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c4d9ba6da9
Make the transition to protected mode more paranoid by having back-to-back near jump (to synchronize the 386/486 prefetch queue) and far jump (to set up the code segment.) While we're at it, zero as many registers as practical (for future expandability of the 32-bit entry interface) and enter 32-bit mode with a valid stack. Note that the 32-bit code cannot rely on this stack, or we'll break all other existing users of the 32-bit entrypoint, but it may make debugging hacks easier to write. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
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| .. | ||
| compressed | ||
| tools | ||
| .gitignore | ||
| a20.c | ||
| apm.c | ||
| bitops.h | ||
| boot.h | ||
| cmdline.c | ||
| code16gcc.h | ||
| copy.S | ||
| cpu.c | ||
| cpucheck.c | ||
| edd.c | ||
| header.S | ||
| install.sh | ||
| main.c | ||
| Makefile | ||
| mca.c | ||
| memory.c | ||
| mtools.conf.in | ||
| pm.c | ||
| pmjump.S | ||
| printf.c | ||
| setup.ld | ||
| string.c | ||
| tty.c | ||
| version.c | ||
| vesa.h | ||
| video-bios.c | ||
| video-vesa.c | ||
| video-vga.c | ||
| video.c | ||
| video.h | ||
| voyager.c | ||