1#ifdef CONFIG_KGDB 2 .globl arch_kgdb_breakpoint 3 .type arch_kgdb_breakpoint,#function 4arch_kgdb_breakpoint: 5 ta 0x72 6 retl 7 nop 8 .size arch_kgdb_breakpoint,.-arch_kgdb_breakpoint 9#endif 10 11 .type __do_privact,#function 12__do_privact: 13 mov TLB_SFSR, %g3 14 stxa %g0, [%g3] ASI_DMMU ! Clear FaultValid bit 15 membar #Sync 16 sethi %hi(109f), %g7 17 ba,pt %xcc, etrap 18109: or %g7, %lo(109b), %g7 19 call do_privact 20 add %sp, PTREGS_OFF, %o0 21 ba,a,pt %xcc, rtrap 22 .size __do_privact,.-__do_privact 23 24 .type do_mna,#function 25do_mna: 26 rdpr %tl, %g3 27 cmp %g3, 1 28 29 /* Setup %g4/%g5 now as they are used in the 30 * winfixup code. 31 */ 32 mov TLB_SFSR, %g3 33 mov DMMU_SFAR, %g4 34 ldxa [%g4] ASI_DMMU, %g4 35 ldxa [%g3] ASI_DMMU, %g5 36 stxa %g0, [%g3] ASI_DMMU ! Clear FaultValid bit 37 membar #Sync 38 bgu,pn %icc, winfix_mna 39 rdpr %tpc, %g3 40 411: sethi %hi(109f), %g7 42 ba,pt %xcc, etrap 43109: or %g7, %lo(109b), %g7 44 mov %l4, %o1 45 mov %l5, %o2 46 call mem_address_unaligned 47 add %sp, PTREGS_OFF, %o0 48 ba,a,pt %xcc, rtrap 49 .size do_mna,.-do_mna 50 51 .type do_lddfmna,#function 52do_lddfmna: 53 sethi %hi(109f), %g7 54 mov TLB_SFSR, %g4 55 ldxa [%g4] ASI_DMMU, %g5 56 stxa %g0, [%g4] ASI_DMMU ! Clear FaultValid bit 57 membar #Sync 58 mov DMMU_SFAR, %g4 59 ldxa [%g4] ASI_DMMU, %g4 60 ba,pt %xcc, etrap 61109: or %g7, %lo(109b), %g7 62 mov %l4, %o1 63 mov %l5, %o2 64 call handle_lddfmna 65 add %sp, PTREGS_OFF, %o0 66 ba,a,pt %xcc, rtrap 67 .size do_lddfmna,.-do_lddfmna 68 69 .type do_stdfmna,#function 70do_stdfmna: 71 sethi %hi(109f), %g7 72 mov TLB_SFSR, %g4 73 ldxa [%g4] ASI_DMMU, %g5 74 stxa %g0, [%g4] ASI_DMMU ! Clear FaultValid bit 75 membar #Sync 76 mov DMMU_SFAR, %g4 77 ldxa [%g4] ASI_DMMU, %g4 78 ba,pt %xcc, etrap 79109: or %g7, %lo(109b), %g7 80 mov %l4, %o1 81 mov %l5, %o2 82 call handle_stdfmna 83 add %sp, PTREGS_OFF, %o0 84 ba,a,pt %xcc, rtrap 85 .size do_stdfmna,.-do_stdfmna 86 87 .type breakpoint_trap,#function 88breakpoint_trap: 89 call sparc_breakpoint 90 add %sp, PTREGS_OFF, %o0 91 ba,pt %xcc, rtrap 92 nop 93 .size breakpoint_trap,.-breakpoint_trap 94