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| author | Frediano Ziglio <frediano.ziglio@citrix.com> | 2012-05-07 13:37:47 +0100 |
|---|---|---|
| committer | Frediano Ziglio <frediano.ziglio@citrix.com> | 2012-05-07 13:37:47 +0100 |
| commit | a8ceaf5c72e7cd80a393622d047bb17ed7ffab65 (patch) | |
| tree | 60a6ee592a8306b24388687c3e990a3dc17a7e19 /tools/firmware | |
| parent | ab1f3cd4ab3127be52bcd2123578b44eaedd74a9 (diff) | |
| download | xen-a8ceaf5c72e7cd80a393622d047bb17ed7ffab65.tar.gz xen-a8ceaf5c72e7cd80a393622d047bb17ed7ffab65.tar.bz2 xen-a8ceaf5c72e7cd80a393622d047bb17ed7ffab65.zip | |
vgabios: Report mode not supported getting mode informations
If you try to get mode information for an unsupported mode
interrupt should return error but not that the function is not
supported.
Signed-off-by: Frediano Ziglio <frediano.ziglio@citrix.com>
Committed-by: Keir Fraser <keir@xen.org>
Diffstat (limited to 'tools/firmware')
| -rw-r--r-- | tools/firmware/vgabios/vbe.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/firmware/vgabios/vbe.c b/tools/firmware/vgabios/vbe.c index 04b1be48f5..dd795354a7 100644 --- a/tools/firmware/vgabios/vbe.c +++ b/tools/firmware/vgabios/vbe.c @@ -909,7 +909,8 @@ Bit16u *AX;Bit16u ES;Bit16u DI; void vbe_biosfn_return_mode_information(AX, CX, ES, DI) Bit16u *AX;Bit16u CX; Bit16u ES;Bit16u DI; { - Bit16u result=0x0100; + // error by default is 0x014f which means supported but error + Bit16u result=0x014f; Bit16u ss=get_SS(); ModeInfoBlock info; ModeInfoListItem *cur_info; @@ -953,7 +954,6 @@ Bit16u *AX;Bit16u CX; Bit16u ES;Bit16u DI; #ifdef DEBUG printf("VBE *NOT* found mode %x\n",CX); #endif - result = 0x100; } if (result == 0x4f) |