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Makefile
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Makefile.depend
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delay.c
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devicename.c
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devpath.c
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efi_console.c
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libefi.c
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Editing: efi_console.c
/*- * Copyright (c) 2000 Doug Rabson * 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. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); #include <sys/param.h> #include <efi.h> #include <efilib.h> #include <teken.h> #include <sys/reboot.h> #include <machine/metadata.h> #include <gfx_fb.h> #include <framebuffer.h> #include "bootstrap.h" extern EFI_GUID gop_guid; static EFI_GUID simple_input_ex_guid = EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL_GUID; static SIMPLE_TEXT_OUTPUT_INTERFACE *conout; static SIMPLE_INPUT_INTERFACE *conin; static EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *coninex; static bool efi_started; static int mode; /* Does ConOut have serial console? */ static uint32_t utf8_left; static uint32_t utf8_partial; #ifdef TERM_EMU #define DEFAULT_FGCOLOR EFI_LIGHTGRAY #define DEFAULT_BGCOLOR EFI_BLACK #define MAXARGS 8 static int args[MAXARGS], argc; static int fg_c, bg_c, curx, cury; static int esc; void get_pos(int *x, int *y); void curs_move(int *_x, int *_y, int x, int y); static void CL(int); void HO(void); void end_term(void); #endif #define TEXT_ROWS 24 #define TEXT_COLS 80 static tf_bell_t efi_cons_bell; static tf_cursor_t efi_text_cursor; static tf_putchar_t efi_text_putchar; static tf_fill_t efi_text_fill; static tf_copy_t efi_text_copy; static tf_param_t efi_text_param; static tf_respond_t efi_cons_respond; static teken_funcs_t tf = { .tf_bell = efi_cons_bell, .tf_cursor = efi_text_cursor, .tf_putchar = efi_text_putchar, .tf_fill = efi_text_fill, .tf_copy = efi_text_copy, .tf_param = efi_text_param, .tf_respond = efi_cons_respond, }; static teken_funcs_t tfx = { .tf_bell = efi_cons_bell, .tf_cursor = gfx_fb_cursor, .tf_putchar = gfx_fb_putchar, .tf_fill = gfx_fb_fill, .tf_copy = gfx_fb_copy, .tf_param = gfx_fb_param, .tf_respond = efi_cons_respond, }; #define KEYBUFSZ 10 static unsigned keybuf[KEYBUFSZ]; /* keybuf for extended codes */ static int key_pending; static const unsigned char teken_color_to_efi_color[16] = { EFI_BLACK, EFI_RED, EFI_GREEN, EFI_BROWN, EFI_BLUE, EFI_MAGENTA, EFI_CYAN, EFI_LIGHTGRAY, EFI_DARKGRAY, EFI_LIGHTRED, EFI_LIGHTGREEN, EFI_YELLOW, EFI_LIGHTBLUE, EFI_LIGHTMAGENTA, EFI_LIGHTCYAN, EFI_WHITE }; static void efi_cons_probe(struct console *); static int efi_cons_init(int); void efi_cons_putchar(int); int efi_cons_getchar(void); void efi_cons_efiputchar(int); int efi_cons_poll(void); static void cons_draw_frame(teken_attr_t *); struct console efi_console = { "efi", "EFI console", C_WIDEOUT, efi_cons_probe, efi_cons_init, efi_cons_putchar, efi_cons_getchar, efi_cons_poll }; /* * This function is used to mark a rectangular image area so the scrolling * will know we need to copy the data from there. */ void term_image_display(teken_gfx_t *state, const teken_rect_t *r) { teken_pos_t p; int idx; if (screen_buffer == NULL) return; for (p.tp_row = r->tr_begin.tp_row; p.tp_row < r->tr_end.tp_row; p.tp_row++) { for (p.tp_col = r->tr_begin.tp_col; p.tp_col < r->tr_end.tp_col; p.tp_col++) { idx = p.tp_col + p.tp_row * state->tg_tp.tp_col; if (idx >= state->tg_tp.tp_col * state->tg_tp.tp_row) return; screen_buffer[idx].a.ta_format |= TF_IMAGE; } } } /* * Not implemented. */ static void efi_cons_bell(void *s __unused) { } static void efi_text_cursor(void *arg, const teken_pos_t *p) { teken_gfx_t *state = arg; UINTN col, row; row = p->tp_row; if (p->tp_row >= state->tg_tp.tp_row) row = state->tg_tp.tp_row - 1; col = p->tp_col; if (p->tp_col >= state->tg_tp.tp_col) col = state->tg_tp.tp_col - 1; conout->SetCursorPosition(conout, col, row); } static void efi_text_printchar(teken_gfx_t *state, const teken_pos_t *p, bool autoscroll) { UINTN a, attr; struct text_pixel *px; teken_color_t fg, bg, tmp; px = screen_buffer + p->tp_col + p->tp_row * state->tg_tp.tp_col; a = conout->Mode->Attribute; fg = teken_256to16(px->a.ta_fgcolor); bg = teken_256to16(px->a.ta_bgcolor); if (px->a.ta_format & TF_BOLD) fg |= TC_LIGHT; if (px->a.ta_format & TF_BLINK) bg |= TC_LIGHT; if (px->a.ta_format & TF_REVERSE) { tmp = fg; fg = bg; bg = tmp; } attr = EFI_TEXT_ATTR(teken_color_to_efi_color[fg], teken_color_to_efi_color[bg] & 0x7); conout->SetCursorPosition(conout, p->tp_col, p->tp_row); /* to prevent autoscroll, skip print of lower right char */ if (!autoscroll && p->tp_row == state->tg_tp.tp_row - 1 && p->tp_col == state->tg_tp.tp_col - 1) return; (void) conout->SetAttribute(conout, attr); efi_cons_efiputchar(px->c); (void) conout->SetAttribute(conout, a); } static void efi_text_putchar(void *s, const teken_pos_t *p, teken_char_t c, const teken_attr_t *a) { teken_gfx_t *state = s; EFI_STATUS status; int idx; idx = p->tp_col + p->tp_row * state->tg_tp.tp_col; if (idx >= state->tg_tp.tp_col * state->tg_tp.tp_row) return; screen_buffer[idx].c = c; screen_buffer[idx].a = *a; efi_text_printchar(s, p, false); } static void efi_text_fill(void *arg, const teken_rect_t *r, teken_char_t c, const teken_attr_t *a) { teken_gfx_t *state = arg; teken_pos_t p; if (state->tg_cursor_visible) conout->EnableCursor(conout, FALSE); for (p.tp_row = r->tr_begin.tp_row; p.tp_row < r->tr_end.tp_row; p.tp_row++) for (p.tp_col = r->tr_begin.tp_col; p.tp_col < r->tr_end.tp_col; p.tp_col++) efi_text_putchar(state, &p, c, a); if (state->tg_cursor_visible) conout->EnableCursor(conout, TRUE); } static void efi_text_copy_line(teken_gfx_t *state, int ncol, teken_pos_t *s, teken_pos_t *d, bool scroll) { unsigned soffset, doffset; teken_pos_t sp, dp; int x; soffset = s->tp_col + s->tp_row * state->tg_tp.tp_col; doffset = d->tp_col + d->tp_row * state->tg_tp.tp_col; sp = *s; dp = *d; for (x = 0; x < ncol; x++) { sp.tp_col = s->tp_col + x; dp.tp_col = d->tp_col + x; if (!is_same_pixel(&screen_buffer[soffset + x], &screen_buffer[doffset + x])) { screen_buffer[doffset + x] = screen_buffer[soffset + x]; if (!scroll) efi_text_printchar(state, &dp, false); } else if (scroll) { /* Draw last char and trigger scroll. */ if (dp.tp_col + 1 == state->tg_tp.tp_col && dp.tp_row + 1 == state->tg_tp.tp_row) { efi_text_printchar(state, &dp, true); } } } } static void efi_text_copy(void *arg, const teken_rect_t *r, const teken_pos_t *p) { teken_gfx_t *state = arg; unsigned doffset, soffset; teken_pos_t d, s; int nrow, ncol, x, y; /* Has to be signed - >= 0 comparison */ bool scroll = false; /* * Copying is a little tricky. We must make sure we do it in * correct order, to make sure we don't overwrite our own data. */ nrow = r->tr_end.tp_row - r->tr_begin.tp_row; ncol = r->tr_end.tp_col - r->tr_begin.tp_col; /* * Check if we do copy whole screen. */ if (p->tp_row == 0 && p->tp_col == 0 && nrow == state->tg_tp.tp_row - 2 && ncol == state->tg_tp.tp_col - 2) scroll = true; soffset = r->tr_begin.tp_col + r->tr_begin.tp_row * state->tg_tp.tp_col; doffset = p->tp_col + p->tp_row * state->tg_tp.tp_col; /* remove the cursor */ if (state->tg_cursor_visible) conout->EnableCursor(conout, FALSE); /* * Copy line by line. */ if (doffset <= soffset) { s = r->tr_begin; d = *p; for (y = 0; y < nrow; y++) { s.tp_row = r->tr_begin.tp_row + y; d.tp_row = p->tp_row + y; efi_text_copy_line(state, ncol, &s, &d, scroll); } } else { for (y = nrow - 1; y >= 0; y--) { s.tp_row = r->tr_begin.tp_row + y; d.tp_row = p->tp_row + y; efi_text_copy_line(state, ncol, &s, &d, false); } } /* display the cursor */ if (state->tg_cursor_visible) conout->EnableCursor(conout, TRUE); } static void efi_text_param(void *arg, int cmd, unsigned int value) { teken_gfx_t *state = arg; switch (cmd) { case TP_SETLOCALCURSOR: /* * 0 means normal (usually block), 1 means hidden, and * 2 means blinking (always block) for compatibility with * syscons. We don't support any changes except hiding, * so must map 2 to 0. */ value = (value == 1) ? 0 : 1; /* FALLTHROUGH */ case TP_SHOWCURSOR: if (value != 0) { conout->EnableCursor(conout, TRUE); state->tg_cursor_visible = true; } else { conout->EnableCursor(conout, FALSE); state->tg_cursor_visible = false; } break; default: /* Not yet implemented */ break; } } /* * Not implemented. */ static void efi_cons_respond(void *s __unused, const void *buf __unused, size_t len __unused) { } /* * Set up conin/conout/coninex to make sure we have input ready. */ static void efi_cons_probe(struct console *cp) { EFI_STATUS status; conout = ST->ConOut; conin = ST->ConIn; /* * Call SetMode to work around buggy firmware. */ status = conout->SetMode(conout, conout->Mode->Mode); if (coninex == NULL) { status = BS->OpenProtocol(ST->ConsoleInHandle, &simple_input_ex_guid, (void **)&coninex, IH, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL); if (status != EFI_SUCCESS) coninex = NULL; } cp->c_flags |= C_PRESENTIN | C_PRESENTOUT; } static bool color_name_to_teken(const char *name, int *val) { if (strcasecmp(name, "black") == 0) { *val = TC_BLACK; return (true); } if (strcasecmp(name, "red") == 0) { *val = TC_RED; return (true); } if (strcasecmp(name, "green") == 0) { *val = TC_GREEN; return (true); } if (strcasecmp(name, "brown") == 0) { *val = TC_BROWN; return (true); } if (strcasecmp(name, "blue") == 0) { *val = TC_BLUE; return (true); } if (strcasecmp(name, "magenta") == 0) { *val = TC_MAGENTA; return (true); } if (strcasecmp(name, "cyan") == 0) { *val = TC_CYAN; return (true); } if (strcasecmp(name, "white") == 0) { *val = TC_WHITE; return (true); } return (false); } static int efi_set_colors(struct env_var *ev, int flags, const void *value) { int val = 0; char buf[2]; const void *evalue; const teken_attr_t *ap; teken_attr_t a; if (value == NULL) return (CMD_OK); if (color_name_to_teken(value, &val)) { snprintf(buf, sizeof (buf), "%d", val); evalue = buf; } else { char *end; errno = 0; val = (int)strtol(value, &end, 0); if (errno != 0 || *end != '\0') { printf("Allowed values are either ansi color name or " "number from range [0-7].