mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-20 11:13:58 +08:00
6520fe5564
A new option is added to the relocs tool called '--realmode'. This option causes the generation of 16-bit segment relocations and 32-bit linear relocations for the real-mode code. When the real-mode code is moved to the low-memory during kernel initialization, these relocation entries can be used to relocate the code properly. In the assembly code 16-bit segment relocations must be relative to the 'real_mode_seg' absolute symbol. Linear relocations must be relative to a symbol prefixed with 'pa_'. 16-bit segment relocation is used to load cs:ip in 16-bit code. Linear relocations are used in the 32-bit code for relocatable data references. They are declared in the linker script of the real-mode code. The relocs tool is moved to arch/x86/tools/relocs.c, and added new target archscripts that can be used to build scripts needed building an architecture. be compiled before building the arch/x86 tree. [ hpa: accelerating this because it detects invalid absolute relocations, a serious bug in binutils 2.22.52.0.x which currently produces bad kernels. ] Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Link: http://lkml.kernel.org/r/1336501366-28617-2-git-send-email-jarkko.sakkinen@intel.com Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@intel.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Cc: <stable@vger.kernel.org> |
||
|---|---|---|
| .. | ||
| compressed | ||
| tools | ||
| .gitignore | ||
| a20.c | ||
| apm.c | ||
| bioscall.S | ||
| bitops.h | ||
| boot.h | ||
| cmdline.c | ||
| code16gcc.h | ||
| copy.S | ||
| cpu.c | ||
| cpucheck.c | ||
| ctype.h | ||
| early_serial_console.c | ||
| edd.c | ||
| header.S | ||
| install.sh | ||
| main.c | ||
| Makefile | ||
| mca.c | ||
| memory.c | ||
| mkcpustr.c | ||
| mtools.conf.in | ||
| pm.c | ||
| pmjump.S | ||
| printf.c | ||
| regs.c | ||
| setup.ld | ||
| string.c | ||
| tty.c | ||
| version.c | ||
| vesa.h | ||
| video-bios.c | ||
| video-mode.c | ||
| video-vesa.c | ||
| video-vga.c | ||
| video.c | ||
| video.h | ||