Commit ca3164df authored by Max Filippov's avatar Max Filippov
Browse files

target-xtensa: completely clean TLB between MMU tests 



Signed-off-by: default avatarMax Filippov <jcmvbkbc@gmail.com>
parent 433d33c5

tests/tcg/xtensa/test_mmu.S

+19 −7
Original line number Diff line number Diff line
@@ -4,16 +4,28 @@ test_suite mmu 


.purgem test_init



.macro test_init

    movi    a2, 0x00000004

    idtlb   a2

    movi    a2, 0x00100004

.macro clean_tlb_way way, page_size, n_entries

    movi    a2, \way

    movi    a3, \page_size

    movi    a4, \n_entries

    loop    a4, 1f

    idtlb   a2

    movi    a2, 0x00200004

    iitlb   a2

    add     a2, a2, a3

1:

.endm



.macro test_init

    clean_tlb_way 0, 0x00001000, 4

    clean_tlb_way 1, 0x00001000, 4

    clean_tlb_way 2, 0x00001000, 4

    clean_tlb_way 3, 0x00001000, 4

    clean_tlb_way 4, 0x00100000, 4

    movi    a2, 0x00000007

    idtlb   a2

    movi    a2, 0x00300004

    movi    a2, 0x00000008

    idtlb   a2

    movi    a2, 0x00000007

    movi    a2, 0x00000009

    idtlb   a2

.endm