\n"); return (CMD_OK); } evalue = value; } ap = teken_get_defattr(&gfx_state.tg_teken); a = *ap; if (strcmp(ev->ev_name, "teken.fg_color") == 0) { /* is it already set? */ if (ap->ta_fgcolor == val) return (CMD_OK); a.ta_fgcolor = val; } if (strcmp(ev->ev_name, "teken.bg_color") == 0) { /* is it already set? */ if (ap->ta_bgcolor == val) return (CMD_OK); a.ta_bgcolor = val; } /* Improve visibility */ if (a.ta_bgcolor == TC_WHITE) a.ta_bgcolor |= TC_LIGHT; teken_set_defattr(&gfx_state.tg_teken, &a); cons_draw_frame(&a); env_setenv(ev->ev_name, flags | EV_NOHOOK, evalue, NULL, NULL); teken_input(&gfx_state.tg_teken, "\e[2J", 4); return (CMD_OK); } #ifdef TERM_EMU /* Get cursor position. */ void get_pos(int *x, int *y) { *x = conout->Mode->CursorColumn; *y = conout->Mode->CursorRow; } /* Move cursor to x rows and y cols (0-based). */ void curs_move(int *_x, int *_y, int x, int y) { conout->SetCursorPosition(conout, x, y); if (_x != NULL) *_x = conout->Mode->CursorColumn; if (_y != NULL) *_y = conout->Mode->CursorRow; } /* Clear internal state of the terminal emulation code. */ void end_term(void) { esc = 0; argc = -1; } #endif static void efi_cons_rawputchar(int c) { int i; UINTN x, y; conout->QueryMode(conout, conout->Mode->Mode, &x, &y); if (c == '\t') { int n; n = 8 - ((conout->Mode->CursorColumn + 8) % 8); for (i = 0; i < n; i++) efi_cons_rawputchar(' '); } else { #ifndef TERM_EMU if (c == '\n') efi_cons_efiputchar('\r'); efi_cons_efiputchar(c); #else switch (c) { case '\r': curx = 0; efi_cons_efiputchar('\r'); return; case '\n': efi_cons_efiputchar('\n'); efi_cons_efiputchar('\r'); cury++; if (cury >= y) cury--; curx = 0; return; case '\b': if (curx > 0) { efi_cons_efiputchar('\b'); curx--; } return; default: efi_cons_efiputchar(c); curx++; if (curx > x-1) { curx = 0; cury++; } if (cury > y-1) { curx = 0; cury--; } } #endif } conout->EnableCursor(conout, TRUE); } #ifdef TERM_EMU /* Gracefully exit ESC-sequence processing in case of misunderstanding. */ static void bail_out(int c) { char buf[16], *ch; int i; if (esc) { efi_cons_rawputchar('\033'); if (esc != '\033') efi_cons_rawputchar(esc); for (i = 0; i <= argc; ++i) { sprintf(buf, "%d", args[i]); ch = buf; while (*ch) efi_cons_rawputchar(*ch++); } } efi_cons_rawputchar(c); end_term(); } /* Clear display from current position to end of screen. */ static void CD(void) { int i; UINTN x, y; get_pos(&curx, &cury); if (curx == 0 && cury == 0) { conout->ClearScreen(conout); end_term(); return; } conout->QueryMode(conout, conout->Mode->Mode, &x, &y); CL(0); /* clear current line from cursor to end */ for (i = cury + 1; i < y-1; i++) { curs_move(NULL, NULL, 0, i); CL(0); } curs_move(NULL, NULL, curx, cury); end_term(); } /* * Absolute cursor move to args[0] rows and args[1] columns * (the coordinates are 1-based). */ static void CM(void) { if (args[0] > 0) args[0]--; if (args[1] > 0) args[1]--; curs_move(&curx, &cury, args[1], args[0]); end_term(); } /* Home cursor (left top corner), also called from mode command. */ void HO(void) { argc = 1; args[0] = args[1] = 1; CM(); } /* Clear line from current position to end of line */ static void CL(int direction) { int i, len; UINTN x, y; CHAR16 *line; conout->QueryMode(conout, conout->Mode->Mode, &x, &y); switch (direction) { case 0: /* from cursor to end */ len = x - curx + 1; break; case 1: /* from beginning to cursor */ len = curx; break; case 2: /* entire line */ len = x; break; default: /* NOTREACHED */ __unreachable(); } if (cury == y - 1) len--; line = malloc(len * sizeof (CHAR16)); if (line == NULL) { printf("out of memory\n"); return; } for (i = 0; i < len; i++) line[i] = ' '; line[len-1] = 