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| author | Kartik Agaram <vc@akkartik.com> | 2020-01-01 18:22:19 -0800 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2020-01-01 18:42:48 -0800 |
| commit | 65409d2312e702a48d3cf5b32479d25266bda3c3 (patch) | |
| tree | 62a7262fce61f2302109246da4536ce6f8e9ef80 /tools/iso/kernel.soso/utils.asm | |
| parent | a6da50ad30d2e1825575ffef497ab450a8f26e94 (diff) | |
| download | mu-65409d2312e702a48d3cf5b32479d25266bda3c3.tar.gz | |
5858
Move script to create a Soso boot image into a sub-directory. I'm trying to streamline newcomer attention to just a couple of use cases.
Diffstat (limited to 'tools/iso/kernel.soso/utils.asm')
| -rw-r--r-- | tools/iso/kernel.soso/utils.asm | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/tools/iso/kernel.soso/utils.asm b/tools/iso/kernel.soso/utils.asm new file mode 100644 index 00000000..568bfb02 --- /dev/null +++ b/tools/iso/kernel.soso/utils.asm @@ -0,0 +1,18 @@ +[GLOBAL readEip] +readEip: + pop eax + jmp eax + +[GLOBAL disablePaging] +disablePaging: + mov edx, cr0 + and edx, 0x7fffffff + mov cr0, edx + ret + +[GLOBAL enablePaging] +enablePaging: + mov edx, cr0 + or edx, 0x80000000 + mov cr0, edx + ret |