From 4d88b9aec7d3fd1786d4e897a8aa7f2cf045365b Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Mon, 21 Jun 2010 01:02:48 +0200 Subject: [PATCH] Init cirrus ourselves instead of calling videobios --- boot/i386/qemu/boot.S | 3 - conf/i386-qemu.rmk | 6 +- conf/i386.rmk | 3 + configure.ac | 7 ++ include/grub/i386/qemu/kernel.h | 2 + kern/i386/coreboot/init.c | 3 + kern/i386/qemu/init.c | 152 ++++++++++++++++++++++++++++++++ 7 files changed, 172 insertions(+), 4 deletions(-) create mode 100644 kern/i386/qemu/init.c diff --git a/boot/i386/qemu/boot.S b/boot/i386/qemu/boot.S index 03631a22a..b4d75f776 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, $0x3 - /* Set up %ds, %ss, and %es. */ xorw %ax, %ax movw %ax, %ds diff --git a/conf/i386-qemu.rmk b/conf/i386-qemu.rmk index 664bef12a..03a18c3a9 100644 --- a/conf/i386-qemu.rmk +++ b/conf/i386-qemu.rmk @@ -19,10 +19,13 @@ grub_mkimage_SOURCES = util/grub-mkrawimage.c util/misc.c \ grub_mkimage_CFLAGS = -DGRUB_KERNEL_MACHINE_LINK_ADDR=$(GRUB_KERNEL_MACHINE_LINK_ADDR) util/grub-mkrawimage.c_DEPENDENCIES = Makefile +kern/i386/qemu/init.c_DEPENDENCIES = ascii.h + pkglib_IMAGES += 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 \ @@ -35,8 +38,9 @@ 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 5e1191c1e..28da1be8d 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 = $(COMMON_LDFLAGS) +endif # For lspci.mod pkglib_MODULES += lspci.mod diff --git a/configure.ac b/configure.ac index 4e1dd41d8..085146b68 100644 --- a/configure.ac +++ b/configure.ac @@ -178,13 +178,20 @@ if test "x$YACC" = x; then AC_MSG_ERROR([bison is not found]) fi +FONT_SOURCE= + for file in /usr/src/unifont.bdf /usr/share/fonts/X11/misc/unifont.pcf.gz /usr/share/fonts/unifont/unifont.pcf.gz; do if test -e $file ; then + FONT_SOURCE=$file AC_SUBST([FONT_SOURCE], [$file]) break fi done +if test "x$FONT_SOURCE" == x && ( test "x$platform" = xqemu || test "x$platform" = xyeeloong ); then + AC_MSG_ERROR([qemu and yeeloong ports need unifont]) +fi + AC_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 bc0b93d4f..d1599ae3a 100644 --- a/include/grub/i386/qemu/kernel.h +++ b/include/grub/i386/qemu/kernel.h @@ -48,6 +48,8 @@ extern grub_int32_t grub_total_module_size; configuration file are located. */ extern char grub_prefix[]; +void grub_qemu_init_cirrus (void); + #endif /* ! ASM_FILE */ #endif /* ! GRUB_KERNEL_MACHINE_HEADER */ diff --git a/kern/i386/coreboot/init.c b/kern/i386/coreboot/init.c index f7b837044..84dd30e0b 100644 --- a/kern/i386/coreboot/init.c +++ b/kern/i386/coreboot/init.c @@ -70,6 +70,9 @@ 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..3bb497e9d --- /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_REG_STATUS_MEMORY_ENABLE + | GRUB_PCI_REG_STATUS_IO_ENABLE); + + 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); +}