0; if (direction != 0) curs_move(NULL, NULL, 0, cury); conout->OutputString(conout, line); /* restore cursor position */ curs_move(NULL, NULL, curx, cury); free(line); end_term(); } static void get_arg(int c) { if (argc < 0) argc = 0; args[argc] *= 10; args[argc] += c - '0'; } #endif /* Emulate basic capabilities of cons25 terminal */ static void efi_term_emu(int c) { #ifdef TERM_EMU static int ansi_col[] = { 0, 4, 2, 6, 1, 5, 3, 7 }; int t, i; EFI_STATUS status; switch (esc) { case 0: switch (c) { case '\033': esc = c; break; default: efi_cons_rawputchar(c); break; } break; case '\033': switch (c) { case '[': esc = c; args[0] = 0; argc = -1; break; default: bail_out(c); break; } break; case '[': switch (c) { case ';': if (argc < 0) argc = 0; else if (argc + 1 >= MAXARGS) bail_out(c); else args[++argc] = 0; break; case 'H': /* ho = \E[H */ if (argc < 0) HO(); else if (argc == 1) CM(); else bail_out(c); break; case 'J': /* cd = \E[J */ if (argc < 0) CD(); else bail_out(c); break; case 'm': if (argc < 0) { fg_c = DEFAULT_FGCOLOR; bg_c = DEFAULT_BGCOLOR; } for (i = 0; i <= argc; ++i) { switch (args[i]) { case 0: /* back to normal */ fg_c = DEFAULT_FGCOLOR; bg_c = DEFAULT_BGCOLOR; break; case 1: /* bold */ fg_c |= 0x8; break; case 4: /* underline */ case 5: /* blink */ bg_c |= 0x8; break; case 7: /* reverse */ t = fg_c; fg_c = bg_c; bg_c = t; break; case 22: /* normal intensity */ fg_c &= ~0x8; break; case 24: /* not underline */ case 25: /* not blinking */ bg_c &= ~0x8; break; case 30: case 31: case 32: case 33: case 34: case 35: case 36: case 37: fg_c = ansi_col[args[i] - 30]; break; case 39: /* normal */ fg_c = DEFAULT_FGCOLOR; break; case 40: case 41: case 42: case 43: case 44: case 45: case 46: case 47: bg_c = ansi_col[args[i] - 40]; break; case 49: /* normal */ bg_c = DEFAULT_BGCOLOR; break; } } conout->SetAttribute(conout, EFI_TEXT_ATTR(fg_c, bg_c)); end_term(); break; default: if (isdigit(c)) get_arg(c); else bail_out(c); break; } break; default: bail_out(c); break; } #else efi_cons_rawputchar(c); #endif } static int env_screen_nounset(struct env_var *ev __unused) { if (gfx_state.tg_fb_type == FB_TEXT) return (0); return (EPERM); } static void cons_draw_frame(teken_attr_t *a) { teken_attr_t attr = *a; teken_color_t fg = a->ta_fgcolor; attr.ta_fgcolor = attr.ta_bgcolor; teken_set_defattr(&gfx_state.tg_teken, &attr); gfx_fb_drawrect(0, 0, gfx_state.tg_fb.fb_width, gfx_state.tg_origin.tp_row, 1); gfx_fb_drawrect(0, gfx_state.tg_fb.fb_height - gfx_state.tg_origin.tp_row - 1, gfx_state.tg_fb.fb_width, gfx_state.tg_fb.fb_height, 1); gfx_fb_drawrect(0, gfx_state.tg_origin.tp_row, gfx_state.tg_origin.tp_col, gfx_state.tg_fb.fb_height - gfx_state.tg_origin.tp_row - 1, 1); gfx_fb_drawrect( gfx_state.tg_fb.fb_width - gfx_state.tg_origin.tp_col - 1, gfx_state.tg_origin.tp_row, gfx_state.tg_fb.fb_width, gfx_state.tg_fb.fb_height, 1); attr.ta_fgcolor = fg; teken_set_defattr(&gfx_state.tg_teken, &attr); } bool cons_update_mode(bool use_gfx_mode) { UINTN cols, rows; const teken_attr_t *a; teken_attr_t attr; EFI_STATUS status; char env[10], *ptr; if (!efi_started) return (false); /* * Despite the use_gfx_mode, we want to make sure we call * efi_find_framebuffer(). This will populate the fb data, * which will be passed to kernel. */ if (efi_find_framebuffer(&gfx_state) == 0 && use_gfx_mode) { int roff, goff, boff; roff = ffs(gfx_state.tg_fb.fb_mask_red) - 1; goff = ffs(gfx_state.tg_fb.fb_mask_green) - 1; boff = ffs(gfx_state.tg_fb.fb_mask_blue) - 