diff --git a/ChangeLog b/ChangeLog index 9fe3fa8b0..5509a9f05 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,22 @@ +2010-06-21 Vladimir Serbinenko + + Initialise VGA video on qemu ourselves. + + * boot/i386/qemu/boot.S: Don't call 0xc000. + * conf/i386-qemu.rmk (kern/i386/qemu/init.c_DEPENDENCIES): New variable. + (kernel_img_SOURCES): Add kern/i386/qemu/init.c and bus/pci.c. + (kernel_img_HEADERS): Add pci.h. + * conf/i386.rmk (pkglib_MODULES) [qemu]: Remove pci.mod. + * configure.ac: Force unifont on qemu and yeeloong. + * include/grub/i386/qemu/kernel.h (grub_qemu_init_cirrus): New proto. + (grub_vga_palette_write): Use correct register. + * kern/i386/coreboot/init.c (grub_machine_init) [GRUB_MACHINE_QEMU]: + Call grub_qemu_init_cirrus. + * kern/i386/qemu/init.c: New file. + * term/i386/pc/vga_text.c (inc_y): Never read outside the screen. + + * commands/videotest.c (grub_cmd_videotest): Handle double buffering. + 2010-06-20 Vladimir Serbinenko Support >3GiB and <16MiB RAM in i386-qemu. diff --git a/boot/i386/qemu/boot.S b/boot/i386/qemu/boot.S index a84bd77a8..fe14f0f06 100644 --- a/boot/i386/qemu/boot.S +++ b/boot/i386/qemu/boot.S @@ -36,9 +36,6 @@ VARIABLE(grub_core_entry_addr) .long 0 1: - /* Process VGA rom. */ - call $0xc000, $0x3 - /* Set up %ds, %ss, and %es. */ xorw %ax, %ax movw %ax, %ds diff --git a/commands/videotest.c b/commands/videotest.c index 390811a71..f6a786e79 100644 --- a/commands/videotest.c +++ b/commands/videotest.c @@ -38,15 +38,8 @@ grub_cmd_videotest (grub_command_t cmd __attribute__ ((unused)), unsigned int width; unsigned int height; int i; - grub_font_t sansbig; - grub_font_t sans; - grub_font_t sanssmall; - grub_font_t fixed; - struct grub_font_glyph *glyph; struct grub_video_render_target *text_layer; grub_video_color_t palette[16]; - const char *str; - int texty; err = grub_video_set_mode ("auto", GRUB_VIDEO_MODE_TYPE_PURE_TEXT, 0); if (err) @@ -54,102 +47,115 @@ grub_cmd_videotest (grub_command_t cmd __attribute__ ((unused)), grub_video_get_viewport (&x, &y, &width, &height); - grub_video_create_render_target (&text_layer, width, height, - GRUB_VIDEO_MODE_TYPE_RGB - | GRUB_VIDEO_MODE_TYPE_ALPHA); + { + const char *str; + int texty; + grub_font_t sansbig; + grub_font_t sans; + grub_font_t sanssmall; + grub_font_t fixed; + struct grub_font_glyph *glyph; - grub_video_set_active_render_target (GRUB_VIDEO_RENDER_TARGET_DISPLAY); + grub_video_create_render_target (&text_layer, width, height, + GRUB_VIDEO_MODE_TYPE_RGB + | GRUB_VIDEO_MODE_TYPE_ALPHA); - color = grub_video_map_rgb (0, 0, 0); - grub_video_fill_rect (color, 0, 0, width, height); + grub_video_set_active_render_target (text_layer); - color = grub_video_map_rgb (255, 0, 0); - grub_video_fill_rect (color, 0, 0, 100, 100); + color = grub_video_map_rgb (0, 255, 255); + sansbig = grub_font_get ("Unknown Regular 16"); + sans = grub_font_get ("Unknown Regular 16"); + sanssmall = grub_font_get ("Unknown Regular 16"); + fixed = grub_font_get ("Fixed 20"); + if (! sansbig || ! sans || ! sanssmall || ! fixed) + return grub_error (GRUB_ERR_BAD_FONT, "no font loaded"); - color = grub_video_map_rgb (0, 255, 255); - grub_video_fill_rect (color, 100, 100, 100, 100); + glyph = grub_font_get_glyph (fixed, '*'); + grub_font_draw_glyph (glyph, color, 200 ,0); - sansbig = grub_font_get ("Unknown Regular 16"); - sans = grub_font_get ("Unknown Regular 16"); - sanssmall = grub_font_get ("Unknown Regular 16"); - fixed = grub_font_get ("Fixed 20"); - if (! sansbig || ! sans || ! sanssmall || ! fixed) - return grub_error (GRUB_ERR_BAD_FONT, "no font loaded"); + color = grub_video_map_rgb (255, 255, 255); - glyph = grub_font_get_glyph (fixed, '*'); - grub_font_draw_glyph (glyph, color, 200 ,0); + texty = 32; + grub_font_draw_string ("The quick brown fox jumped over the lazy dog.", + sans, color, 16, texty); + texty += grub_font_get_descent (sans) + grub_font_get_leading (sans); - grub_video_set_viewport (x + 150, y + 150, - width - 150 * 2, height - 150 * 2); - color = grub_video_map_rgb (77, 33, 77); - grub_video_fill_rect (color, 0, 0, width, height); + texty += grub_font_get_ascent (fixed); + grub_font_draw_string ("The quick brown fox jumped over the lazy dog.", + fixed, color, 16, texty); + texty += grub_font_get_descent (fixed) + grub_font_get_leading (fixed); - grub_video_set_active_render_target (text_layer); - - color = grub_video_map_rgb (255, 255, 255); - - texty = 32; - grub_font_draw_string ("The quick brown fox jumped over the lazy dog.", - sans, color, 16, texty); - texty += grub_font_get_descent (sans) + grub_font_get_leading (sans); - - texty += grub_font_get_ascent (fixed); - grub_font_draw_string ("The quick brown fox jumped over the lazy dog.", - fixed, color, 16, texty); - texty += grub_font_get_descent (fixed) + grub_font_get_leading (fixed); - - /* To convert Unicode characters into UTF-8 for this test, the following - command is useful: + /* To convert Unicode characters into UTF-8 for this test, the following + command is useful: echo -ne '\x00\x00\x26\x3A' | iconv -f UTF-32BE -t UTF-8 | od -t x1 - This converts the Unicode character U+263A to UTF-8. */ + This converts the Unicode character U+263A to UTF-8. */ - /* Characters used: - Code point Description UTF-8 encoding - ----------- ------------------------------ -------------- - U+263A unfilled smiley face E2 98 BA - U+00A1 inverted exclamation point C2 A1 - U+00A3 British pound currency symbol C2 A3 - U+03C4 Greek tau CF 84 - U+00E4 lowercase letter a with umlaut C3 A4 - U+2124 set 'Z' symbol (integers) E2 84 A4 - U+2287 subset symbol E2 8A 87 - U+211D set 'R' symbol (real numbers) E2 84 9D */ + /* Characters used: + Code point Description UTF-8 encoding + ----------- ------------------------------ -------------- + U+263A