addr = 0x10; v86.eax = 0xe00 | (c & 0xff); v86.ebx = 0x7; v86int(); } static void vidc_putchar(struct console *cp __unused, int c) { uint8_t buf = c; /* make sure we have some console output, support for panic() */ if (tem == NULL) vidc_biosputchar(c); else tem_write(tem, &buf, sizeof (buf)); } static int vidc_getchar(struct console *cp) { int i, c; for (i = 0; i < KEYBUFSZ; i++) { if (keybuf[i] != 0) { c = keybuf[i]; keybuf[i] = 0; return (c); } } if (vidc_ischar(cp)) { v86.ctl = 0; v86.addr = 0x16; v86.eax = 0x0; v86int(); if ((v86.eax & 0xff) != 0) { return (v86.eax & 0xff); } /* extended keys */ switch (v86.eax & 0xff00) { case 0x4800: /* up */ keybuf[0] = '['; keybuf[1] = 'A'; return (0x1b); /* esc */ case 0x4b00: /* left */ keybuf[0] = '['; keybuf[1] = 'D'; return (0x1b); /* esc */ case 0x4d00: /* right */ keybuf[0] = '['; keybuf[1] = 'C'; return (0x1b); /* esc */ case 0x5000: /* down */ keybuf[0] = '['; keybuf[1] = 'B'; return (0x1b); /* esc */ default: return (-1); } } else { return (-1); } } static int vidc_ischar(struct console *cp __unused) { int i; for (i = 0; i < KEYBUFSZ; i++) { if (keybuf[i] != 0) { return (1); } } v86.ctl = V86_FLAGS; v86.addr = 0x16; v86.eax = 0x100; v86int(); return (!V86_ZR(v86.efl)); } static void vidc_devinfo(struct console *cp __unused) { if (plat_stdout_is_framebuffer()) { printf("\tVESA %ux%ux%u framebuffer mode %#x", gfx_fb.framebuffer_common.framebuffer_width, gfx_fb.framebuffer_common.framebuffer_height, gfx_fb.framebuffer_common.framebuffer_bpp, vbe_get_mode()); } else { printf("\tVGA %ux%u text mode", TEXT_COLS, TEXT_ROWS); } } #if KEYBOARD_PROBE #define PROBE_MAXRETRY 5 #define PROBE_MAXWAIT 400 #define IO_DUMMY 0x84 #define IO_KBD 0x060 /* 8042 Keyboard */ /* selected defines from kbdio.h */ #define KBD_STATUS_PORT 4 /* status port, read */ /* data port, read/write also used as keyboard command and mouse command port */ #define KBD_DATA_PORT 0 #define KBDC_ECHO 0x00ee #define KBDS_ANY_BUFFER_FULL 0x0001 #define KBDS_INPUT_BUFFER_FULL 0x0002 #define KBD_ECHO 0x00ee /* 7 microsec delay necessary for some keyboard controllers */ static void delay7(void) { /* * I know this is broken, but no timer is available yet at this stage... * See also comments in `delay1ms()'. */ inb(IO_DUMMY); inb(IO_DUMMY); inb(IO_DUMMY); inb(IO_DUMMY); inb(IO_DUMMY); inb(IO_DUMMY); } /* * This routine uses an inb to an unused port, the time to execute that * inb is approximately 1.25uS. This value is pretty constant across * all CPU's and all buses, with the exception of some PCI implentations * that do not forward this I/O address to the ISA bus as they know it * is not a valid ISA bus address, those machines execute this inb in * 60 nS :-(. * */ static void delay1ms(void) { int i = 800; while (--i >= 0) (void) inb(0x84); } /* * We use the presence/absence of a keyboard to determine whether the internal * console can be used for input. * * Perform a simple test on the keyboard; issue the ECHO command and see * if the right answer is returned. We don't do anything as drastic as * full keyboard reset; it will be too troublesome and take too much time. */ static int probe_keyboard(void) { int retry = PROBE_MAXRETRY; int wait; int i; while (--retry >= 0) { /* flush any noise */ while (inb(IO_KBD + KBD_STATUS_PORT) & KBDS_ANY_BUFFER_FULL) { delay7(); inb(IO_KBD + KBD_DATA_PORT); delay1ms(); } /* wait until the controller can accept a command */ for (wait = PROBE_MAXWAIT; wait > 0; --wait) { if (((i = inb(IO_KBD + KBD_STATUS_PORT)) & (KBDS_INPUT_BUFFER_FULL | KBDS_ANY_BUFFER_FULL)) == 0) break; if (i & KBDS_ANY_BUFFER_FULL) { delay7(); inb(IO_KBD + KBD_DATA_PORT); } delay1ms(); } if (wait <= 0) continue; /* send the ECHO command */ outb(IO_KBD + KBD_DATA_PORT, KBDC_ECHO); /* wait for a response */ for (wait = PROBE_MAXWAIT; wait > 0; --wait) { if (inb(IO_KBD + KBD_STATUS_PORT) & KBDS_ANY_BUFFER_FULL) break; delay1ms(); } if (wait <= 0) continue; delay7(); i = inb(IO_KBD + KBD_DATA_PORT); #ifdef PROBE_KBD_BEBUG printf("probe_keyboard: got 0x%x.\n", i); #endif if (i == KBD_ECHO) { /* got the right answer */ return (1); } } return (0); } #endif /* KEYBOARD_PROBE */