Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Only attach 1 VSYNC interrupt handler instead of a interrupt handler per

Browse Source 
virtual console.
This commit is contained in:
mark 1996-06-12 19:12:57 +00:00
parent 2266b8dd57
commit 3ed835cae8
2 changed files with 26 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
sys/arch/arm32/dev/console/vidcconsole.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: vidcconsole.c,v 1.10 1996/06/03 22:14:56 mark Exp $ */
/* $NetBSD: vidcconsole.c,v 1.11 1996/06/12 19:12:57 mark Exp $ */
/*
* Copyright (c) 1996 Robert Black
@ -1261,7 +1261,7 @@ vidcconsole_cursorintr(vc)
vidc_write ( VIDC_CP1, 0xffffff );
}
}
return(0);
return(0); /* Pass interrupt on down the chain */
}
int
@ -1312,7 +1312,7 @@ vidcconsole_flashintr(vc)
vidc_write(VIDC_PALETTE, VIDC_COL( 0, 0, 0));
}
}
return(0);
return(0); /* Pass interrupt on down the chain */
}
static int
@ -1642,16 +1642,20 @@ int
vidcconsole_flash_go(vc)
struct vconsole *vc;
{
static lock=0;
static int irqclaimed = 0;
static int lock=0;
if (lock==1)
return -1;
lock=0;
cursor_ih.ih_func = vidcconsole_cursorintr;
cursor_ih.ih_arg = vc;
cursor_ih.ih_level = IPL_TTY;
cursor_ih.ih_name = "vsync";
irq_claim ( IRQ_FLYBACK, &cursor_ih );
if (!irqclaimed) {
cursor_ih.ih_func = vidcconsole_cursorintr;
cursor_ih.ih_arg = vc;
cursor_ih.ih_level = IPL_TTY;
cursor_ih.ih_name = "vsync";
irq_claim ( IRQ_FLYBACK, &cursor_ih );
irqclaimed = 1;
}
cursor_init = 0;
return 0;

22
sys/arch/arm32/vidc/console/vidcconsole.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: vidcconsole.c,v 1.10 1996/06/03 22:14:56 mark Exp $ */
/* $NetBSD: vidcconsole.c,v 1.11 1996/06/12 19:12:57 mark Exp $ */
/*
* Copyright (c) 1996 Robert Black
@ -1261,7 +1261,7 @@ vidcconsole_cursorintr(vc)
vidc_write ( VIDC_CP1, 0xffffff );
}
}
return(0);
return(0); /* Pass interrupt on down the chain */
}
int
@ -1312,7 +1312,7 @@ vidcconsole_flashintr(vc)
vidc_write(VIDC_PALETTE, VIDC_COL( 0, 0, 0));
}
}
return(0);
return(0); /* Pass interrupt on down the chain */
}
static int
@ -1642,16 +1642,20 @@ int
vidcconsole_flash_go(vc)
struct vconsole *vc;
{
static lock=0;
static int irqclaimed = 0;
static int lock=0;
if (lock==1)
return -1;
lock=0;
cursor_ih.ih_func = vidcconsole_cursorintr;
cursor_ih.ih_arg = vc;
cursor_ih.ih_level = IPL_TTY;
cursor_ih.ih_name = "vsync";
irq_claim ( IRQ_FLYBACK, &cursor_ih );
if (!irqclaimed) {
cursor_ih.ih_func = vidcconsole_cursorintr;
cursor_ih.ih_arg = vc;
cursor_ih.ih_level = IPL_TTY;
cursor_ih.ih_name = "vsync";
irq_claim ( IRQ_FLYBACK, &cursor_ih );
irqclaimed = 1;
}
cursor_init = 0;
return 0;