From b044bf0351fe2dda87e6072133d41c339715452c Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Wed, 16 Dec 2009 19:04:58 +0100 Subject: [PATCH 1/6] use video subsystem on EFI --- conf/i386-efi.rmk | 2 +- conf/i386-pc.rmk | 2 +- conf/x86_64-efi.rmk | 2 +- include/grub/i386/xnu.h | 1 - loader/i386/efi/linux.c | 277 +++++++++++++++------------------------- loader/i386/efi/xnu.c | 178 -------------------------- loader/i386/pc/xnu.c | 108 ---------------- loader/i386/xnu.c | 83 ++++++++++++ 8 files changed, 190 insertions(+), 463 deletions(-) delete mode 100644 loader/i386/efi/xnu.c delete mode 100644 loader/i386/pc/xnu.c diff --git a/conf/i386-efi.rmk b/conf/i386-efi.rmk index 629b83999..a037ed383 100644 --- a/conf/i386-efi.rmk +++ b/conf/i386-efi.rmk @@ -154,7 +154,7 @@ efi_gop_mod_CFLAGS = $(COMMON_CFLAGS) efi_gop_mod_LDFLAGS = $(COMMON_LDFLAGS) pkglib_MODULES += xnu.mod -xnu_mod_SOURCES = loader/xnu_resume.c loader/i386/xnu.c loader/i386/efi/xnu.c\ +xnu_mod_SOURCES = loader/xnu_resume.c loader/i386/xnu.c \ loader/macho.c loader/xnu.c xnu_mod_CFLAGS = $(COMMON_CFLAGS) xnu_mod_LDFLAGS = $(COMMON_LDFLAGS) diff --git a/conf/i386-pc.rmk b/conf/i386-pc.rmk index 031c24adf..b71a7edc0 100644 --- a/conf/i386-pc.rmk +++ b/conf/i386-pc.rmk @@ -183,7 +183,7 @@ linux_mod_CFLAGS = $(COMMON_CFLAGS) linux_mod_LDFLAGS = $(COMMON_LDFLAGS) pkglib_MODULES += xnu.mod -xnu_mod_SOURCES = loader/xnu_resume.c loader/i386/xnu.c loader/i386/pc/xnu.c\ +xnu_mod_SOURCES = loader/xnu_resume.c loader/i386/xnu.c \ loader/macho.c loader/xnu.c xnu_mod_CFLAGS = $(COMMON_CFLAGS) xnu_mod_LDFLAGS = $(COMMON_LDFLAGS) diff --git a/conf/x86_64-efi.rmk b/conf/x86_64-efi.rmk index ee511e1bd..6db52f480 100644 --- a/conf/x86_64-efi.rmk +++ b/conf/x86_64-efi.rmk @@ -160,7 +160,7 @@ efi_gop_mod_CFLAGS = $(COMMON_CFLAGS) efi_gop_mod_LDFLAGS = $(COMMON_LDFLAGS) pkglib_MODULES += xnu.mod -xnu_mod_SOURCES = loader/xnu_resume.c loader/i386/xnu.c loader/i386/efi/xnu.c\ +xnu_mod_SOURCES = loader/xnu_resume.c loader/i386/xnu.c \ loader/macho.c loader/xnu.c xnu_mod_CFLAGS = $(COMMON_CFLAGS) xnu_mod_LDFLAGS = $(COMMON_LDFLAGS) diff --git a/include/grub/i386/xnu.h b/include/grub/i386/xnu.h index 306dc7b65..ea2767a79 100644 --- a/include/grub/i386/xnu.h +++ b/include/grub/i386/xnu.h @@ -76,6 +76,5 @@ extern grub_uint32_t grub_xnu_arg1; extern char grub_xnu_cmdline[1024]; grub_err_t grub_xnu_boot (void); grub_err_t grub_cpu_xnu_fill_devicetree (void); -grub_err_t grub_xnu_set_video (struct grub_xnu_boot_params *bootparams_relloc); extern grub_uint32_t grub_xnu_heap_will_be_at; #endif diff --git a/loader/i386/efi/linux.c b/loader/i386/efi/linux.c index 8cd4d23f2..3b066d589 100644 --- a/loader/i386/efi/linux.c +++ b/loader/i386/efi/linux.c @@ -29,10 +29,11 @@ #include #include #include -#include -#include #include #include +#include +#include +#include #define GRUB_LINUX_CL_OFFSET 0x1000 #define GRUB_LINUX_CL_END_OFFSET 0x2000 @@ -285,6 +286,66 @@ grub_e820_add_region (struct grub_e820_mmap *e820_map, int *e820_num, } } +static grub_err_t +grub_linux_setup_video (struct linux_kernel_params *params) +{ + struct grub_video_mode_info mode_info; + void *framebuffer; + grub_err_t err; + + err = grub_video_get_info_and_fini (&mode_info, &framebuffer); + + if (err) + return err; + + params->lfb_width = mode_info.width; + params->lfb_height = mode_info.height; + params->lfb_depth = mode_info.bpp; + params->lfb_line_len = mode_info.pitch; + + params->lfb_base = (grub_size_t) framebuffer; + params->lfb_size = (params->lfb_line_len * params->lfb_height + 65535) >> 16; + + params->red_mask_size = mode_info.red_mask_size; + params->red_field_pos = mode_info.red_field_pos; + params->green_mask_size = mode_info.green_mask_size; + params->green_field_pos = mode_info.green_field_pos; + params->blue_mask_size = mode_info.blue_mask_size; + params->blue_field_pos = mode_info.blue_field_pos; + params->reserved_mask_size = mode_info.reserved_mask_size; + params->reserved_field_pos = mode_info.reserved_field_pos; + + params->have_vga = GRUB_VIDEO_TYPE_EFI; + +#ifdef GRUB_MACHINE_PCBIOS + /* VESA packed modes may come with zeroed mask sizes, which need + to be set here according to DAC Palette width. If we don't, + this results in Linux displaying a black screen. */ + if (mode_info.bpp <= 8) + { + struct grub_vbe_info_block controller_info; + int