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Diffstat (limited to 'arch/sparc64/prom/cif.S')
| -rw-r--r-- | arch/sparc64/prom/cif.S | 225 |
1 files changed, 0 insertions, 225 deletions
diff --git a/arch/sparc64/prom/cif.S b/arch/sparc64/prom/cif.S deleted file mode 100644 index 29d0ae74aed..00000000000 --- a/arch/sparc64/prom/cif.S +++ /dev/null @@ -1,225 +0,0 @@ -/* cif.S: PROM entry/exit assembler trampolines. - * - * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - * Copyright (C) 2005 David S. Miller <davem@davemloft.net> - */ - -#include <asm/pstate.h> - - .text - .globl prom_cif_interface -prom_cif_interface: - sethi %hi(p1275buf), %o0 - or %o0, %lo(p1275buf), %o0 - ldx [%o0 + 0x010], %o1 ! prom_cif_stack - save %o1, -0x190, %sp - ldx [%i0 + 0x008], %l2 ! prom_cif_handler - rdpr %pstate, %l4 - wrpr %g0, 0x15, %pstate ! save alternate globals - stx %g1, [%sp + 2047 + 0x0b0] - stx %g2, [%sp + 2047 + 0x0b8] - stx %g3, [%sp + 2047 + 0x0c0] - stx %g4, [%sp + 2047 + 0x0c8] - stx %g5, [%sp + 2047 + 0x0d0] - stx %g6, [%sp + 2047 + 0x0d8] - stx %g7, [%sp + 2047 + 0x0e0] - wrpr %g0, 0x814, %pstate ! save interrupt globals - stx %g1, [%sp + 2047 + 0x0e8] - stx %g2, [%sp + 2047 + 0x0f0] - stx %g3, [%sp + 2047 + 0x0f8] - stx %g4, [%sp + 2047 + 0x100] - stx %g5, [%sp + 2047 + 0x108] - stx %g6, [%sp + 2047 + 0x110] - stx %g7, [%sp + 2047 + 0x118] - wrpr %g0, 0x14, %pstate ! save normal globals - stx %g1, [%sp + 2047 + 0x120] - stx %g2, [%sp + 2047 + 0x128] - stx %g3, [%sp + 2047 + 0x130] - stx %g4, [%sp + 2047 + 0x138] - stx %g5, [%sp + 2047 + 0x140] - stx %g6, [%sp + 2047 + 0x148] - stx %g7, [%sp + 2047 + 0x150] - wrpr %g0, 0x414, %pstate ! save mmu globals - stx %g1, [%sp + 2047 + 0x158] - stx %g2, [%sp + 2047 + 0x160] - stx %g3, [%sp + 2047 + 0x168] - stx %g4, [%sp + 2047 + 0x170] - stx %g5, [%sp + 2047 + 0x178] - stx %g6, [%sp + 2047 + 0x180] - stx %g7, [%sp + 2047 + 0x188] - mov %g1, %l0 ! also save to locals, so we can handle - mov %g2, %l1 ! tlb faults later on, when accessing - mov %g3, %l3 ! the stack. - mov %g7, %l5 - wrpr %l4, PSTATE_IE, %pstate ! turn off interrupts - call %l2 - add %i0, 0x018, %o0 ! prom_args - wrpr %g0, 0x414, %pstate ! restore mmu globals - mov %l0, %g1 - mov %l1, %g2 - mov %l3, %g3 - mov %l5, %g7 - wrpr %g0, 0x14, %pstate ! restore normal globals - ldx [%sp + 2047 + 0x120], %g1 - ldx [%sp + 2047 + 0x128], %g2 - ldx [%sp + 2047 + 0x130], %g3 - ldx [%sp + 2047 + 0x138], %g4 - ldx [%sp + 2047 + 0x140], %g5 - ldx [%sp + 2047 + 0x148], %g6 - ldx [%sp + 2047 + 0x150], %g7 - wrpr %g0, 0x814, %pstate ! restore interrupt globals - ldx [%sp + 2047 + 0x0e8], %g1 - ldx [%sp + 2047 + 0x0f0], %g2 - ldx [%sp + 2047 + 0x0f8], %g3 - ldx [%sp + 2047 + 0x100], %g4 - ldx [%sp + 2047 + 0x108], %g5 - ldx [%sp + 2047 + 0x110], %g6 - ldx [%sp + 2047 + 0x118], %g7 - wrpr %g0, 0x15, %pstate ! restore alternate globals - ldx [%sp + 2047 + 0x0b0], %g1 - ldx [%sp + 2047 + 0x0b8], %g2 - ldx [%sp + 2047 + 0x0c0], %g3 - ldx [%sp + 2047 + 0x0c8], %g4 - ldx [%sp + 2047 + 0x0d0], %g5 - ldx [%sp + 2047 + 0x0d8], %g6 - ldx [%sp + 2047 + 0x0e0], %g7 - wrpr %l4, 0, %pstate ! restore original pstate - ret - restore - - .globl prom_cif_callback -prom_cif_callback: - sethi %hi(p1275buf), %o1 - or %o1, %lo(p1275buf), %o1 - save %sp, -0x270, %sp - rdpr %pstate, %l4 - wrpr %g0, 0x15, %pstate ! save PROM alternate globals - stx %g1, [%sp + 2047 + 0x0b0] - stx %g2, [%sp + 2047 + 0x0b8] - stx %g3, [%sp + 2047 + 0x0c0] - stx %g4, [%sp + 2047 + 0x0c8] - stx %g5, [%sp + 2047 + 0x0d0] - stx %g6, [%sp + 2047 + 0x0d8] - stx %g7, [%sp + 2047 + 0x0e0] - ! restore Linux alternate globals - ldx [%sp + 2047 + 0x190], %g1 - ldx [%sp + 2047 + 0x198], %g2 - ldx [%sp + 2047 + 0x1a0], %g3 - ldx [%sp + 2047 + 0x1a8], %g4 - ldx [%sp + 2047 + 0x1b0], %g5 - ldx [%sp + 2047 + 0x1b8], %g6 - ldx [%sp + 2047 + 0x1c0], %g7 - wrpr %g0, 0x814, %pstate ! save PROM interrupt globals - stx %g1, [%sp + 2047 + 0x0e8] - stx %g2, [%sp + 2047 + 0x0f0] - stx %g3, [%sp + 2047 + 0x0f8] - stx %g4, [%sp + 2047 + 0x100] - stx %g5, [%sp + 2047 + 0x108] - stx %g6, [%sp + 2047 + 0x110] - stx %g7, [%sp + 2047 + 0x118] - ! restore Linux interrupt globals - ldx [%sp + 2047 + 0x1c8], %g1 - ldx [%sp + 2047 + 0x1d0], %g2 - ldx [%sp + 2047 + 0x1d8], %g3 - ldx [%sp + 2047 + 0x1e0], %g4 - ldx [%sp + 2047 + 0x1e8], %g5 - ldx [%sp + 2047 + 0x1f0], %g6 - ldx [%sp + 2047 + 0x1f8], %g7 - wrpr %g0, 0x14, %pstate ! save PROM normal globals - stx %g1, [%sp + 2047 + 0x120] - stx %g2, [%sp + 2047 + 0x128] - stx %g3, [%sp + 2047 + 0x130] - stx %g4, [%sp + 2047 + 0x138] - stx %g5, [%sp + 2047 + 0x140] - stx %g6, [%sp + 2047 + 0x148] - stx %g7, [%sp + 2047 + 0x150] - ! restore Linux normal globals - ldx [%sp + 2047 + 0x200], %g1 - ldx [%sp + 2047 + 0x208], %g2 - ldx [%sp + 2047 + 0x210], %g3 - ldx [%sp + 2047 + 0x218], %g4 - ldx [%sp + 2047 + 0x220], %g5 - ldx [%sp + 2047 + 0x228], %g6 - ldx [%sp + 2047 + 0x230], %g7 - wrpr %g0, 0x414, %pstate ! save PROM mmu globals - stx %g1, [%sp + 2047 + 0x158] - stx %g2, [%sp + 2047 + 0x160] - stx %g3, [%sp + 2047 + 0x168] - stx %g4, [%sp + 2047 + 0x170] - stx %g5, [%sp + 2047 + 0x178] - stx %g6, [%sp + 2047 + 0x180] - stx %g7, [%sp + 2047 + 0x188] - ! restore Linux mmu globals - ldx [%sp + 2047 + 0x238], %o0 - ldx [%sp + 2047 + 0x240], %o1 - ldx [%sp + 2047 + 0x248], %l2 - ldx [%sp + 2047 + 0x250], %l3 - ldx [%sp + 2047 + 0x258], %l5 - ldx [%sp + 2047 + 0x260], %l6 - ldx [%sp + 2047 + 0x268], %l7 - ! switch to Linux tba - sethi %hi(sparc64_ttable_tl0), %l1 - rdpr %tba, %l0 ! save PROM tba - mov %o0, %g1 - mov %o1, %g2 - mov %l2, %g3 - mov %l3, %g4 - mov %l5, %g5 - mov %l6, %g6 - mov %l7, %g7 - wrpr %l1, %tba ! install Linux tba - wrpr %l4, 0, %pstate ! restore PSTATE - call prom_world - mov %g0, %o0 - ldx [%i1 + 0x000], %l2 - call %l2 - mov %i0, %o0 - mov %o0, %l1 - call prom_world - or %g0, 1, %o0 - wrpr %g0, 0x14, %pstate ! interrupts off - ! restore PROM mmu globals - ldx [%sp + 2047 + 0x158], %o0 - ldx [%sp + 2047 + 0x160], %o1 - ldx [%sp + 2047 + 0x168], %l2 - ldx [%sp + 2047 + 0x170], %l3 - ldx [%sp + 2047 + 0x178], %l5 - ldx [%sp + 2047 + 0x180], %l6 - ldx [%sp + 2047 + 0x188], %l7 - wrpr %g0, 0x414, %pstate ! restore PROM mmu globals - mov %o0, %g1 - mov %o1, %g2 - mov %l2, %g3 - mov %l3, %g4 - mov %l5, %g5 - mov %l6, %g6 - mov %l7, %g7 - wrpr %l0, %tba ! restore PROM tba - wrpr %g0, 0x14, %pstate ! restore PROM normal globals - ldx [%sp + 2047 + 0x120], %g1 - ldx [%sp + 2047 + 0x128], %g2 - ldx [%sp + 2047 + 0x130], %g3 - ldx [%sp + 2047 + 0x138], %g4 - ldx [%sp + 2047 + 0x140], %g5 - ldx [%sp + 2047 + 0x148], %g6 - ldx [%sp + 2047 + 0x150], %g7 - wrpr %g0, 0x814, %pstate ! restore PROM interrupt globals - ldx [%sp + 2047 + 0x0e8], %g1 - ldx [%sp + 2047 + 0x0f0], %g2 - ldx [%sp + 2047 + 0x0f8], %g3 - ldx [%sp + 2047 + 0x100], %g4 - ldx [%sp + 2047 + 0x108], %g5 - ldx [%sp + 2047 + 0x110], %g6 - ldx [%sp + 2047 + 0x118], %g7 - wrpr %g0, 0x15, %pstate ! restore PROM alternate globals - ldx [%sp + 2047 + 0x0b0], %g1 - ldx [%sp + 2047 + 0x0b8], %g2 - ldx [%sp + 2047 + 0x0c0], %g3 - ldx [%sp + 2047 + 0x0c8], %g4 - ldx [%sp + 2047 + 0x0d0], %g5 - ldx [%sp + 2047 + 0x0d8], %g6 - ldx [%sp + 2047 + 0x0e0], %g7 - wrpr %l4, 0, %pstate - ret - restore %l1, 0, %o0 - |
