diff options
Diffstat (limited to 'arch/sparc64/kernel/entry.S')
-rw-r--r-- | arch/sparc64/kernel/entry.S | 116 |
1 files changed, 4 insertions, 112 deletions
diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S index a47f2d0b1a29..eee516a71c14 100644 --- a/arch/sparc64/kernel/entry.S +++ b/arch/sparc64/kernel/entry.S @@ -271,8 +271,9 @@ cplus_fptrap_insn_1: fmuld %f0, %f2, %f26 faddd %f0, %f2, %f28 fmuld %f0, %f2, %f30 + membar #Sync b,pt %xcc, fpdis_exit - membar #Sync + nop 2: andcc %g5, FPRS_DU, %g0 bne,pt %icc, 3f fzero %f32 @@ -301,8 +302,9 @@ cplus_fptrap_insn_2: fmuld %f32, %f34, %f58 faddd %f32, %f34, %f60 fmuld %f32, %f34, %f62 + membar #Sync ba,pt %xcc, fpdis_exit - membar #Sync + nop 3: mov SECONDARY_CONTEXT, %g3 add %g6, TI_FPREGS, %g1 ldxa [%g3] ASI_DMMU, %g5 @@ -699,116 +701,6 @@ utrap_ill: ba,pt %xcc, rtrap clr %l6 -#ifdef CONFIG_BLK_DEV_FD - .globl floppy_hardint -floppy_hardint: - wr %g0, (1 << 11), %clear_softint - sethi %hi(doing_pdma), %g1 - ld [%g1 + %lo(doing_pdma)], %g2 - brz,pn %g2, floppy_dosoftint - sethi %hi(fdc_status), %g3 - ldx [%g3 + %lo(fdc_status)], %g3 - sethi %hi(pdma_vaddr), %g5 - ldx [%g5 + %lo(pdma_vaddr)], %g4 - sethi %hi(pdma_size), %g5 - ldx [%g5 + %lo(pdma_size)], %g5 - -next_byte: - lduba [%g3] ASI_PHYS_BYPASS_EC_E, %g7 - andcc %g7, 0x80, %g0 - be,pn %icc, floppy_fifo_emptied - andcc %g7, 0x20, %g0 - be,pn %icc, floppy_overrun - andcc %g7, 0x40, %g0 - be,pn %icc, floppy_write - sub %g5, 1, %g5 - - inc %g3 - lduba [%g3] ASI_PHYS_BYPASS_EC_E, %g7 - dec %g3 - orcc %g0, %g5, %g0 - stb %g7, [%g4] - bne,pn %xcc, next_byte - add %g4, 1, %g4 - - b,pt %xcc, floppy_tdone - nop - -floppy_write: - ldub [%g4], %g7 - orcc %g0, %g5, %g0 - inc %g3 - stba %g7, [%g3] ASI_PHYS_BYPASS_EC_E - dec %g3 - bne,pn %xcc, next_byte - add %g4, 1, %g4 - -floppy_tdone: - sethi %hi(pdma_vaddr), %g1 - stx %g4, [%g1 + %lo(pdma_vaddr)] - sethi %hi(pdma_size), %g1 - stx %g5, [%g1 + %lo(pdma_size)] - sethi %hi(auxio_register), %g1 - ldx [%g1 + %lo(auxio_register)], %g7 - lduba [%g7] ASI_PHYS_BYPASS_EC_E, %g5 - or %g5, AUXIO_AUX1_FTCNT, %g5 -/* andn %g5, AUXIO_AUX1_MASK, %g5 */ - stba %g5, [%g7] ASI_PHYS_BYPASS_EC_E - andn %g5, AUXIO_AUX1_FTCNT, %g5 -/* andn %g5, AUXIO_AUX1_MASK, %g5 */ - - nop; nop; nop; nop; nop; nop; - nop; nop; nop; nop; nop; nop; - - stba %g5, [%g7] ASI_PHYS_BYPASS_EC_E - sethi %hi(doing_pdma), %g1 - b,pt %xcc, floppy_dosoftint - st %g0, [%g1 + %lo(doing_pdma)] - -floppy_fifo_emptied: - sethi %hi(pdma_vaddr), %g1 - stx %g4, [%g1 + %lo(pdma_vaddr)] - sethi %hi(pdma_size), %g1 - stx %g5, [%g1 + %lo(pdma_size)] - sethi %hi(irq_action), %g1 - or %g1, %lo(irq_action), %g1 - ldx [%g1 + (11 << 3)], %g3 ! irqaction[floppy_irq] - ldx [%g3 + 0x08], %g4 ! action->flags>>48==ino - sethi %hi(ivector_table), %g3 - srlx %g4, 48, %g4 - or %g3, %lo(ivector_table), %g3 - sllx %g4, 5, %g4 - ldx [%g3 + %g4], %g4 ! &ivector_table[ino] - ldx [%g4 + 0x10], %g4 ! bucket->iclr - stwa %g0, [%g4] ASI_PHYS_BYPASS_EC_E ! ICLR_IDLE - membar #Sync ! probably not needed... - retry - -floppy_overrun: - sethi %hi(pdma_vaddr), %g1 - stx %g4, [%g1 + %lo(pdma_vaddr)] - sethi %hi(pdma_size), %g1 - stx %g5, [%g1 + %lo(pdma_size)] - sethi %hi(doing_pdma), %g1 - st %g0, [%g1 + %lo(doing_pdma)] - -floppy_dosoftint: - rdpr %pil, %g2 - wrpr %g0, 15, %pil - sethi %hi(109f), %g7 - b,pt %xcc, etrap_irq -109: or %g7, %lo(109b), %g7 - - mov 11, %o0 - mov 0, %o1 - call sparc_floppy_irq - add %sp, PTREGS_OFF, %o2 - - b,pt %xcc, rtrap_irq - nop - -#endif /* CONFIG_BLK_DEV_FD */ - /* XXX Here is stuff we still need to write... -DaveM XXX */ .globl netbsd_syscall netbsd_syscall: |