wok-current rev 21781
linld: DOS=UMB,LOADHIGH & co support
author | Pascal Bellard <pascal.bellard@slitaz.org> |
---|---|
date | Sun Jul 14 19:06:44 2019 +0200 (2019-07-14) |
parents | 97b8cb8c268b |
children | 6847c1ac0883 |
files | linld/stuff/src/JUMP.ASM linld/stuff/src/LOAD.CPP |
line diff
1.1 --- a/linld/stuff/src/JUMP.ASM Sun Jul 14 10:28:47 2019 +0200 1.2 +++ b/linld/stuff/src/JUMP.ASM Sun Jul 14 19:06:44 2019 +0200 1.3 @@ -152,13 +152,12 @@ 1.4 call near @@isbzimage ; pop cs ; ds=es=ss 1.5 1.6 ; prepare memcpy32 size & srcofs param to move zImage pm 1.7 + ifndef NO386 1.8 + push 8 ; size hi 1.9 + else 1.10 mov dx,8 1.11 - cmp ax,dx ; buf > 80000h ? 1.12 - ja @@bufhigh 1.13 - sub dx,ax 1.14 - inc dx ; up to 90000h-1 1.15 -@@bufhigh: 1.16 push dx ; size hi 1.17 + endif 1.18 push cx ; size lo=up to 512k 1.19 push ax ; src ofs hi = pm.fallback 1.20
2.1 --- a/linld/stuff/src/LOAD.CPP Sun Jul 14 10:28:47 2019 +0200 2.2 +++ b/linld/stuff/src/LOAD.CPP Sun Jul 14 19:06:44 2019 +0200 2.3 @@ -216,6 +216,10 @@ 2.4 (u16)(topseg()>>12) || _pm_high) { 2.5 m->fallback = base_himem; 2.6 } 2.7 + if (((u16 *)&m->fallback)[1] == 0) { 2.8 + ((u16 *)&m->fallback)[0] &= 0; 2.9 + ((u16 *)&m->fallback)[1]++; // m->fallback = _64k; 2.10 + } 2.11 2.12 load_image(m); 2.13 return version_string;