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,pt %xcc, rtrap 22 nop 23 .size __do_privact,.-__do_privact 24 25 .type do_mna,#function 26do_mna: 27 rdpr %tl, %g3 28 cmp %g3, 1 29 30 /* Setup %g4/%g5 now as they are used in the 31 * winfixup code. 32 */ 33 mov TLB_SFSR, %g3 34 mov DMMU_SFAR, %g4 35 ldxa [%g4] ASI_DMMU, %g4 36 ldxa [%g3] ASI_DMMU, %g5 37 stxa %g0, [%g3] ASI_DMMU ! Clear FaultValid bit 38 membar #Sync 39 bgu,pn %icc, winfix_mna 40 rdpr %tpc, %g3 41 421: sethi %hi(109f), %g7 43 ba,pt %xcc, etrap 44109: or %g7, %lo(109b), %g7 45 mov %l4, %o1 46 mov %l5, %o2 47 call mem_address_unaligned 48 add %sp, PTREGS_OFF, %o0 49 ba,pt %xcc, rtrap 50 nop 51 .size do_mna,.-do_mna 52 53 .type do_lddfmna,#function 54do_lddfmna: 55 sethi %hi(109f), %g7 56 mov TLB_SFSR, %g4 57 ldxa [%g4] ASI_DMMU, %g5 58 stxa %g0, [%g4] ASI_DMMU ! Clear FaultValid bit 59 membar #Sync 60 mov DMMU_SFAR, %g4 61 ldxa [%g4] ASI_DMMU, %g4 62 ba,pt %xcc, etrap 63109: or %g7, %lo(109b), %g7 64 mov %l4, %o1 65 mov %l5, %o2 66 call handle_lddfmna 67 add %sp, PTREGS_OFF, %o0 68 ba,pt %xcc, rtrap 69 nop 70 .size do_lddfmna,.-do_lddfmna 71 72 .type do_stdfmna,#function 73do_stdfmna: 74 sethi %hi(109f), %g7 75 mov TLB_SFSR, %g4 76 ldxa [%g4] ASI_DMMU, %g5 77 stxa %g0, [%g4] ASI_DMMU ! Clear FaultValid bit 78 membar #Sync 79 mov DMMU_SFAR, %g4 80 ldxa [%g4] ASI_DMMU, %g4 81 ba,pt %xcc, etrap 82109: or %g7, %lo(109b), %g7 83 mov %l4, %o1 84 mov %l5, %o2 85 call handle_stdfmna 86 add %sp, PTREGS_OFF, %o0 87 ba,pt %xcc, rtrap 88 nop 89 .size do_stdfmna,.-do_stdfmna 90 91 .type breakpoint_trap,#function 92breakpoint_trap: 93 call sparc_breakpoint 94 add %sp, PTREGS_OFF, %o0 95 ba,pt %xcc, rtrap 96 nop 97 .size breakpoint_trap,.-breakpoint_trap 98