| /* DAT on, home-space mode, 64-bit mode */ |
| #define DAT_PSWM 0x400c00180000000 |
| #define VIRTUAL_BASE 0x123456789abcd000 |
| |
| .org 0x8e |
| program_interruption_code: |
| .org 0x150 |
| program_old_psw: |
| .org 0x1d0 /* program new PSW */ |
| .quad 0,pgm_handler |
| .org 0x200 /* lowcore padding */ |
| |
| .globl _start |
| _start: |
| lctlg %c13,%c13,hasce |
| lpswe dat_psw |
| start_dat: |
| sam24 |
| sam24_suppressed: |
| /* sam24 should fail */ |
| fail: |
| basr %r12,%r0 |
| lpswe failure_psw-.(%r12) |
| pgm_handler: |
| chhsi program_interruption_code,6 /* specification exception? */ |
| jne fail |
| clc suppressed_psw(16),program_old_psw /* correct location? */ |
| jne fail |
| lpswe success_psw |
| |
| .align 8 |
| dat_psw: |
| .quad DAT_PSWM,VIRTUAL_BASE+start_dat |
| suppressed_psw: |
| .quad DAT_PSWM,VIRTUAL_BASE+sam24_suppressed |
| success_psw: |
| .quad 0x2000000000000,0xfff /* see is_special_wait_psw() */ |
| failure_psw: |
| .quad 0x2000000000000,0 /* disabled wait */ |
| hasce: |
| /* DT = 0b11 (region-first-table), TL = 3 (2k entries) */ |
| .quad region_first_table + (3 << 2) + 3 |
| .align 0x1000 |
| region_first_table: |
| .org region_first_table + ((VIRTUAL_BASE >> 53) & 0x7ff) * 8 |
| /* TT = 0b11 (region-first-table), TL = 3 (2k entries) */ |
| .quad region_second_table + (3 << 2) + 3 |
| .org region_first_table + 0x800 * 8 |
| region_second_table: |
| .org region_second_table + ((VIRTUAL_BASE >> 42) & 0x7ff) * 8 |
| /* TT = 0b10 (region-second-table), TL = 3 (2k entries) */ |
| .quad region_third_table + (2 << 2) + 3 |
| .org region_second_table + 0x800 * 8 |
| region_third_table: |
| .org region_third_table + ((VIRTUAL_BASE >> 31) & 0x7ff) * 8 |
| /* TT = 0b01 (region-third-table), TL = 3 (2k entries) */ |
| .quad segment_table + (1 << 2) + 3 |
| .org region_third_table + 0x800 * 8 |
| segment_table: |
| .org segment_table + ((VIRTUAL_BASE >> 20) & 0x7ff) * 8 |
| /* TT = 0b00 (segment-table) */ |
| .quad page_table |
| .org segment_table + 0x800 * 8 |
| page_table: |
| .org page_table + ((VIRTUAL_BASE >> 12) & 0xff) * 8 |
| .quad 0 |
| .org page_table + 0x100 * 8 |