unfilled smiley face E2 98 BA + U+00A1 inverted exclamation point C2 A1 + U+00A3 British pound currency symbol C2 A3 + U+03C4 Greek tau CF 84 + U+00E4 lowercase letter a with umlaut C3 A4 + U+2124 set 'Z' symbol (integers) E2 84 A4 + U+2287 subset symbol E2 8A 87 + U+211D set 'R' symbol (real numbers) E2 84 9D */ - str = - "Unicode test: happy\xE2\x98\xBA \xC2\xA3 5.00" - " \xC2\xA1\xCF\x84\xC3\xA4u! " - " \xE2\x84\xA4\xE2\x8A\x87\xE2\x84\x9D"; - color = grub_video_map_rgb (128, 128, 255); + str = + "Unicode test: happy\xE2\x98\xBA \xC2\xA3 5.00" + " \xC2\xA1\xCF\x84\xC3\xA4u! " + " \xE2\x84\xA4\xE2\x8A\x87\xE2\x84\x9D"; + color = grub_video_map_rgb (128, 128, 255); - /* All characters in the string exist in the 'Fixed 20' (10x20) font. */ - texty += grub_font_get_ascent(fixed); - grub_font_draw_string (str, fixed, color, 16, texty); - texty += grub_font_get_descent (fixed) + grub_font_get_leading (fixed); + /* All characters in the string exist in the 'Fixed 20' (10x20) font. */ + texty += grub_font_get_ascent(fixed); + grub_font_draw_string (str, fixed, color, 16, texty); + texty += grub_font_get_descent (fixed) + grub_font_get_leading (fixed); - texty += grub_font_get_ascent(sansbig); - grub_font_draw_string (str, sansbig, color, 16, texty); - texty += grub_font_get_descent (sansbig) + grub_font_get_leading (sansbig); + texty += grub_font_get_ascent(sansbig); + grub_font_draw_string (str, sansbig, color, 16, texty); + texty += grub_font_get_descent (sansbig) + grub_font_get_leading (sansbig); - texty += grub_font_get_ascent(sans); - grub_font_draw_string (str, sans, color, 16, texty); - texty += grub_font_get_descent (sans) + grub_font_get_leading (sans); + texty += grub_font_get_ascent(sans); + grub_font_draw_string (str, sans, color, 16, texty); + texty += grub_font_get_descent (sans) + grub_font_get_leading (sans); - texty += grub_font_get_ascent(sanssmall); - grub_font_draw_string (str, sanssmall, color, 16, texty); - texty += (grub_font_get_descent (sanssmall) - + grub_font_get_leading (sanssmall)); + texty += grub_font_get_ascent(sanssmall); + grub_font_draw_string (str, sanssmall, color, 16, texty); + texty += (grub_font_get_descent (sanssmall) + + grub_font_get_leading (sanssmall)); - glyph = grub_font_get_glyph (fixed, '*'); + glyph = grub_font_get_glyph (fixed, '*'); - for (i = 0; i < 16; i++) - { - color = grub_video_map_color (i); - palette[i] = color; - grub_font_draw_glyph (glyph, color, 16 + i * 16, 220); - } + for (i = 0; i < 16; i++) + { + color = grub_video_map_color (i); + palette[i] = color; + grub_font_draw_glyph (glyph, color, 16 + i * 16, 220); + } + } grub_video_set_active_render_target (GRUB_VIDEO_RENDER_TARGET_DISPLAY); + for (i = 0; i < 2; i++) + { + color = grub_video_map_rgb (0, 0, 0); + grub_video_fill_rect (color, 0, 0, width, height); + + color = grub_video_map_rgb (255, 0, 