status; + int width = 8; + + status = grub_vbe_bios_get_controller_info (&controller_info); + + if (status == GRUB_VBE_STATUS_OK && + (controller_info.capabilities & GRUB_VBE_CAPABILITY_DACWIDTH)) + status = grub_vbe_bios_set_dac_palette_width (&width); + + if (status != GRUB_VBE_STATUS_OK) + /* 6 is default after mode reset. */ + width = 6; + + params->red_mask_size = params->green_mask_size + = params->blue_mask_size = width; + params->reserved_mask_size = 0; + } +#endif + + return 0; +} + #ifdef __x86_64__ extern grub_uint8_t grub_linux_trampoline_start[]; extern grub_uint8_t grub_linux_trampoline_end[]; @@ -299,9 +360,14 @@ grub_linux_boot (void) grub_efi_uintn_t desc_size; grub_efi_uint32_t desc_version; int e820_num; + const char *modevar; + char *tmp; + grub_err_t err; params = real_mode_mem; + grub_printf ("%d\n", __LINE__); + grub_dprintf ("linux", "code32_start = %x, idt_desc = %lx, gdt_desc = %lx\n", (unsigned) params->code32_start, (unsigned long) &(idt_desc.limit), @@ -310,6 +376,8 @@ grub_linux_boot (void) (unsigned) idt_desc.limit, (unsigned long) idt_desc.base, (unsigned) gdt_desc.limit, (unsigned long) gdt_desc.base); + grub_printf ("%d\n", __LINE__); + auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t, grub_uint32_t); int NESTED_FUNC_ATTR hook (grub_uint64_t addr, grub_uint64_t size, grub_uint32_t type) { @@ -348,10 +416,43 @@ grub_linux_boot (void) return 0; } + grub_printf ("%d\n", __LINE__); + e820_num = 0; grub_mmap_iterate (hook); params->mmap_size = e820_num; + modevar = grub_env_get ("gfxpayload"); + + /* Now all graphical modes are acceptable. + May change in future if we have modes without framebuffer. */ + if (modevar && *modevar != 0) + { + tmp = grub_malloc (grub_strlen (modevar) + + sizeof (";auto")); + if (! tmp) + return grub_errno; + grub_sprintf (tmp, "%s;auto", modevar); + err = grub_video_set_mode (tmp, GRUB_VIDEO_MODE_TYPE_PURE_TEXT, 0); + grub_free (tmp); + } + else + err = grub_video_set_mode ("auto", GRUB_VIDEO_MODE_TYPE_PURE_TEXT, 0); + + grub_printf ("Trampoline at %p. code32=%x, real_mode_mem=%p\n", + ((char *) prot_mode_mem + (prot_mode_pages << 12)), + (unsigned) params->code32_start, real_mode_mem); + + if (!err) + err = grub_linux_setup_video (params); + + if (err) + { + grub_print_error (); + grub_printf ("Booting however\n"); + grub_errno = GRUB_ERR_NONE; + } + mmap_size = find_mmap_size (); if (grub_efi_get_memory_map (&mmap_size, mmap_buf, &map_key, &desc_size, &desc_version) <= 0) @@ -424,174 +525,6 @@ grub_linux_unload (void) return GRUB_ERR_NONE; } -static grub_efi_guid_t uga_draw_guid = GRUB_EFI_UGA_DRAW_GUID; - - -#define RGB_MASK 0xffffff -#define RGB_MAGIC 0x121314 -#define LINE_MIN 800 -#define LINE_MAX 4096 -#define FBTEST_STEP (0x10000 >> 2) -#define FBTEST_COUNT 8 - -static int -find_line_len (grub_uint32_t *fb_base, grub_uint32_t *line_len) -{ - grub_uint32_t *base = (grub_uint32_t *) (grub_target_addr_t) *fb_base; - int i; - - for (i = 0; i < FBTEST_COUNT; i++, base += FBTEST_STEP) - { - if ((*base & RGB_MASK) == RGB_MAGIC) - { - int j; - - for (j = LINE_MIN; j <= LINE_MAX; j++) - { - if ((base[j] & RGB_MASK) == RGB_MAGIC) - { - *fb_base = (grub_uint32_t) (grub_target_addr_t) base; - *line_len = j << 2; - - return 1; - } - } - - break; - } - } - - return 0; -} - -static int -find_framebuf (grub_uint32_t *fb_base, grub_uint32_t *line_len) -{ - int found = 0; - - 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) - { - grub_pci_address_t addr; - - addr = grub_pci_make_address (dev, 2); - if (grub_pci_read (addr) >> 24 == 0x3) - { - int i; - - grub_printf ("Display controller: %d:%d.%d\nDevice id: %x\n", - grub_pci_get_bus (dev), grub_pci_get_device (dev), - grub_pci_get_function (dev), pciid); - addr += 8; - for (i = 0; i < 6; i++, addr += 4) - { - grub_uint32_t old_bar1, old_bar2, type; - grub_uint64_t base64; - - old_bar1 = grub_pci_read (addr); - if ((! old_bar1) || (old_bar1 & GRUB_PCI_ADDR_SPACE_IO)) - continue; - - type = old_bar1 & GRUB_PCI_ADDR_MEM_TYPE_MASK; - if (type == GRUB_PCI_ADDR_MEM_TYPE_64) - { - if (i == 5) - break; - - old_bar2 = grub_pci_read (addr + 4); - } - else - old_bar2 = 0; - - base64 = old_bar2; - base64 <<= 32; - base64 |= (old_bar1 & GRUB_PCI_ADDR_MEM_MASK); - - grub_printf ("%s(%d): 0x%llx\n", - ((old_bar1 & GRUB_PCI_ADDR_MEM_PREFETCH) ? - "VMEM" : "MMIO"), i, - (unsigned