* include/grub/pci.h (GRUB_PCI_CLASS_SUBCLASS_VGA): New const.
* include/grub/vga.h (GRUB_VGA_IO_ARX_READ): New register.
(GRUB_VGA_IO_MISC_WRITE): Likewise.
(GRUB_VGA_CR_*): Added many registers.
(GRUB_VGA_SR_*): Likewise.
(GRUB_VGA_GR_*): Likewise.
(grub_vga_write_arx): New function.
(grub_video_hw_config): New struct.
(grub_vga_set_geometry): New function.
* kern/i386/qemu/init.c (load_palette): Use grub_vga_write_arx and
GRUB_PCI_CLASS_SUBCLASS_VGA.
* video/cirrus.c (grub_video_cirrus_setup): Use grub_vga_set_geometry.
* video/sm712.c (grub_sm712_write_reg): New function
(grub_sm712_read_reg): Likewise.
(grub_sm712_sr_write): Likewise.
(grub_sm712_gr_write): Likewise.
(grub_sm712_cr_write): Likewise.
(grub_sm712_write_arx): Likewise.
(grub_sm712_cr_shadow_write): Likewise.
(grub_sm712_write_dda_lookup): Likewise.
(grub_video_sm712_setup): Initialise the video rather then
blindly replay the dump.
(main) [TEST]: Add a routine to be able to compile as standalone for
tests.
* video/sm712_init.c (sm712_init): Removed.
(sm712_sr_seq1): New array.
(sm712_sr_seq2): Likewise.
* kern/i386/qemu/mmap.c (QEMU_CMOS_MEMSIZE2_HIGH): New const.
(QEMU_CMOS_MEMSIZE2_LOW): Likewise.
(grub_lower_mem): Removed.
(grub_upper_mem): Likewise.
(mem_size): Made static.
(above_4g): New variable.
(grub_machine_mmap_init): Detect small mem_size and above_4g.
(grub_machine_mmap_iterate): Order in ascending order and add above_4g
support.
Use the same reboot approach on i386 coreboot and qemu as we do on
BIOS.
* conf/i386-coreboot.rmk (kernel_img_HEADERS): Add `cpu/reboot.h'.
(reboot_mod_SOURCES): Remove `kern/i386/reboot.c'.
* kern/i386/reboot.c: Remove.
* include/grub/i386/reboot.h (grub_reboot): Export function.
* kern/i386/pc/startup.S (grub_reboot): Move from here ...
* kern/i386/realmode.S (grub_reboot): ... to here. Jump to
0xf000:0xfff0 instead of 0xffff:0x0000.
[!GRUB_MACHINE_PCBIOS] (prot_to_real): Do not restore interrupts.
* kern/i386/qemu/startup.S: Include `"../realmode.S"'.