0); + grub_video_fill_rect (color, 0, 0, 100, 100); + + color = grub_video_map_rgb (0, 255, 255); + grub_video_fill_rect (color, 100, 100, 100, 100); + + grub_video_set_viewport (x + 150, y + 150, + width - 150 * 2, height - 150 * 2); + color = grub_video_map_rgb (77, 33, 77); + grub_video_fill_rect (color, 0, 0, width, height); + grub_video_swap_buffers (); + } + for (i = 0; i < 5; i++) { color = grub_video_map_rgb (i, 33, 77); diff --git a/conf/i386-qemu.rmk b/conf/i386-qemu.rmk index ab3780ac4..adb5f7f0f 100644 --- a/conf/i386-qemu.rmk +++ b/conf/i386-qemu.rmk @@ -13,10 +13,13 @@ boot_img_ASFLAGS = $(COMMON_ASFLAGS) -DGRUB_BOOT_MACHINE_LINK_ADDR=$(GRUB_BOOT_M boot_img_LDFLAGS = $(COMMON_LDFLAGS) $(TARGET_IMG_LDFLAGS)$(GRUB_BOOT_MACHINE_LINK_ADDR) boot_img_FORMAT = binary +kern/i386/qemu/init.c_DEPENDENCIES = ascii.h + pkglib_PROGRAMS += kernel.img kernel_img_SOURCES = kern/i386/qemu/startup.S \ kern/i386/misc.S \ kern/i386/coreboot/init.c \ + kern/i386/qemu/init.c \ kern/i386/qemu/mmap.c \ kern/i386/halt.c \ kern/main.c kern/device.c \ @@ -29,8 +32,9 @@ kernel_img_SOURCES = kern/i386/qemu/startup.S \ kern/generic/rtc_get_time_ms.c \ kern/generic/millisleep.c \ kern/env.c \ - term/i386/pc/vga_text.c term/i386/vga_common.c \ + term/i386/pc/vga_text.c term/i386/vga_common.c bus/pci.c \ symlist.c +kernel_img_HEADERS += pci.h kernel_img_CFLAGS = $(COMMON_CFLAGS) -DGRUB_BOOT_MACHINE_LINK_ADDR=$(GRUB_BOOT_MACHINE_LINK_ADDR) kernel_img_ASFLAGS = $(COMMON_ASFLAGS) -DGRUB_KERNEL_MACHINE_LINK_ADDR=$(GRUB_KERNEL_MACHINE_LINK_ADDR) kernel_img_LDFLAGS += $(COMMON_LDFLAGS) $(TARGET_IMG_LDFLAGS)$(GRUB_KERNEL_MACHINE_LINK_ADDR) diff --git a/conf/i386.rmk b/conf/i386.rmk index 74a8d49cd..b1df584a6 100644 --- a/conf/i386.rmk +++ b/conf/i386.rmk @@ -60,11 +60,14 @@ serial_mod_SOURCES = term/serial.c serial_mod_CFLAGS = $(COMMON_CFLAGS) serial_mod_LDFLAGS = $(COMMON_LDFLAGS) +# On qemu it's compiled in +ifneq ($(platform), qemu) # For pci.mod pkglib_MODULES += pci.mod pci_mod_SOURCES = bus/pci.c pci_mod_CFLAGS = $(COMMON_CFLAGS) pci_mod_LDFLAGS = $(COMMON_LDFLAGS) +endif # For cs5536.mod pkglib_MODULES += cs5536.mod diff --git a/configure.ac b/configure.ac index 97c493e27..e5840118c 100644 --- a/configure.ac +++ b/configure.ac @@ -179,15 +179,23 @@ if test "x$YACC" = x; then AC_MSG_ERROR([bison is not found]) fi +FONT_SOURCE= + for ext in pcf pcf.gz bdf bdf.gz ttf ttf.gz; do for dir in . /usr/src /usr/share/fonts/X11/misc /usr/share/fonts/unifont; do if test -f "$dir/unifont.$ext"; then - AC_SUBST([FONT_SOURCE], [$dir/unifont.$ext]) + FONT_SOURCE="$dir/unifont.