long long) base64); - - if ((old_bar1 & GRUB_PCI_ADDR_MEM_PREFETCH) && (! found)) - { - *fb_base = base64; - if (find_line_len (fb_base, line_len)) - found++; - } - - if (type == GRUB_PCI_ADDR_MEM_TYPE_64) - { - i++; - addr += 4; - } - } - } - - return found; - } - - grub_pci_iterate (find_card); - return found; -} - -static int -grub_linux_setup_video (struct linux_kernel_params *params) -{ - grub_efi_uga_draw_protocol_t *c; - grub_uint32_t width, height, depth, rate, pixel, fb_base, line_len; - int ret; - - c = grub_efi_locate_protocol (&uga_draw_guid, 0); - if (! c) - return 1; - - if (efi_call_5 (c->get_mode, c, &width, &height, &depth, &rate)) - return 1; - - grub_printf ("Video mode: %ux%u-%u@%u\n", width, height, depth, rate); - - grub_efi_set_text_mode (0); - pixel = RGB_MAGIC; - efi_call_10 (c->blt, c, (struct grub_efi_uga_pixel *) &pixel, - GRUB_EFI_UGA_VIDEO_FILL, 0, 0, 0, 0, 1, height, 0); - ret = find_framebuf (&fb_base, &line_len); - grub_efi_set_text_mode (1); - - if (! ret) - { - grub_printf ("Can\'t find frame buffer address\n"); - return 1; - } - - grub_printf ("Frame buffer base: 0x%x\n", fb_base); - grub_printf ("Video line length: %d\n", line_len); - - params->lfb_width = width; - params->lfb_height = height; - params->lfb_depth = depth; - params->lfb_line_len = line_len; - - params->lfb_base = fb_base; - params->lfb_size = (line_len * params->lfb_height + 65535) >> 16; - - params->red_mask_size = 8; - params->red_field_pos = 16; - params->green_mask_size = 8; - params->green_field_pos = 8; - params->blue_mask_size = 8; - params->blue_field_pos = 0; - params->reserved_mask_size = 8; - params->reserved_field_pos = 24; - - params->have_vga = GRUB_VIDEO_TYPE_VLFB; - params->vid_mode = 0x338; /* 1024x768x32 */ - - return 0; -} - static grub_err_t grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)), int argc, char *argv[]) @@ -790,8 +723,6 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)), grub_printf (" [Linux-bzImage, setup=0x%x, size=0x%x]\n", (unsigned) real_size, (unsigned) prot_size); - grub_linux_setup_video (params); - /* Detect explicitly specified memory size, if any. */ linux_mem_size = 0; for (i = 1; i < argc; i++) @@ -857,7 +788,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)), if (grub_errno == GRUB_ERR_NONE) { - grub_loader_set (grub_linux_boot, grub_linux_unload, 1); + grub_loader_set (grub_linux_boot, grub_linux_unload, 0); loaded = 1; } diff --git a/loader/i386/efi/xnu.c b/loader/i386/efi/xnu.c deleted file mode 100644 index 236732804..000000000 --- a/loader/i386/efi/xnu.c +++ /dev/null @@ -1,178 +0,0 @@ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 2009 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 -#include -#include -#include -#include - -/* Setup video for xnu. Big parts are copied from linux.c. */ - -static grub_efi_guid_t uga_draw_guid = GRUB_EFI_UGA_DRAW_GUID; - -#define RGB_MASK 0xffffff -#define RGB_MAGIC 0x121314 -#define LINE_MIN 800 -#define LINE_MAX 4096 -#define FBTEST_STEP (0x10000 >> 2) -#define FBTEST_COUNT 8 - -static int -find_line_len (grub_uint32_t *fb_base, grub_uint32_t *line_len) -{ - grub_uint32_t *base = (grub_uint32_t *) (grub_target_addr_t) *fb_base; - int i; - - for (i = 0; i < FBTEST_COUNT; i++, base += FBTEST_STEP) - { - if ((*base & RGB_MASK) == RGB_MAGIC) - { - int j; - - for (j = LINE_MIN; j <= LINE_MAX; j++) - { - if ((base[j] & RGB_MASK) == RGB_MAGIC) - { - *fb_base = (grub_uint32_t) (grub_target_addr_t) base; - *line_len = j << 2; - - return 1; - } - } - - break; - } - } - - return 0; -} - -static int -find_framebuf (grub_uint32_t *fb_base, grub_uint32_t *line_len) -{ - int found = 0; - - 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) - { - grub_pci_address_t addr; - - addr = grub_pci_make_address (dev, 2); - if (grub_pci_read (addr) >> 24 == 0x3) - { - int i; - - grub_printf ("Display controller: %d:%d.