From f4b1dbc9ac47d24a644462c91c5fb1514da3829b Mon Sep 17 00:00:00 2001 From: Kevin O'Connor Date: Tue, 21 Oct 2014 15:15:44 -0400 Subject: vgabios: Rename vbe_flags to flags Allow the custom bda field vbe_flags to be used for flags outside of vbe. Signed-off-by: Kevin O'Connor --- vgasrc/vbe.c | 7 ++++--- vgasrc/vgabios.h | 4 +++- 2 files changed, 7 insertions(+), 4 deletions(-) diff --git a/vgasrc/vbe.c b/vgasrc/vbe.c index 06ec22e..e2aeced 100644 --- a/vgasrc/vbe.c +++ b/vgasrc/vbe.c @@ -381,11 +381,12 @@ vbe_104f10(struct bregs *regs) case 0x00: regs->bx = 0x0f30; break; - case 0x01: - SET_BDA_EXT(vbe_flag, regs->bh); + case 0x01: ; + u8 flags = GET_BDA_EXT(flags); + SET_BDA_EXT(flags, (flags & ~BF_PM_MASK) | (regs->bh & BF_PM_MASK)); break; case 0x02: - regs->bh = GET_BDA_EXT(vbe_flag); + regs->bh = GET_BDA_EXT(flags) & BF_PM_MASK; break; default: regs->ax = 0x014f; diff --git a/vgasrc/vgabios.h b/vgasrc/vgabios.h index fc8d45a..0ec4a8e 100644 --- a/vgasrc/vgabios.h +++ b/vgasrc/vgabios.h @@ -79,11 +79,13 @@ struct gfx_op { #define VGA_CUSTOM_BDA 0xb9 struct vga_bda_s { - u8 vbe_flag; + u8 flags; u16 vbe_mode; u16 vgamode_offset; } PACKED; +#define BF_PM_MASK 0x0f + #define GET_BDA_EXT(var) \ GET_FARVAR(SEG_BDA, ((struct vga_bda_s *)VGA_CUSTOM_BDA)->var) #define SET_BDA_EXT(var, val) \ -- cgit v1.1