$ext" break 2 fi done done +if test "x$FONT_SOURCE" == x && ( test "x$platform" = xqemu || test "x$platform" = xyeeloong ); then + AC_MSG_ERROR([qemu and yeeloong ports need unifont]) +fi + +AC_SUBST([FONT_SOURCE]) + AC_PROG_INSTALL AC_PROG_AWK AC_PROG_LEX diff --git a/include/grub/i386/qemu/kernel.h b/include/grub/i386/qemu/kernel.h index 0aa2b3d09..df06e6731 100644 --- a/include/grub/i386/qemu/kernel.h +++ b/include/grub/i386/qemu/kernel.h @@ -34,6 +34,8 @@ extern grub_int32_t grub_kernel_image_size; /* The total size of module images following the kernel. */ extern grub_int32_t grub_total_module_size; +void grub_qemu_init_cirrus (void); + #endif /* ! ASM_FILE */ #endif /* ! GRUB_KERNEL_MACHINE_HEADER */ diff --git a/include/grub/vga.h b/include/grub/vga.h index d05ddd69b..d4a1523a7 100644 --- a/include/grub/vga.h +++ b/include/grub/vga.h @@ -21,6 +21,7 @@ enum { + GRUB_VGA_IO_ARX = 0x3c0, GRUB_VGA_IO_SR_INDEX = 0x3c4, GRUB_VGA_IO_SR_DATA = 0x3c5, GRUB_VGA_IO_PIXEL_MASK = 0x3c6, @@ -41,7 +42,8 @@ enum GRUB_VGA_CR_WIDTH = 0x01, GRUB_VGA_CR_OVERFLOW = 0x07, GRUB_VGA_CR_CELL_HEIGHT = 0x09, - GRUB_VGA_CR_CURSOR = 0x0a, + GRUB_VGA_CR_CURSOR_START = 0x0a, + GRUB_VGA_CR_CURSOR_END = 0x0b, GRUB_VGA_CR_START_ADDR_HIGH_REGISTER = 0x0c, GRUB_VGA_CR_START_ADDR_LOW_REGISTER = 0x0d, GRUB_VGA_CR_CURSOR_ADDR_HIGH = 0x0e, @@ -64,36 +66,68 @@ enum #define GRUB_VGA_CR_CELL_HEIGHT_LINE_COMPARE_MASK 0x40 #define GRUB_VGA_CR_CELL_HEIGHT_LINE_COMPARE_SHIFT 3 -#define GRUB_VGA_CR_CURSOR_DISABLE (1 << 5) +enum + { + GRUB_VGA_CR_CURSOR_START_DISABLE = (1 << 5) + }; #define GRUB_VGA_CR_PITCH_DIVISOR 8 -#define GRUB_VGA_CR_MODE_TIMING_ENABLE 0x80 -#define GRUB_VGA_CR_MODE_BYTE_MODE 0x40 -#define GRUB_VGA_CR_MODE_NO_HERCULES 0x02 -#define GRUB_VGA_CR_MODE_NO_CGA 0x01 - enum { - GRUB_VGA_SR_MAP_MASK_REGISTER = 0x02, - GRUB_VGA_SR_MEMORY_MODE = 0x04, + GRUB_VGA_CR_MODE_NO_CGA = 0x01, + GRUB_VGA_CR_MODE_NO_HERCULES = 0x02, + GRUB_VGA_CR_MODE_BYTE_MODE = 0x40, + GRUB_VGA_CR_MODE_TIMING_ENABLE = 0x80 }; -#define GRUB_VGA_SR_MEMORY_MODE_CHAIN4 8 -#define GRUB_VGA_SR_MEMORY_MODE_NORMAL 0 +enum + { + GRUB_VGA_SR_CLOCKING_MODE = 1, + GRUB_VGA_SR_MAP_MASK_REGISTER = 2, + GRUB_VGA_SR_MEMORY_MODE = 4, + }; enum { - GRUB_VGA_GR_READ_MAP_REGISTER = 0x04, + GRUB_VGA_SR_CLOCKING_MODE_8_DOT_CLOCK = 1 + }; + +enum + { + GRUB_VGA_SR_MEMORY_MODE_NORMAL = 0, + GRUB_VGA_SR_MEMORY_MODE_CHAIN4 = 8 + }; + +enum + { + GRUB_VGA_GR_DATA_ROTATE = 3, + GRUB_VGA_GR_READ_MAP_REGISTER = 4, GRUB_VGA_GR_MODE = 5, GRUB_VGA_GR_GR6 = 6, + GRUB_VGA_GR_BITMASK = 8, GRUB_VGA_GR_MAX }; -#define GRUB_VGA_GR_GR6_GRAPHICS_MODE 1 +enum + { + GRUB_VGA_TEXT_TEXT_PLANE = 0, + GRUB_VGA_TEXT_ATTR_PLANE = 1, + GRUB_VGA_TEXT_FONT_PLANE = 2 + }; -#define GRUB_VGA_GR_MODE_256_COLOR 0x40 -#define GRUB_VGA_GR_MODE_READ_MODE1 0x08 +enum + { + GRUB_VGA_GR_GR6_GRAPHICS_MODE = 1, + GRUB_VGA_GR_GR6_MMAP_CGA = (3 << 2) + }; + +enum + { + GRUB_VGA_GR_MODE_READ_MODE1 = 0x08, + GRUB_VGA_GR_MODE_ODD_EVEN = 0x10, + GRUB_VGA_GR_MODE_256_COLOR = 0x40 + }; static inline void grub_vga_gr_write (grub_uint8_t val, grub_uint8_t addr) @@ -151,7 +185,7 @@ static inline void grub_vga_palette_write (grub_uint8_t addr, grub_uint8_t r, grub_uint8_t