1; (void) generate_cons_palette(cmap, COLOR_FORMAT_RGB, gfx_state.tg_fb.fb_mask_red >> roff, roff, gfx_state.tg_fb.fb_mask_green >> goff, goff, gfx_state.tg_fb.fb_mask_blue >> boff, boff); } else { /* * Either text mode was asked by user or we failed to * find frame buffer. */ gfx_state.tg_fb_type = FB_TEXT; } status = conout->QueryMode(conout, conout->Mode->Mode, &cols, &rows); if (EFI_ERROR(status) || cols * rows == 0) { cols = TEXT_COLS; rows = TEXT_ROWS; } /* * When we have serial port listed in ConOut, use pre-teken emulator, * if built with. * The problem is, we can not output text on efi and comconsole when * efi also has comconsole bound. But then again, we need to have * terminal emulator for efi text mode to support the menu. * While teken is too expensive to be used on serial console, the * pre-teken emulator is light enough to be used on serial console. * * When doing multiple consoles (both serial and video), * also just use the old emulator. RB_MULTIPLE also implies * we're using a serial console. */ mode = parse_uefi_con_out(); if ((mode & (RB_SERIAL | RB_MULTIPLE)) == 0) { conout->EnableCursor(conout, FALSE); gfx_state.tg_cursor_visible = false; if (gfx_state.tg_fb_type == FB_TEXT) { gfx_state.tg_functions = &tf; /* ensure the following are not set for text mode */ unsetenv("screen.height"); unsetenv("screen.width"); unsetenv("screen.depth"); } else { uint32_t fb_height, fb_width; fb_height = gfx_state.tg_fb.fb_height; fb_width = gfx_state.tg_fb.fb_width; /* * setup_font() can adjust terminal size. * We can see two kind of bad happening. * We either can get too small console font - requested * terminal size is large, display resolution is * large, and we get very small font. * Or, we can get too large font - requested * terminal size is small and this will cause large * font to be selected. * Now, the setup_font() is updated to consider * display density and this should give us mostly * acceptable font. However, the catch is, not all * display devices will give us display density. * Still, we do hope, external monitors do - this is * where the display size will matter the most. * And for laptop screens, we should still get good * results by requesting 80x25 terminal. */ gfx_state.tg_tp.tp_row = 25; gfx_state.tg_tp.tp_col = 80; setup_font(&gfx_state, fb_height, fb_width); rows = gfx_state.tg_tp.tp_row; cols = gfx_state.tg_tp.tp_col; /* Point of origin in pixels. */ gfx_state.tg_origin.tp_row = (fb_height - (rows * gfx_state.tg_font.vf_height)) / 2; gfx_state.tg_origin.tp_col = (fb_width - (cols * gfx_state.tg_font.vf_width)) / 2; /* UEFI gop has depth 32. */ gfx_state.tg_glyph_size = gfx_state.tg_font.vf_height * gfx_state.tg_font.vf_width * 4; free(gfx_state.tg_glyph); gfx_state.tg_glyph = malloc(gfx_state.tg_glyph_size); if (gfx_state.tg_glyph == NULL) return (false); gfx_state.tg_functions = &tfx; snprintf(env, sizeof (env), "%d", fb_height); env_setenv("screen.height", EV_VOLATILE | EV_NOHOOK, env, env_noset, env_screen_nounset); snprintf(env, sizeof (env), "%d", fb_width); env_setenv("screen.width", EV_VOLATILE | EV_NOHOOK, env, env_noset, env_screen_nounset); snprintf(env, sizeof (env), "%d", gfx_state.tg_fb.fb_bpp); env_setenv("screen.depth", EV_VOLATILE | EV_NOHOOK, env, env_noset, env_screen_nounset); } /* Record our terminal screen size. */ gfx_state.tg_tp.tp_row = rows; gfx_state.tg_tp.tp_col = cols; teken_init(&gfx_state.tg_teken, gfx_state.tg_functions, &gfx_state); free(screen_buffer); screen_buffer = malloc(rows * cols * sizeof(*screen_buffer)); if (screen_buffer != NULL) { teken_set_winsize(&gfx_state.tg_teken, &gfx_state.tg_tp); a = teken_get_defattr(&gfx_state.tg_teken); attr = *a; /* * On first run, we set up the efi_set_colors() * callback. If the env is already set, we * pick up fg and bg color values from the environment. */ ptr = getenv("teken.fg_color"); if (ptr != NULL) { attr.ta_fgcolor = strtol(ptr, NULL, 10); ptr = getenv("teken.bg_color"); attr.ta_bgcolor = strtol(ptr, NULL, 10); teken_set_defattr(&gfx_state.tg_teken, &attr); } else { snprintf(env, sizeof(env), "%d", attr.ta_fgcolor); env_setenv("teken.fg_color", EV_VOLATILE, env, efi_set_colors, env_nounset); snprintf(env, sizeof(env), "%d", attr.ta_bgcolor); env_setenv("teken.bg_color", EV_VOLATILE, env, efi_set_colors, env_nounset); } } } if (screen_buffer == NULL) { conout->EnableCursor(conout, TRUE); #ifdef TERM_EMU conout->SetAttribute(conout, EFI_TEXT_ATTR(DEFAULT_FGCOLOR, DEFAULT_BGCOLOR)); end_term(); get_pos(&curx, &cury); curs_move(&curx, &cury, curx, cury); fg_c = DEFAULT_FGCOLOR; bg_c = DEFAULT_BGCOLOR; #endif } else { /* Improve visibility */ if (attr.ta_bgcolor == TC_WHITE) attr.ta_bgcolor |= TC_LIGHT; teken_set_defattr(&gfx_state.tg_teken, &attr); /* Draw frame around terminal area. */ cons_draw_frame(&attr); /* * Erase display, this will also fill our screen * buffer. */ teken_input(&gfx_state.tg_teken, "\e[2J", 4); gfx_state.tg_functions->tf_param(&gfx_state, TP_SHOWCURSOR, 1); } snprintf(env, sizeof (env), "%u", (unsigned)rows); setenv("LINES", env, 1); snprintf(env, sizeof (env), "%u", (unsigned)cols); setenv("COLUMNS", env, 1); return (true); } static int efi_cons_init(int arg) { EFI_STATUS status; if (efi_started) return (0); efi_started = true; gfx_framework_init(); if (cons_update_mode(gfx_state.tg_fb_type != FB_TEXT)) return (0); return (1); } static void input_partial(void) { unsigned i; uint32_t c; if (utf8_left == 0) return; for (i = 0; i < sizeof(utf8_partial); i++) { c = (utf8_partial >> (24 - (i << 3))) & 0xff; if (c != 0) efi_term_emu(c); } utf8_left = 0; utf8_partial = 0; } static void input_byte(uint8_t c) { if ((c & 0x80) == 0x00) { /* One-byte sequence. */ input_partial(); efi_term_emu(c); return; } if ((c & 0xe0) == 0xc0) { /* Two-byte sequence. */ input_partial(); utf8_left = 1; utf8_partial = c; return; } if ((c & 0xf0) == 0xe0) { /* Three-byte sequence. */ input_partial(); utf8_left = 2; utf8_partial = c; return; } if ((c & 0xf8) == 0xf0) { /* Four-byte sequence. */ input_partial(); utf8_left = 3; utf8_partial = c; return; } if ((c & 0xc0) == 0x80) { /* Invalid state? */ if (utf8_left == 0) { efi_term_emu(c); return; } utf8_left--; utf8_partial = (utf8_partial << 8) | c; if (utf8_left == 0) { uint32_t v, u; uint8_t b; v = 0; u = utf8_partial; b = (u >> 24) & 0xff; if (b != 0) { /* Four-byte sequence */ v = b & 0x07; b = (u >> 16) & 0xff; v = (v << 6) | (b & 0x3f); b = (u >> 8) & 0xff; v = (v << 6) | (b & 0x3f); b = u & 0xff; v = (v << 6) | (b & 0x3f); } else if ((b = (u >> 16) & 0xff) != 0) { v = b & 0x0f; /* Three-byte sequence */ b = (u >> 8) & 0xff; v = (v << 6) | (b & 0x3f); b = u & 0xff; v = (v << 6) | (b & 0x3f); } else if ((b = (u >> 8) & 0xff) != 0) { v = b & 0x1f; /* Two-byte sequence */ b = u & 0xff; v = (v << 6) | (b & 0x3f); } /* Send unicode char directly to console. */ efi_cons_efiputchar(v); utf8_partial = 0; } return; } /* Anything left is illegal in UTF-8 sequence. */ input_partial(); efi_term_emu(c); } void