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[/] [mips_enhanced/] [trunk/] [grlib-gpl-1.0.19-b3188/] [software/] [leon3/] [mmu_asm.S] - Blame information for rev 2

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1 2 dimamali 
#include "leon3.h"
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#include "testmod.h"
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#include "mmu.h"
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        .seg    "text"
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        .proc   0
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        .align PAGE_SIZE
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        .global mmu_func1
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mmu_func1:
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        save  %sp, -112, %sp
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        ret
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        restore
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        .align 4
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        .global mmu_double
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mmu_double:
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        save  %sp, -112, %sp
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        save  %sp, -112, %sp
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        save  %sp, -112, %sp
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        save  %sp, -112, %sp
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        save  %sp, -112, %sp
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        save  %sp, -112, %sp
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        set 0x11111111,%l0
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        set 0x22222222,%l1
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        set 0x33333333,%l2
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        set 0x44444444,%l3
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        set 0x55555555,%l4
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        set 0x66666666,%l5
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        set 0x77777777,%l6
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        set 0x88888888,%l7
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        set 0x40000000,%g0
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        std %l0,[%fp-32]
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        std %l2,[%fp-24]
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        std %l4,[%fp-16]
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        std %l6,[%fp-8]
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        mov %fp,%g1
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        sub %g1,32-4,%g1
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        sta %g0, [%g1] 0xf
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        sub %g1,8,%g1
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        sta %g0, [%g1] 0xf
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        sub %g1,8,%g1
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        sta %g0, [%g1] 0xf
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        sub %g1,8,%g1
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        sta %g0, [%g1] 0xf
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        sta %g0, [%g0] 0x11
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        save  %sp, -112, %sp
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        save  %sp, -112, %sp
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        restore
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        restore
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        nop
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        nop
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        ldd [%fp-32],%l0
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        ldd [%fp-24],%l2
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        ldd [%fp-16],%l4
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        ldd [%fp-8],%l6
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        nop
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        nop
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        restore
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        restore
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        restore
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        restore
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        restore
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        ret
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        restore
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/* SRMMU_TFAULT() SRMMU_DFAULT()
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 * %l0 : %psr
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 * %l1 = pc            :set by trap
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 * %l2 = npc           :set by trap
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 * %l3 : %wim
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 * %l6 : 1 on inst, 0 on data
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 */
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        .global _srmmu_fault,_srmmu_fault_svt
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_srmmu_fault_svt:
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        rd      %wim, %l3
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_srmmu_fault:
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        mov     0x400, %l5
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        mov     0x300, %l4
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        lda     [%l5] ASI_M_MMUREGS, %l6        ! read sfar first
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        lda     [%l4] ASI_M_MMUREGS, %l5        ! read sfsr last
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        set     pth_addr,%l7                    ! repair pth
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        ld    [%l7],%l7
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        ld      [%l7],%l4
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        ld      [%l7+4],%l5
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        ld      [%l7+8],%l6
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        or    %l6,0x0,%l6                               ! one page
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        sta   %g0, [%l6] ASI_M_FLUSH_PROBE
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        st      %l5,[%l4]
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        inc   12,%l7
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        set     pth_addr,%l5
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        st    %l7,[%l5]
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        jmp     %l1                             ! reexecute command
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        rett    %l2
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        .align 8
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        .global pth_addr, pth_addr1
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pth_addr:       .word 0
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        .align 8
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pth_addr1:      .word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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