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u3: adds printf ("live: mapped ...") for demand paging

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This commit is contained in:
Joe Bryan 2022-11-03 20:44:15 -04:00
parent 1b5e808ec5
commit b102cbb908
1 changed files with 14 additions and 7 deletions
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21
pkg/urbit/noun/events.c
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@ -1149,6 +1149,7 @@ u3e_live(c3_o nuu_o, c3_c* dir_c)
}
else {
u3_ce_patch* pat_u;
c3_w nor_w, sou_w;
/* Load any patch files; apply them to images.
*/
@ -1160,9 +1161,12 @@ u3e_live(c3_o nuu_o, c3_c* dir_c)
_ce_patch_delete();
}
nor_w = u3P.nor_u.pgs_w;
sou_w = u3P.sou_u.pgs_w;
// detect snapshots from a larger loom
//
if ( (u3P.nor_u.pgs_w + u3P.sou_u.pgs_w + 1) >= u3a_pages ) {
if ( (nor_w + sou_w + 1) >= u3P.pag_w ) {
fprintf(stderr, "boot: snapshot too big for loom\r\n");
exit(1);
}
@ -1175,26 +1179,29 @@ u3e_live(c3_o nuu_o, c3_c* dir_c)
*/
{
if ( u3C.wag_w & u3o_no_demand ) {
_ce_loom_blit_north(u3P.nor_u.fid_i, u3P.nor_u.pgs_w);
_ce_loom_blit_north(u3P.nor_u.fid_i, nor_w);
}
else {
_ce_loom_mapf_north(u3P.nor_u.fid_i, u3P.nor_u.pgs_w, 0);
_ce_loom_mapf_north(u3P.nor_u.fid_i, nor_w, 0);
}
_ce_loom_blit_south(u3P.sou_u.fid_i, u3P.sou_u.pgs_w);
_ce_loom_blit_south(u3P.sou_u.fid_i, sou_w);
u3l_log("boot: protected loom\r\n");
}
/* If the images were empty, we are logically booting.
*/
if ( (0 == u3P.nor_u.pgs_w) && (0 == u3P.sou_u.pgs_w) ) {
if ( !nor_w && !sou_w ) {
u3l_log("live: logical boot\r\n");
nuu_o = c3y;
}
else if ( u3C.wag_w & u3o_no_demand ) {
u3a_print_memory(stderr, "live: loaded", (nor_w + sou_w) << u3a_page);
}
else {
u3a_print_memory(stderr, "live: loaded",
(u3P.nor_u.pgs_w + u3P.sou_u.pgs_w) << u3a_page);
u3a_print_memory(stderr, "live: mapped", nor_w << u3a_page);
u3a_print_memory(stderr, "live: loaded", sou_w << u3a_page);
}
}
}