xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

MIPS: Retrieve ASID masks using function accepting struct cpuinfo_mips

Browse Source 
In preparation for supporting variable ASID masks, retrieve ASID masks
using functions in asm/cpu-info.h which accept struct cpuinfo_mips. This
will allow those functions to determine the ASID mask based upon the CPU
in a later patch. This also allows for the r3k & r8k cases to be handled
in Kconfig, which is arguably cleaner than the previous #ifdefs.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: linux-mips@linux-mips.org
Cc: kvm@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/13210/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Paul Burton
2016-05-06 14:36:23 +01:00
committed by Ralf Baechle
parent f1b711c638
commit 4edf00a46b
10 changed files with 92 additions and 61 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
arch/mips/lib/r3k_dump_tlb.c
View File

@@ -29,9 +29,10 @@ static void dump_tlb(int first, int last)
{
int i;
unsigned int asid;
unsigned long entryhi, entrylo0;
unsigned long entryhi, entrylo0, asid_mask;
asid = read_c0_entryhi() & ASID_MASK;
asid_mask = cpu_asid_mask(&current_cpu_data);
asid = read_c0_entryhi() & asid_mask;
for (i = first; i <= last; i++) {
write_c0_index(i<<8);
@@ -46,7 +47,7 @@ static void dump_tlb(int first, int last)
/* Unused entries have a virtual address of KSEG0. */
if ((entryhi & PAGE_MASK) != KSEG0 &&
(entrylo0 & R3K_ENTRYLO_G ||
(entryhi & ASID_MASK) == asid)) {
(entryhi & asid_mask) == asid)) {
/*
* Only print entries in use
*/
@@ -55,7 +56,7 @@ static void dump_tlb(int first, int last)
printk("va=%08lx asid=%08lx"
" [pa=%06lx n=%d d=%d v=%d g=%d]",
entryhi & PAGE_MASK,
entryhi & ASID_MASK,
entryhi & asid_mask,
entrylo0 & PAGE_MASK,
(entrylo0 & R3K_ENTRYLO_N) ? 1 : 0,
(entrylo0 & R3K_ENTRYLO_D) ? 1 : 0,