g, grub_uint8_t b) { - grub_outb (addr, GRUB_VGA_IO_PALLETTE_READ_INDEX); + grub_outb (addr, GRUB_VGA_IO_PALLETTE_WRITE_INDEX); grub_outb (r, GRUB_VGA_IO_PALLETTE_DATA); grub_outb (g, GRUB_VGA_IO_PALLETTE_DATA); grub_outb (b, GRUB_VGA_IO_PALLETTE_DATA); diff --git a/kern/i386/coreboot/init.c b/kern/i386/coreboot/init.c index 8defc9589..0afbfd3af 100644 --- a/kern/i386/coreboot/init.c +++ b/kern/i386/coreboot/init.c @@ -71,6 +71,9 @@ grub_exit (void) void grub_machine_init (void) { +#ifdef GRUB_MACHINE_QEMU + grub_qemu_init_cirrus (); +#endif /* Initialize the console as early as possible. */ grub_vga_text_init (); diff --git a/kern/i386/qemu/init.c b/kern/i386/qemu/init.c new file mode 100644 index 000000000..ff4c7b62f --- /dev/null +++ b/kern/i386/qemu/init.c @@ -0,0 +1,152 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2010 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#include +#include +#include +#include + +static struct {grub_uint8_t r, g, b, a; } colors[] = + { + // {R, G, B, A} + {0x00, 0x00, 0x00, 0xFF}, // 0 = black + {0x00, 0x00, 0xA8, 0xFF}, // 1 = blue + {0x00, 0xA8, 0x00, 0xFF}, // 2 = green + {0x00, 0xA8, 0xA8, 0xFF}, // 3 = cyan + {0xA8, 0x00, 0x00, 0xFF}, // 4 = red + {0xA8, 0x00, 0xA8, 0xFF}, // 5 = magenta + {0xA8, 0x54, 0x00, 0xFF}, // 6 = brown + {0xA8, 0xA8, 0xA8, 0xFF}, // 7 = light gray + + {0x54, 0x54, 0x54, 0xFF}, // 8 = dark gray + {0x54, 0x54, 0xFE, 0xFF}, // 9 = bright blue + {0x54, 0xFE, 0x54, 0xFF}, // 10 = bright green + {0x54, 0xFE, 0xFE, 0xFF}, // 11 = bright cyan + {0xFE, 0x54, 0x54, 0xFF}, // 12 = bright red + {0xFE, 0x54, 0xFE, 0xFF}, // 13 = bright magenta + {0xFE, 0xFE, 0x54, 0xFF}, // 14 = yellow + {0xFE, 0xFE, 0xFE, 0xFF} // 15 = white + }; + +#include + +static void +load_font (void) +{ + unsigned i; + + grub_vga_gr_write (0 << 2, GRUB_VGA_GR_GR6); + + grub_vga_sr_write (GRUB_VGA_SR_MEMORY_MODE_NORMAL, GRUB_VGA_SR_MEMORY_MODE); + grub_vga_sr_write (1 << GRUB_VGA_TEXT_FONT_PLANE, + GRUB_VGA_SR_MAP_MASK_REGISTER); + + grub_vga_gr_write (0, GRUB_VGA_GR_DATA_ROTATE); + grub_vga_gr_write (0, GRUB_VGA_GR_MODE); + grub_vga_gr_write (0xff, GRUB_VGA_GR_BITMASK); + + for (i = 0; i < 128; i++) + grub_memcpy ((void *) (0xa0000 + 32 * i), ascii_bitmaps + 16 * (0x7f - i), 16); +} + +static void +load_palette (void) +{ + unsigned i; + for (i = 0; i < 16; i++) + { + grub_outb (i, GRUB_VGA_IO_ARX); + grub_outb (i, GRUB_VGA_IO_ARX); + } + + for (i = 0; i < ARRAY_SIZE (colors); i++) + grub_vga_palette_write (i, colors[i].r, colors[i].g, colors[i].b); +} + +void +grub_qemu_init_cirrus (void) +{ + auto int NESTED_FUNC_ATTR find_card (grub_pci_device_t dev, grub_pci_id_t pciid); + int NESTED_FUNC_ATTR find_card (grub_pci_device_t dev, grub_pci_id_t pciid __attribute__ ((unused))) + { + grub_pci_address_t addr; + grub_uint32_t class; + + addr = grub_pci_make_address (dev, GRUB_PCI_REG_CLASS); + class = grub_pci_read (addr); + + if (((class >> 16) & 0xffff) != 0x0300) + return 0; + + /* FIXME: chooose addresses dynamically. */ + addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESS_REG0); + grub_pci_write (addr, 0xf0000000 | GRUB_PCI_ADDR_MEM_PREFETCH + | GRUB_PCI_ADDR_SPACE_MEMORY | GRUB_PCI_ADDR_MEM_TYPE_32); + addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESS_REG1); + grub_pci_write (addr, 0xf2000000 + | GRUB_PCI_ADDR_SPACE_MEMORY | GRUB_PCI_ADDR_MEM_TYPE_32); + + addr = grub_pci_make_address (dev, GRUB_PCI_REG_COMMAND); + grub_pci_write (addr, GRUB_PCI_COMMAND_MEM_ENABLED + | GRUB_PCI_COMMAND_IO_ENABLED); + + return 1; + } + + grub_pci_iterate (find_card); + + grub_outb (1, 0x3c2); + + load_font (); + + grub_vga_gr_write (GRUB_VGA_GR_GR6_MMAP_CGA, GRUB_VGA_GR_GR6); + grub_vga_gr_write (GRUB_VGA_GR_MODE_ODD_EVEN, GRUB_VGA_GR_MODE); + + grub_vga_sr_write (GRUB_VGA_SR_MEMORY_MODE_NORMAL, GRUB_VGA_SR_MEMORY_MODE); + + grub_vga_sr_write ((1 << GRUB_VGA_TEXT_TEXT_PLANE) + | (1 << GRUB_VGA_TEXT_ATTR_PLANE), + GRUB_VGA_SR_MAP_MASK_REGISTER); + + grub_vga_cr_write (15, GRUB_VGA_CR_CELL_HEIGHT); + grub_vga_cr_write (79, GRUB_VGA_CR_WIDTH); + grub_vga_cr_write (40, GRUB_VGA_CR_PITCH); + + int vert = 25 * 16; + grub_vga_cr_write (vert & 0xff, GRUB_VGA_CR_HEIGHT); + grub_vga_cr_write (((vert >> GRUB_VGA_CR_OVERFLOW_HEIGHT1_SHIFT) + & GRUB_VGA_CR_OVERFLOW_HEIGHT1_MASK) + | ((vert >> GRUB_VGA_CR_OVERFLOW_HEIGHT2_SHIFT) + & GRUB_VGA_CR_OVERFLOW_HEIGHT2_MASK), + GRUB_VGA_CR_OVERFLOW); + + load_palette (); + + grub_outb (0x10, 0x3c0); + grub_outb (0, 0x3c1); + grub_outb (0x14, 0x3c0); + grub_outb (0, 0x3c1); + + grub_vga_sr_write (GRUB_VGA_SR_CLOCKING_MODE_8_DOT_CLOCK, + GRUB_VGA_SR_CLOCKING_MODE); + + grub_vga_cr_write (14, GRUB_VGA_CR_CURSOR_START); + grub_vga_cr_write (15, GRUB_VGA_CR_CURSOR_END); + + grub_outb (0x20, 0x3c0); +} diff --git a/term/i386/pc/vga_text.c b/term/i386/pc/vga_text.c index 8bc14cb61..717a7576e 100644 --- a/term/i386/pc/vga_text.c +++ b/term/i386/pc/vga_text.c @@ -58,9 +58,11 @@ inc_y (void) else { int x, y; - for (y = 0; y < ROWS; y++) + for (y = 0; y < ROWS - 1; y++) for (x = 0; x < COLS; x++) screen_write_char (x, y, screen_read_char (x, y + 1)); + for (x = 0; x < COLS; x++) + screen_write_char (x, ROWS - 1, ' ' | (grub_console_cur_color << 8)); } } @@ -124,11 +126,13 @@ static void grub_vga_text_setcursor (int on) { grub_uint8_t old; - old = grub_vga_cr_read (GRUB_VGA_CR_CURSOR); + old = grub_vga_cr_read (GRUB_VGA_CR_CURSOR_START); if (on) - grub_vga_cr_write (old & ~GRUB_VGA_CR_CURSOR_DISABLE, GRUB_VGA_CR_CURSOR); + grub_vga_cr_write (old & ~GRUB_VGA_CR_CURSOR_START_DISABLE, + GRUB_VGA_CR_CURSOR_START); else - grub_vga_cr_write (old | GRUB_VGA_CR_CURSOR_DISABLE, GRUB_VGA_CR_CURSOR); + grub_vga_cr_write (old | GRUB_VGA_CR_CURSOR_START_DISABLE, + GRUB_VGA_CR_CURSOR_START); } static grub_err_t