| To: | linux-mips@linux-mips.org |
|---|---|
| Subject: | Re : where to set the BEV to normal of status in kernel source? |
| From: | Florian DELIZY <florian.delizy@sagem.com> |
| Date: | Fri, 2 Dec 2005 14:42:28 +0100 |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| Sender: | linux-mips-bounce@linux-mips.org |
|
Subject : where to set the BEV to normal of status in kernel source? > i don't find it in load_mmu(), who can point out for me? > thanks! Well, if you are speaking about the BEV flag from the Status (SR) register (CP0_STATUS aka $12 of the 1st coprocessor) then it controls the interruption/exception handler place, I don't see the relation with mmu ... > is that must be set in bootloader? OK, I see, it should be set to 0 by the boot loader so that the TLB exceptions (related to the MMU) goes in RAM. So the kernel does not change it actually and hope the boot loader did. -- Florian Delizy |
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