Firebee/FireBee_SVN
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

removed (now wrong) comment

Browse Source
This commit is contained in:
Markus Fröschle
2014-06-21 05:50:43 +00:00
parent b3af46394a
commit aacdc671a8
1 changed files with 0 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
BaS_gcc/sys/mmu.c
View File

@@ -393,14 +393,6 @@ void mmu_init(void)
set_asid(0); /* do not use address extension (ASID provides virtual 48 bit addresses */ set_asid(0); /* do not use address extension (ASID provides virtual 48 bit addresses */
/*
* need to set data ACRs in a way that supervisor access to all memory regions
* becomes possible. Otherways it might be that the supervisor stack ends up in an unmapped
* region when further MMU TLB entries force a page steal. This would lead to a double
* fault since the CPU wouldn't be able to push its exception stack frame during an access
* exception
*/
/* set data access attributes in ACR0 and ACR1 */ /* set data access attributes in ACR0 and ACR1 */
set_acr0(ACR_WRITE_PROTECT(0) | /* read and write accesses permitted */ set_acr0(ACR_WRITE_PROTECT(0) | /* read and write accesses permitted */