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| author | Wojtek Kosior <kwojtus@protonmail.com> | 2019-12-26 19:15:08 +0100 |
|---|---|---|
| committer | Wojtek Kosior <kwojtus@protonmail.com> | 2019-12-26 19:15:08 +0100 |
| commit | 31806d249fe6e57efee0531bb082f836e5b35a3d (patch) | |
| tree | 267921cc1017b485e3ca8e4140297f8c58410333 | |
| parent | d9ac897bd8aa7a8b6471bca1eb8a2bd314fdb133 (diff) | |
| download | rpi-MMU-example-31806d249fe6e57efee0531bb082f836e5b35a3d.tar.gz rpi-MMU-example-31806d249fe6e57efee0531bb082f836e5b35a3d.zip | |
remove halt loop (not really needed + we want to get rid of pieces of code copy-pasted from wiki osdev)
| -rw-r--r-- | boot.S | 11 |
1 files changed, 5 insertions, 6 deletions
@@ -13,8 +13,12 @@ _boot: mrc p15, 0, r5, c0, c0, 5 and r5, r5, #3 cmp r5, #0 - bne halt + beq proceed + // this is a kind of blef - races can theoretically still occur + // when the main core overwrites this part of memory + wfe +proceed: // go to system mode cps #0b11111 isb @@ -27,8 +31,3 @@ _boot: // Call kernel_main ldr r3, =kernel_main bx r3 - - // halt -halt: - wfe - b halt |