kotovalexarian-likes-gitlab/bztsrc--bootboot
1
0
Fork 0
mirror of https://gitlab.com/bztsrc/bootboot.git synced 2023-02-13 20:54:32 -05:00
Code Releases Activity

Clear AFE in sctlr

Browse source
This commit is contained in:
bzt 2019-03-20 03:40:13 +01:00
parent 6528f753c7
commit 7c80ca51df
4 changed files with 4 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
OLVASSEL.md
View file

@ -12,7 +12,7 @@ Előre lefordított binárisok mellékelve, egyből használhatók.
[boot.bin](https://gitlab.com/bztsrc/bootboot/raw/master/boot.bin) (512 bájt, egyszerre MBR, VBR és CDROM indító szektor), [bootboot.bin](https://gitlab.com/bztsrc/bootboot/raw/master/bootboot.bin) (11k, a boot.bin tölti be, valamint BBS bővítő ROM és Multiboot kompatíbilis is)
3. *aarch64-rpi* ARMv8 betöltő Raspberry Pi 3-hoz
[bootboot.img](https://gitlab.com/bztsrc/bootboot/raw/master/bootboot.img) (31k)
[bootboot.img](https://gitlab.com/bztsrc/bootboot/raw/master/bootboot.img) (32k)
4. *mykernel* egy példa BOOTBOOT [kompatíbilis kernel](https://gitlab.com/bztsrc/bootboot/tree/master/mykernel) C-ben írva, ami vonalakat húz meg színes dobozokat rajzol

2
README.md
View file

@ -12,7 +12,7 @@ I provide pre-compiled images ready for use.
[boot.bin](https://gitlab.com/bztsrc/bootboot/raw/master/boot.bin) (512 bytes, works as MBR, VBR and CDROM boot record too), [bootboot.bin](https://gitlab.com/bztsrc/bootboot/raw/master/bootboot.bin) (11k, loaded by boot.bin, also BBS Expansion ROM and Multiboot compliant)
3. *aarch64-rpi* ARMv8 boot loader for Raspberry Pi 3
[bootboot.img](https://gitlab.com/bztsrc/bootboot/raw/master/bootboot.img) (31k)
[bootboot.img](https://gitlab.com/bztsrc/bootboot/raw/master/bootboot.img) (32k)
4. *mykernel* an example BOOTBOOT [compatible kernel](https://gitlab.com/bztsrc/bootboot/tree/master/mykernel) in C which draws lines and boxes

3
aarch64-rpi/bootboot.c
View file

@ -1741,7 +1741,8 @@ void bootboot_startcore()
asm volatile ("dsb ish; isb; mrs %0, sctlr_el1" : "=r" (reg));
// set mandatory reserved bits
reg|=0xC00800;
reg&=~( (1<<25) | // clear EE, little endian translation tables
reg&=~( (1<<29) | // clear AFE, full access permisson model
(1<<25) | // clear EE, little endian translation tables
(1<<24) | // clear E0E
(1<<19) | // clear WXN
(1<<12) | // clear I, no instruction cache

BIN
bootboot.img
View file

Binary file not shown.