%d\nDevice id: %x\n", - grub_pci_get_bus (dev), grub_pci_get_device (dev), - grub_pci_get_function (dev), pciid); - addr += 8; - for (i = 0; i < 6; i++, addr += 4) - { - grub_uint32_t old_bar1, old_bar2, type; - grub_uint64_t base64; - - old_bar1 = grub_pci_read (addr); - if ((! old_bar1) || (old_bar1 & GRUB_PCI_ADDR_SPACE_IO)) - continue; - - type = old_bar1 & GRUB_PCI_ADDR_MEM_TYPE_MASK; - if (type == GRUB_PCI_ADDR_MEM_TYPE_64) - { - if (i == 5) - break; - - old_bar2 = grub_pci_read (addr + 4); - } - else - old_bar2 = 0; - - base64 = old_bar2; - base64 <<= 32; - base64 |= (old_bar1 & GRUB_PCI_ADDR_MEM_MASK); - - grub_printf ("%s(%d): 0x%llx\n", - ((old_bar1 & GRUB_PCI_ADDR_MEM_PREFETCH) ? - "VMEM" : "MMIO"), i, - (unsigned long long) base64); - - if ((old_bar1 & GRUB_PCI_ADDR_MEM_PREFETCH) && (! found)) - { - *fb_base = base64; - if (find_line_len (fb_base, line_len)) - found++; - } - - if (type == GRUB_PCI_ADDR_MEM_TYPE_64) - { - i++; - addr += 4; - } - } - } - - return found; - } - - grub_pci_iterate (find_card); - return found; -} - -grub_err_t -grub_xnu_set_video (struct grub_xnu_boot_params *params) -{ - grub_efi_uga_draw_protocol_t *c; - grub_uint32_t width, height, depth, rate, pixel, fb_base, line_len; - int ret; - - c = grub_efi_locate_protocol (&uga_draw_guid, 0); - if (! c) - return grub_error (GRUB_ERR_IO, "Couldn't find UGADraw"); - - if (efi_call_5 (c->get_mode, c, &width, &height, &depth, &rate)) - return grub_error (GRUB_ERR_IO, "Couldn't retrieve video mode"); - - grub_printf ("Video mode: %ux%u-%u@%u\n", width, height, depth, rate); - - grub_efi_set_text_mode (0); - pixel = RGB_MAGIC; - efi_call_10 (c->blt, c, (struct grub_efi_uga_pixel *) &pixel, - GRUB_EFI_UGA_VIDEO_FILL, 0, 0, 0, 0, 1, height, 0); - ret = find_framebuf (&fb_base, &line_len); - grub_efi_set_text_mode (1); - - if (! ret) - return grub_error (GRUB_ERR_IO, "Can\'t find frame buffer address\n"); - - grub_printf ("Frame buffer base: 0x%x\n", fb_base); - grub_printf ("Video line length: %d\n", line_len); - - params->lfb_width = width; - params->lfb_height = height; - params->lfb_depth = depth; - params->lfb_line_len = line_len; - params->lfb_mode = GRUB_XNU_VIDEO_TEXT_IN_VIDEO; - params->lfb_base = fb_base; - return GRUB_ERR_NONE; -} diff --git a/loader/i386/pc/xnu.c b/loader/i386/pc/xnu.c deleted file mode 100644 index 839d0ad44..000000000 --- a/loader/i386/pc/xnu.c +++ /dev/null @@ -1,108 +0,0 @@ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 2009 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 -#include -#include - -#define min(a,b) (((a) < (b)) ? (a) : (b)) -#define max(a,b) (((a) > (b)) ? (a) : (b)) - -#define DEFAULT_VIDEO_MODE "auto" - -/* Setup video for xnu. */ -grub_err_t -grub_xnu_set_video (struct grub_xnu_boot_params *params) -{ - struct grub_video_mode_info mode_info; - int ret; - char *tmp, *modevar; - void *framebuffer; - grub_err_t err; - - modevar = grub_env_get ("gfxpayload"); - /* Consider only graphical 32-bit deep modes. */ - if (! modevar || *modevar == 0) - err = grub_video_set_mode (DEFAULT_VIDEO_MODE, - GRUB_VIDEO_MODE_TYPE_PURE_TEXT - | GRUB_VIDEO_MODE_TYPE_DEPTH_MASK, - 32 << GRUB_VIDEO_MODE_TYPE_DEPTH_POS); - else - { - tmp = grub_malloc (grub_strlen (modevar) - + sizeof (DEFAULT_VIDEO_MODE) + 1); - if (! tmp) - return grub_error (GRUB_ERR_OUT_OF_MEMORY, - "couldn't allocate temporary storag"); - grub_sprintf (tmp, "%s;" DEFAULT_VIDEO_MODE, modevar); - err = grub_video_set_mode (tmp, - GRUB_VIDEO_MODE_TYPE_PURE_TEXT - | GRUB_VIDEO_MODE_TYPE_DEPTH_MASK, - 32 << GRUB_VIDEO_MODE_TYPE_DEPTH_POS); - grub_free (tmp); - } - - if (err) - return err; - - if (grub_xnu_bitmap) - { - int x, y; - - x = mode_info.width - grub_xnu_bitmap->mode_info.width; - x /= 2; - y = mode_info.height - grub_xnu_bitmap->mode_info.height; - y /= 2; - err = grub_video_blit_bitmap (grub_xnu_bitmap, - GRUB_VIDEO_BLIT_REPLACE, - x > 0 ? x : 0, - y > 0 ? y : 0, - x < 0 ? -x : 0, - y < 0 ? -y : 0, - min (grub_xnu_bitmap->mode_info.width, - mode_info.width), - min (grub_xnu_bitmap->mode_info.height, - mode_info.height)); - if (err) - { - grub_print_error (); - grub_errno = GRUB_ERR_NONE; - grub_xnu_bitmap = 0; - } - err = GRUB_ERR_NONE; - } - - ret = grub_video_get_info_and_fini (&mode_info, &framebuffer); - if (ret) - return grub_error (GRUB_ERR_IO, "couldn't retrieve video parameters"); - - params->lfb_width = mode_info.width; - params->lfb_height = mode_info.height; - params->lfb_depth = mode_info.bpp; - params->lfb_line_len = mode_info.pitch; - - params->lfb_base = PTR_TO_UINT32 (framebuffer); - params->lfb_mode = grub_xnu_bitmap - ? GRUB_XNU_VIDEO_SPLASH : GRUB_XNU_VIDEO_TEXT_IN_VIDEO; - - return GRUB_ERR_NONE; -} - diff --git a/loader/i386/xnu.c b/loader/i386/xnu.c index 6a3535950..23fbbe7e0 100644 --- a/loader/i386/xnu.c +++ b/loader/i386/xnu.c @@ -29,6 +29,11 @@ #include #include +#define min(a,b) (((a) < (b)) ? (a) : (b)) +#define max(a,b) (((a) > (b)) ? (a) : (b)) + +#define DEFAULT_VIDEO_MODE "auto" + char grub_xnu_cmdline[1024]; grub_uint32_t grub_xnu_heap_will_be_at; grub_uint32_t grub_xnu_entry_point, grub_xnu_arg1, grub_xnu_stack; @@ -417,6 +422,84 @@ grub_xnu_boot_resume (void) state); } +/* Setup video for xnu. */ +static grub_err_t +grub_xnu_set_video (struct grub_xnu_boot_params *params) +{ + struct grub_video_mode_info mode_info; + int ret; + char *tmp, *modevar; + void *framebuffer; + grub_err_t err; + + modevar = grub_env_get ("gfxpayload"); + /* Consider only graphical 32-bit deep modes. */ + if (! modevar || *modevar == 0) + err = grub_video_set_mode (DEFAULT_VIDEO_MODE, + GRUB_VIDEO_MODE_TYPE_PURE_TEXT + | GRUB_VIDEO_MODE_TYPE_DEPTH_MASK, + 32 << GRUB_VIDEO_MODE_TYPE_DEPTH_POS); + else + { + tmp = grub_malloc (grub_strlen (modevar) + + sizeof (DEFAULT_VIDEO_MODE) + 1); + if (! tmp) + return grub_error (GRUB_ERR_OUT_OF_MEMORY, + "couldn't allocate temporary storag"); + grub_sprintf (tmp, "%s;" DEFAULT_VIDEO_MODE, modevar); + err = grub_video_set_mode (tmp, + GRUB_VIDEO_MODE_TYPE_PURE_TEXT + | GRUB_VIDEO_MODE_TYPE_DEPTH_MASK, + 32 << GRUB_VIDEO_MODE_TYPE_DEPTH_POS); + grub_free (tmp); + } + + if (err) + return err; + + if (grub_xnu_bitmap) + { + int x, y; + + x = mode_info.width - grub_xnu_bitmap->mode_info.width; + x /= 2; + y = mode_info.height - grub_xnu_bitmap->mode_info.height; + y /= 2; + err = grub_video_blit_bitmap (grub_xnu_bitmap, + GRUB_VIDEO_BLIT_REPLACE, + x > 0 ? x : 0, + y > 0 ? y : 0, + x < 0 ? -x : 0, + y < 0 ? -y : 0, + min (grub_xnu_bitmap->mode_info.width, + mode_info.width), + min (grub_xnu_bitmap->mode_info.height, + mode_info.height)); + if (err) + { + grub_print_error (); + grub_errno = GRUB_ERR_NONE; + grub_xnu_bitmap = 0; + } + err = GRUB_ERR_NONE; + } + + ret = grub_video_get_info_and_fini (&mode_info, &framebuffer); + if (ret) + return grub_error (GRUB_ERR_IO, "couldn't retrieve video parameters"); + + params->lfb_width = mode_info.width; + params->lfb_height = mode_info.height; + params->lfb_depth = mode_info.bpp; + params->lfb_line_len = mode_info.pitch; + + params->lfb_base = PTR_TO_UINT32 (framebuffer); + params->lfb_mode = grub_xnu_bitmap + ? GRUB_XNU_VIDEO_SPLASH : GRUB_XNU_VIDEO_TEXT_IN_VIDEO; + + return GRUB_ERR_NONE; +} + /* Boot xnu. */ grub_err_t grub_xnu_boot (void) From 289634b1fa937dd5011d2513d05b9b065090b3c6 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Fri, 18 Dec 2009 11:15:46 +0100 Subject: [PATCH 2/6] Report trampoline information before going to video mode --- loader/i386/efi/linux.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/loader/i386/efi/linux.c b/loader/i386/efi/linux.c index 3b066d589..5870edb4b 100644 --- a/loader/i386/efi/linux.c +++ b/loader/i386/efi/linux.c @@ -422,6 +422,10 @@ grub_linux_boot (void) grub_mmap_iterate (hook); params->mmap_size = e820_num; + grub_printf ("Trampoline at %p. code32=%x, real_mode_mem=%p\n", + ((char *) prot_mode_mem + (prot_mode_pages << 12)), + (unsigned) params->code32_start, real_mode_mem); + modevar = grub_env_get ("gfxpayload"); /* Now all graphical modes are acceptable. @@ -439,10 +443,6 @@ grub_linux_boot (void) else err = grub_video_set_mode ("auto", GRUB_VIDEO_MODE_TYPE_PURE_TEXT, 0); - grub_printf ("Trampoline at %p. code32=%x, real_mode_mem=%p\n", - ((char *) prot_mode_mem + (prot_mode_pages << 12)), - (unsigned) params->code32_start, real_mode_mem); - if (!err) err = grub_linux_setup_video (params); From 601c84fd16bff48c8fdcd02b0e4381025ff110b5 Mon Sep 17 00:00:00 2001 From: Colin Watson Date: Sat, 12 Jun 2010 15:06:53 +0100 Subject: [PATCH 3/6] * util/grub-mkconfig.in: Capitalise and export GRUB_PREFIX. * util/grub.d/00_header.in: Use GRUB_PREFIX rather than computing it again. * util/grub.d/10_linux.in (linux_entry): Load all video drivers, which may be needed to allow the loader to program modes for the kernel. --- util/grub-mkconfig.in | 15 ++++++++------- util/grub.d/00_header.in | 5 ++--- util/grub.d/10_linux.in | 10 ++++++++++ 3 files changed, 20 insertions(+), 10 deletions(-) diff --git a/util/grub-mkconfig.in b/util/grub-mkconfig.in index d916459d6..836bd6318 100644 --- a/util/grub-mkconfig.in +++ b/util/grub-mkconfig.in @@ -92,11 +92,11 @@ case "$host_os" in netbsd* | openbsd*) # Because /boot is used for the boot block in NetBSD and OpenBSD, use /grub # instead of /boot/grub. - grub_prefix=`echo /grub | sed ${transform}` + GRUB_PREFIX=`echo /grub | sed ${transform}` ;; *) # Use /boot/grub by default. - grub_prefix=`echo /boot/grub | sed ${transform}` + GRUB_PREFIX=`echo /boot/grub | sed ${transform}` ;; esac @@ -137,9 +137,9 @@ else exit 1 fi -mkdir -p ${grub_prefix} +mkdir -p ${GRUB_PREFIX} -if test -e ${grub_prefix}/device.map ; then : ; else +if test -e ${GRUB_PREFIX}/device.map ; then : ; else ${grub_mkdevicemap} fi @@ -174,7 +174,7 @@ fi for x in ${GRUB_TERMINAL_OUTPUT}; do if [ "x${x}" = "xgfxterm" ]; then # If this platform supports gfxterm, try to use it. - if ! test -e ${grub_prefix}/gfxterm.mod ; then + if ! test -e ${GRUB_PREFIX}/gfxterm.mod ; then if [ "x$termoutdefault" != "x1" ]; then echo "gfxterm isn't available on your platform" >&2 ; exit 1 fi @@ -183,7 +183,7 @@ for x in ${GRUB_TERMINAL_OUTPUT}; do fi # FIXME: this should do something smarter than just loading first # video backend. - GRUB_VIDEO_BACKEND=$(head -n 1 ${grub_prefix}/video.lst || true) + GRUB_VIDEO_BACKEND=$(head -n 1 ${GRUB_PREFIX}/video.lst || true) if [ -z "${GRUB_VIDEO_BACKEND}" ] ; then if [ "x$termoutdefault" != "x1" ]; then echo "No suitable backend could be found for gfxterm." >&2 ; exit 1 @@ -242,7 +242,8 @@ export GRUB_DEVICE \ GRUB_FS \ GRUB_FONT_PATH \ GRUB_PRELOAD_MODULES \ - GRUB_VIDEO_BACKEND + GRUB_VIDEO_BACKEND \ + GRUB_PREFIX # These are optional, user-defined variables. export GRUB_DEFAULT \ diff --git a/util/grub.d/00_header.in b/util/grub.d/00_header.in index 791840a60..76e0bc32d 100644 --- a/util/grub.d/00_header.in +++ b/util/grub.d/00_header.in @@ -21,8 +21,7 @@ transform="@program_transform_name@" prefix=@prefix@ exec_prefix=@exec_prefix@ libdir=@libdir@ -grub_prefix=`echo /boot/grub | sed ${transform}` -locale_dir=`echo /boot/grub/locale | sed ${transform}` +locale_dir=`echo ${GRUB_PREFIX}/locale | sed ${transform}` grub_lang=`echo $LANG | cut -d _ -f 1` . ${libdir}/grub/grub-mkconfig_lib @@ -89,7 +88,7 @@ for x in ${GRUB_TERMINAL_INPUT} ${GRUB_TERMINAL_OUTPUT}; do done if [ "x$serial" = x1 ]; then - if ! test -e ${grub_prefix}/serial.mod ; then + if ! test -e ${GRUB_PREFIX}/serial.mod ; then echo "Serial terminal not available on this platform." >&2 ; exit 1 fi diff --git a/util/grub.d/10_linux.in b/util/grub.d/10_linux.in index 416ab6ed6..b2cff628d 100644 --- a/util/grub.d/10_linux.in +++ b/util/grub.d/10_linux.in @@ -78,6 +78,16 @@ EOF EOF fi + # Load video drivers, which may be needed to allow the loader to program + # modes for the kernel. + # TODO: Other kernels may need the same mode programming, especially on + # EFI. Should we move this somewhere more generic? + for module in $(cat ${GRUB_PREFIX}/video.lst); do + cat << EOF + insmod $module +EOF + done + if [ -z "${prepare_boot_cache}" ]; then prepare_boot_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE_BOOT} | sed -e "s/^/\t/")" fi From d49703d1517149134d8ce6a259d6c8bfb4e0b9d3 Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Sat, 12 Jun 2010 17:38:48 +0200 Subject: [PATCH 4/6] Add priorities support --- include/grub/video.h | 21 ++++++++++++++++++--- video/efi_gop.c | 2 ++ video/efi_uga.c | 2 ++ video/emu/sdl.c | 3 +++ video/i386/pc/vbe.c | 2 ++ video/i386/pc/vga.c | 2 ++ video/ieee1275.c | 2 ++ video/sm712.c | 2 ++ 8 files changed, 33 insertions(+), 3 deletions(-) diff --git a/include/grub/video.h b/include/grub/video.h index faf2973ef..03de1c27b 100644 --- a/include/grub/video.h +++ b/include/grub/video.h @@ -183,9 +183,19 @@ typedef enum grub_video_driver_id GRUB_VIDEO_DRIVER_EFI_UGA, GRUB_VIDEO_DRIVER_EFI_GOP, GRUB_VIDEO_DRIVER_SM712, - GRUB_VIDEO_DRIVER_VGA + GRUB_VIDEO_DRIVER_VGA, + GRUB_VIDEO_DRIVER_SDL } grub_video_driver_id_t; +typedef enum grub_video_adapter_prio + { + GRUB_VIDEO_ADAPTER_PRIO_FALLBACK = 60, + GRUB_VIDEO_ADAPTER_PRIO_FIRMWARE_DIRTY = 70, + GRUB_VIDEO_ADAPTER_PRIO_FIRMWARE = 80, + GRUB_VIDEO_ADAPTER_PRIO_NATIVE = 100 + } grub_video_adapter_prio_t; + + struct grub_video_adapter { /* The next video adapter. */ @@ -195,6 +205,8 @@ struct grub_video_adapter const char *name; grub_video_driver_id_t id; + grub_video_adapter_prio_t prio; + /* Initialize the video adapter. */ grub_err_t (*init) (void); @@ -269,8 +281,11 @@ extern grub_video_adapter_t EXPORT_VAR(grub_video_adapter_list); static inline void grub_video_register (grub_video_adapter_t adapter) { - grub_list_push (GRUB_AS_LIST_P (&grub_video_adapter_list), - GRUB_AS_LIST (adapter)); + grub_video_adapter_t *p; + for (p = &grub_video_adapter_list; *p && (*p)->prio > adapter->prio; + p = &((*p)->next)); + adapter->next = *p; + *p = adapter; } #endif diff --git a/video/efi_gop.c b/video/efi_gop.c index 86a2881f8..4e79b8521 100644 --- a/video/efi_gop.c +++ b/video/efi_gop.c @@ -355,6 +355,8 @@ static struct grub_video_adapter grub_video_gop_adapter = .name = "EFI GOP driver", .id = GRUB_VIDEO_DRIVER_EFI_GOP, + .prio = GRUB_VIDEO_ADAPTER_PRIO_FIRMWARE, + .init = grub_video_gop_init, .fini = grub_video_gop_fini, .setup = grub_video_gop_setup, diff --git a/video/efi_uga.c b/video/efi_uga.c index eb4e6b42e..6352d4342 100644 --- a/video/efi_uga.c +++ b/video/efi_uga.c @@ -302,6 +302,8 @@ static struct grub_video_adapter grub_video_uga_adapter = .name = "EFI UGA driver", .id = GRUB_VIDEO_DRIVER_EFI_UGA, + .prio = GRUB_VIDEO_ADAPTER_PRIO_FIRMWARE_DIRTY, + .init = grub_video_uga_init, .fini = grub_video_uga_fini, .setup = grub_video_uga_setup, diff --git a/video/emu/sdl.c b/video/emu/sdl.c index d261db6b0..d66b8b0c0 100644 --- a/video/emu/sdl.c +++ b/video/emu/sdl.c @@ -200,6 +200,9 @@ grub_video_sdl_set_active_render_target (struct grub_video_render_target *target static struct grub_video_adapter grub_video_sdl_adapter = { .name = "SDL Video Driver", + .id = GRUB_VIDEO_DRIVER_SDL, + + .prio = GRUB_VIDEO_ADAPTER_PRIO_FIRMWARE, .init = grub_video_sdl_init, .fini = grub_video_sdl_fini, diff --git a/video/i386/pc/vbe.c b/video/i386/pc/vbe.c index 72b8f1831..0cc9f8000 100644 --- a/video/i386/pc/vbe.c +++ b/video/i386/pc/vbe.c @@ -783,6 +783,8 @@ static struct grub_video_adapter grub_video_vbe_adapter = .name = "VESA BIOS Extension Video Driver", .id = GRUB_VIDEO_DRIVER_VBE, + .prio = GRUB_VIDEO_ADAPTER_PRIO_FIRMWARE, + .init = grub_video_vbe_init, .fini = grub_video_vbe_fini, .setup = grub_video_vbe_setup, diff --git a/video/i386/pc/vga.c b/video/i386/pc/vga.c index 222a71272..a4fd44ecd 100644 --- a/video/i386/pc/vga.c +++ b/video/i386/pc/vga.c @@ -375,6 +375,8 @@ static struct grub_video_adapter grub_video_vga_adapter = .name = "VGA Video Driver", .id = GRUB_VIDEO_DRIVER_VGA, + .prio = GRUB_VIDEO_ADAPTER_PRIO_FALLBACK, + .init = grub_video_vga_init, .fini = grub_video_vga_fini, .setup = grub_video_vga_setup, diff --git a/video/ieee1275.c b/video/ieee1275.c index 5c6bc1594..9c9477c2b 100644 --- a/video/ieee1275.c +++ b/video/ieee1275.c @@ -254,6 +254,8 @@ static struct grub_video_adapter grub_video_ieee1275_adapter = { .name = "IEEE1275 video driver", + .prio = GRUB_VIDEO_ADAPTER_PRIO_FIRMWARE, + .init = grub_video_ieee1275_init, .fini = grub_video_ieee1275_fini, .setup = grub_video_ieee1275_setup, diff --git a/video/sm712.c b/video/sm712.c index 33861beef..98ce523c9 100644 --- a/video/sm712.c +++ b/video/sm712.c @@ -193,6 +193,8 @@ static struct grub_video_adapter grub_video_sm712_adapter = .name = "SM712 Video Driver", .id = GRUB_VIDEO_DRIVER_SM712, + .prio = GRUB_VIDEO_ADAPTER_PRIO_NATIVE, + .init = grub_video_sm712_video_init, .fini = grub_video_sm712_video_fini, .setup = grub_video_sm712_setup, From e4311a9f0f0e59597f4afc68673db0f0f1968967 Mon Sep 17 00:00:00 2001 From: Colin Watson Date: Thu, 17 Jun 2010 16:01:17 +0100 Subject: [PATCH 5/6] * util/grub-mkconfig.in: Stop setting GRUB_VIDEO_BACKEND. Make it available as a user override instead. Replace the gfxterm backend check with a check that ${GRUB_PREFIX}/video.lst is non-empty. * util/grub.d/00_header.in (load_video): New generated function. Call it before loading gfxterm rather than loading ${GRUB_VIDEO_BACKEND}. * util/grub.d/10_linux.in (linux_entry): Call load_video. * util/grub.d/30_os-prober.in (osx_entry): Likewise. * docs/grub.texi (Simple configuration): Document GRUB_VIDEO_BACKEND. --- docs/grub.texi | 10 ++++++++++ util/grub-mkconfig.in | 7 ++----- util/grub.d/00_header.in | 20 +++++++++++++++++++- util/grub.d/10_linux.in | 13 +++---------- util/grub.d/30_os-prober.in | 2 +- 5 files changed, 35 insertions(+), 17 deletions(-) diff --git a/docs/grub.texi b/docs/grub.texi index 9fe197da2..cea9f6a31 100644 --- a/docs/grub.texi +++ b/docs/grub.texi @@ -934,6 +934,16 @@ Disable the generation of recovery mode menu entries for Linux. @item GRUB_DISABLE_NETBSD_RECOVERY Disable the generation of recovery mode menu entries for NetBSD. +@item GRUB_VIDEO_BACKEND +If graphical video support is required, either because the @samp{gfxterm} +graphical terminal is in use or because @samp{GRUB_GFXPAYLOAD_LINUX} is set, +then @command{grub-mkconfig} will normally load all available GRUB video +drivers and use the one most appropriate for your hardware. If you need to +override this for some reason, then you can set this option. + +After @command{grub-install} has been run, the available video drivers are +listed in @file{/boot/grub/video.lst}. + @item GRUB_GFXMODE Set the resolution used on the @samp{gfxterm} graphical terminal. Note that you can only use modes which your graphics card supports via VESA BIOS diff --git a/util/grub-mkconfig.in b/util/grub-mkconfig.in index 836bd6318..6bdc166c9 100644 --- a/util/grub-mkconfig.in +++ b/util/grub-mkconfig.in @@ -181,10 +181,7 @@ for x in ${GRUB_TERMINAL_OUTPUT}; do GRUB_TERMINAL_OUTPUT= break; fi - # FIXME: this should do something smarter than just loading first - # video backend. - GRUB_VIDEO_BACKEND=$(head -n 1 ${GRUB_PREFIX}/video.lst || true) - if [ -z "${GRUB_VIDEO_BACKEND}" ] ; then + if [ ! -s "${GRUB_PREFIX}/video.lst" ] ; then if [ "x$termoutdefault" != "x1" ]; then echo "No suitable backend could be found for gfxterm." >&2 ; exit 1 fi @@ -242,7 +239,6 @@ export GRUB_DEVICE \ GRUB_FS \ GRUB_FONT_PATH \ GRUB_PRELOAD_MODULES \ - GRUB_VIDEO_BACKEND \ GRUB_PREFIX # These are optional, user-defined variables. @@ -265,6 +261,7 @@ export GRUB_DEFAULT \ GRUB_DISABLE_LINUX_UUID \ GRUB_DISABLE_LINUX_RECOVERY \ GRUB_DISABLE_NETBSD_RECOVERY \ + GRUB_VIDEO_BACKEND \ GRUB_GFXMODE \ GRUB_BACKGROUND \ GRUB_THEME \ diff --git a/util/grub.d/00_header.in b/util/grub.d/00_header.in index 76e0bc32d..8040a7c9b 100644 --- a/util/grub.d/00_header.in +++ b/util/grub.d/00_header.in @@ -74,6 +74,24 @@ function savedefault { save_env saved_entry fi } + +function load_video { +EOF +if [ -n "${GRUB_VIDEO_BACKEND}" ]; then + cat < /dev/null \ && grep -qx "CONFIG_VT_HW_CONSOLE_BINDING=y" /boot/config-${version} 2> /dev/null; then cat << EOF @@ -78,16 +81,6 @@ EOF EOF fi - # Load video drivers, which may be needed to allow the loader to program - # modes for the kernel. - # TODO: Other kernels may need the same mode programming, especially on - # EFI. Should we move this somewhere more generic? - for module in $(cat ${GRUB_PREFIX}/video.lst); do - cat << EOF - insmod $module -EOF - done - if [ -z "${prepare_boot_cache}" ]; then prepare_boot_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE_BOOT} | sed -e "s/^/\t/")" fi diff --git a/util/grub.d/30_os-prober.in b/util/grub.d/30_os-prober.in index edef37e66..90e2e3d92 100644 --- a/util/grub.d/30_os-prober.in +++ b/util/grub.d/30_os-prober.in @@ -44,7 +44,7 @@ EOF save_default_entry | sed -e "s/^/\t/" prepare_grub_to_access_device ${DEVICE} | sed -e "s/^/\t/" cat << EOF - insmod ${GRUB_VIDEO_BACKEND} + load_video set do_resume=0 if [ /var/vm/sleepimage -nt10 / ]; then if xnu_resume /var/vm/sleepimage; then From d87ac126cd408b51546e5518ce550d6f1292fce6 Mon Sep 17 00:00:00 2001 From: Colin Watson Date: Thu, 17 Jun 2010 16:18:41 +0100 Subject: [PATCH 6/6] remove temporary debugging printfs --- loader/i386/efi/linux.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/loader/i386/efi/linux.c b/loader/i386/efi/linux.c index 9d4db3440..4a0eae58b 100644 --- a/loader/i386/efi/linux.c +++ b/loader/i386/efi/linux.c @@ -368,8 +368,6 @@ grub_linux_boot (void) params = real_mode_mem; - grub_printf ("%d\n", __LINE__); - grub_dprintf ("linux", "code32_start = %x, idt_desc = %lx, gdt_desc = %lx\n", (unsigned) params->code32_start, (unsigned long) &(idt_desc.limit), @@ -378,8 +376,6 @@ grub_linux_boot (void) (unsigned) idt_desc.limit, (unsigned long) idt_desc.base, (unsigned) gdt_desc.limit, (unsigned long) gdt_desc.base); - grub_printf ("%d\n", __LINE__); - auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t, grub_uint32_t); int NESTED_FUNC_ATTR hook (grub_uint64_t addr, grub_uint64_t size, grub_uint32_t type) { @@ -418,8 +414,6 @@ grub_linux_boot (void) return 0; } - grub_printf ("%d\n", __LINE__); - e820_num = 0; grub_mmap_iterate (hook); params->mmap_size = e820_num;