; ; group u, test 1 ; ; set up page table identical to no paging, turn paging on, ; do a few simple ops, turn paging off do a few simple ops. m4_include(..\tmacros.h) INIT_TEST(u,0x01) ; declare symbols here SYM(loop_exit) SYM(loop_top) SYM(fail0) SYM(next0) SYM(next1) SUBTEST(1) ; set up stack ld.16 a,0x7000 copy sp,a ; set things up call setup_page_table ; turn paging on call paging_on ; Make sure we still have our predefined data at fixed location ld.16 b,MEM0x7FFF_16 ld.16 a,0(b) cmpb.eq.16 a,0x7fff,next0 FAIL next0: ; Now, remap the data page at 0x5000 to page 0 ld.16 b,0x5000 ld.16 a,0x8000+0x4000 wdpte a,(b) ; OK - see if we can get MEM0x7FFF in new location ld.16 b,MEM0x7FFF_16 lea b,0x5000(b) ld.16 a,0(b) cmpb.eq.16 a,0x7fff,next1 FAIL next1: ; Clean up call paging_off call setup_page_table ; Finally, when done branch to pass END_TEST