diff options
| author | Wojtek Kosior <kwojtus@protonmail.com> | 2019-12-28 19:09:47 +0100 |
|---|---|---|
| committer | Wojtek Kosior <kwojtus@protonmail.com> | 2019-12-28 19:09:47 +0100 |
| commit | 80c9af17330ac442a4c3d6d55b4041cbe923e9b4 (patch) | |
| tree | 19e308295f36fb66ec7c9835118585155610df5d /loader_stage1.S | |
| parent | 38afee0bfe051f1c1e5b9426395eb50b9d8a7bc2 (diff) | |
| download | rpi-MMU-example-80c9af17330ac442a4c3d6d55b4041cbe923e9b4.tar.gz rpi-MMU-example-80c9af17330ac442a4c3d6d55b4041cbe923e9b4.zip | |
modify comment in the top of loader_stage1.S
Diffstat (limited to 'loader_stage1.S')
| -rw-r--r-- | loader_stage1.S | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/loader_stage1.S b/loader_stage1.S index adf2e12..9326360 100644 --- a/loader_stage1.S +++ b/loader_stage1.S @@ -1,12 +1,12 @@ -// armv7 mode - -// Entry point for the kernel. -// r15 -> should begin execution at 0x8000. -// r0 -> 0x00000000 -// r1 -> 0x00000C42 -// r2 -> 0x00000100 - start of ATAGS -// preserve these registers as argument for kernel - +/* arm mode, cortex-a7 compatibility + * + * _boot is entry point for the loader. + * + * Loader copies it's embedded stage 2 to address 0x4000 + * and jumps to it. Registers r0 - r2 are arguments for the kernel + * and should be left intact. + */ + .global _boot _boot: // Only let the first core execute |