1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* The registers for cross calls will be:
4 * DATA 0: [low 32-bits] Address of function to call, jmp to this
5 * [high 32-bits] MMU Context Argument 0, place in %g5
6 * DATA 1: Address Argument 1, place in %g1
7 * DATA 2: Address Argument 2, place in %g7
9 * With this method we can do most of the cross-call tlb/cache
10 * flushing very quickly.
14 .type do_ivec,#function
17 ldxa [%g3 + %g0] ASI_INTR_R, %g3
18 sethi %hi(KERNBASE), %g4
20 bgeu,pn %xcc, do_ivec_xcall
22 stxa %g0, [%g0] ASI_INTR_RECEIVE
25 sethi %hi(ivector_table_pa), %g2
26 ldx [%g2 + %lo(ivector_table_pa)], %g2
30 TRAP_LOAD_IRQ_WORK_PA(%g6, %g1)
33 stxa %g5, [%g3] ASI_PHYS_USE_EC
35 wr %g0, 1 << PIL_DEVICE_IRQ, %set_softint
39 ldxa [%g1 + %g0] ASI_INTR_R, %g1
43 ldxa [%g7 + %g0] ASI_INTR_R, %g7
44 stxa %g0, [%g0] ASI_INTR_RECEIVE
52 .size do_ivec,.-do_ivec