diff options
Diffstat (limited to 'runtime.S')
| -rw-r--r-- | runtime.S | 53 |
1 files changed, 0 insertions, 53 deletions
@@ -17,59 +17,6 @@ do_sync: pop %rcx skip_sync: ret - - .global handle_cycle_limit_int -handle_cycle_limit_int: - cmp 88(%rsi), %eax - jb skip_int - mov 84(%rsi), %ebp - /* swap USP and SSP if not already in supervisor mode */ - bt $5, 5(%rsi) - jc already_supervisor - mov 72(%rsi), %edi - mov %r15d, 72(%rsi) - mov %edi, %r15d -already_supervisor: - /* save PC */ - sub $4, %r15d - mov %r15d, %edi - call m68k_write_long_lowfirst - /* save status register on stack */ - sub $2, %r15d - mov %r15d, %edi - call get_sr - call m68k_write_word - /* update status register */ - andb $0xF8, 5(%rsi) - mov 92(%rsi), %cl - or $0x20, %cl - or %cl, 5(%rsi) - /* calculate interrupt vector address */ - mov 92(%rsi), %ecx - mov %cx, 6(%rsi) /* interrupt acknowlege */ - shl $2, %ecx - add $0x60, %ecx - /* push %rcx - call debug_print_sr_int - pop %rcx */ - call m68k_read_long_scratch1 - call m68k_native_addr_and_sync - add $24, %eax - /* discard function return address */ - pop %rdi - jmp *%rcx - ret -skip_int: - cmp 84(%rsi), %eax - jb skip_sync_int - call m68k_save_context - mov %rsi, %rdi - mov %ecx, %esi - call sync_components - mov %rax, %rsi - call m68k_load_context -skip_sync_int: - ret sr_msg_int: .asciz "SR set to $%X due to interrupt\n" |