efi_cons_putchar(int c) { unsigned char ch = c; /* * Don't use Teken when we're doing pure serial, or a multiple console * with video "primary" because that's also serial. */ if ((mode & (RB_SERIAL | RB_MULTIPLE)) != 0 || screen_buffer == NULL) { input_byte(ch); return; } teken_input(&gfx_state.tg_teken, &ch, sizeof (ch)); } static int keybuf_getchar(void) { int i, c = 0; for (i = 0; i < KEYBUFSZ; i++) { if (keybuf[i] != 0) { c = keybuf[i]; keybuf[i] = 0; break; } } return (c); } static bool keybuf_ischar(void) { int i; for (i = 0; i < KEYBUFSZ; i++) { if (keybuf[i] != 0) return (true); } return (false); } /* * We are not reading input before keybuf is empty, so we are safe * just to fill keybuf from the beginning. */ static void keybuf_inschar(EFI_INPUT_KEY *key) { switch (key->ScanCode) { case SCAN_UP: /* UP */ keybuf[0] = 0x1b; /* esc */ keybuf[1] = '['; keybuf[2] = 'A'; break; case SCAN_DOWN: /* DOWN */ keybuf[0] = 0x1b; /* esc */ keybuf[1] = '['; keybuf[2] = 'B'; break; case SCAN_RIGHT: /* RIGHT */ keybuf[0] = 0x1b; /* esc */ keybuf[1] = '['; keybuf[2] = 'C'; break; case SCAN_LEFT: /* LEFT */ keybuf[0] = 0x1b; /* esc */ keybuf[1] = '['; keybuf[2] = 'D'; break; case SCAN_DELETE: keybuf[0] = CHAR_BACKSPACE; break; case SCAN_ESC: keybuf[0] = 0x1b; /* esc */ break; default: keybuf[0] = key->UnicodeChar; break; } } static bool efi_readkey(void) { EFI_STATUS status; EFI_INPUT_KEY key; status = conin->ReadKeyStroke(conin, &key); if (status == EFI_SUCCESS) { keybuf_inschar(&key); return (true); } return (false); } static bool efi_readkey_ex(void) { EFI_STATUS status; EFI_INPUT_KEY *kp; EFI_KEY_DATA key_data; uint32_t kss; status = coninex->ReadKeyStrokeEx(coninex, &key_data); if (status == EFI_SUCCESS) { kss = key_data.KeyState.KeyShiftState; kp = &key_data.Key; if (kss & EFI_SHIFT_STATE_VALID) { /* * quick mapping to control chars, replace with * map lookup later. */ if (kss & EFI_RIGHT_CONTROL_PRESSED || kss & EFI_LEFT_CONTROL_PRESSED) { if (kp->UnicodeChar >= 'a' && kp->UnicodeChar <= 'z') { kp->UnicodeChar -= 'a'; kp->UnicodeChar++; } } } /* * The shift state and/or toggle state may not be valid, * but we still can have ScanCode or UnicodeChar. */ if (kp->ScanCode == 0 && kp->UnicodeChar == 0) return (false); keybuf_inschar(kp); return (true); } return (false); } int efi_cons_getchar(void) { int c; if ((c = keybuf_getchar()) != 0) return (c); key_pending = 0; if (coninex == NULL) { if (efi_readkey()) return (keybuf_getchar()); } else { if (efi_readkey_ex()) return (keybuf_getchar()); } return (-1); } int efi_cons_poll(void) { EFI_STATUS status; if (keybuf_ischar() || key_pending) return (1); /* * Some EFI implementation (u-boot for example) do not support * WaitForKey(). * CheckEvent() can clear the signaled state. */ if (coninex != NULL) { if (coninex->WaitForKeyEx == NULL) { key_pending = efi_readkey_ex(); } else { status = BS->CheckEvent(coninex->WaitForKeyEx); key_pending = status == EFI_SUCCESS; } } else { if (conin->WaitForKey == NULL) { key_pending = efi_readkey(); } else { status = BS->CheckEvent(conin->WaitForKey); key_pending = status == EFI_SUCCESS; } } return (key_pending); } /* Plain direct access to EFI OutputString(). */ void efi_cons_efiputchar(int c) { CHAR16 buf[2]; EFI_STATUS status; buf[0] = c; buf[1] = 0; /* terminate string */ status = conout->TestString(conout, buf); if (EFI_ERROR(status)) buf[0] = '?'; conout->OutputString(conout, buf); }
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