1 /* DAT on, home-space mode, 64-bit mode */ 2 #define DAT_PSWM 0x400c00180000000 3 #define VIRTUAL_BASE 0x123456789abcd000 4 5 .org 0x8e 6 program_interruption_code: 7 .org 0x150 8 program_old_psw: 9 .org 0x1d0 /* program new PSW */ 10 .quad 0,pgm_handler 11 .org 0x200 /* lowcore padding */ 12 13 .globl _start 14 _start: 15 lctlg %c13,%c13,hasce 16 lpswe dat_psw 17 start_dat: 18 sam24 19 sam24_suppressed: 20 /* sam24 should fail */ 21 fail: 22 basr %r12,%r0 23 lpswe failure_psw-.(%r12) 24 pgm_handler: 25 chhsi program_interruption_code,6 /* specification exception? */ 26 jne fail 27 clc suppressed_psw(16),program_old_psw /* correct location? */ 28 jne fail 29 lpswe success_psw 30 31 .align 8 32 dat_psw: 33 .quad DAT_PSWM,VIRTUAL_BASE+start_dat 34 suppressed_psw: 35 .quad DAT_PSWM,VIRTUAL_BASE+sam24_suppressed 36 success_psw: 37 .quad 0x2000000000000,0xfff /* see is_special_wait_psw() */ 38 failure_psw: 39 .quad 0x2000000000000,0 /* disabled wait */ 40 hasce: 41 /* DT = 0b11 (region-first-table), TL = 3 (2k entries) */ 42 .quad region_first_table + (3 << 2) + 3 43 .align 0x1000 44 region_first_table: 45 .org region_first_table + ((VIRTUAL_BASE >> 53) & 0x7ff) * 8 46 /* TT = 0b11 (region-first-table), TL = 3 (2k entries) */ 47 .quad region_second_table + (3 << 2) + 3 48 .org region_first_table + 0x800 * 8 49 region_second_table: 50 .org region_second_table + ((VIRTUAL_BASE >> 42) & 0x7ff) * 8 51 /* TT = 0b10 (region-second-table), TL = 3 (2k entries) */ 52 .quad region_third_table + (2 << 2) + 3 53 .org region_second_table + 0x800 * 8 54 region_third_table: 55 .org region_third_table + ((VIRTUAL_BASE >> 31) & 0x7ff) * 8 56 /* TT = 0b01 (region-third-table), TL = 3 (2k entries) */ 57 .quad segment_table + (1 << 2) + 3 58 .org region_third_table + 0x800 * 8 59 segment_table: 60 .org segment_table + ((VIRTUAL_BASE >> 20) & 0x7ff) * 8 61 /* TT = 0b00 (segment-table) */ 62 .quad page_table 63 .org segment_table + 0x800 * 8 64 page_table: 65 .org page_table + ((VIRTUAL_BASE >> 12) & 0xff) * 8 66 .quad 0 67 .org page_table + 0x100 * 8 68