haraldwolff/qemu-patch-raspberry4
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cirrus_vga: rename cirrus_hook_read_sr() cirrus_vga_read_sr()

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And make it a real function

Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Juan Quintela 2009-08-31 16:07:25 +02:00 committed by Anthony Liguori
parent cedd91d20f
commit 8a82c322ce
1 changed files with 12 additions and 20 deletions
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32
hw/cirrus_vga.c
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@ -1236,19 +1236,17 @@ static void cirrus_update_bank_ptr(CirrusVGAState * s, unsigned bank_index)
*
***************************************/
static int
cirrus_hook_read_sr(CirrusVGAState * s, unsigned reg_index, int *reg_value)
static int cirrus_vga_read_sr(CirrusVGAState * s)
{
switch (reg_index) {
switch (s->vga.sr_index) {
case 0x00: // Standard VGA
case 0x01: // Standard VGA
case 0x02: // Standard VGA
case 0x03: // Standard VGA
case 0x04: // Standard VGA
return CIRRUS_HOOK_NOT_HANDLED;
return s->vga.sr[s->vga.sr_index];
case 0x06: // Unlock Cirrus extensions
*reg_value = s->vga.sr[reg_index];
break;
return s->vga.sr[s->vga.sr_index];
case 0x10:
case 0x30:
case 0x50:
@ -1257,8 +1255,7 @@ cirrus_hook_read_sr(CirrusVGAState * s, unsigned reg_index, int *reg_value)
case 0xb0:
case 0xd0:
case 0xf0: // Graphics Cursor X
*reg_value = s->vga.sr[0x10];
break;
return s->vga.sr[0x10];
case 0x11:
case 0x31:
case 0x51:
@ -1267,8 +1264,7 @@ cirrus_hook_read_sr(CirrusVGAState * s, unsigned reg_index, int *reg_value)
case 0xb1:
case 0xd1:
case 0xf1: // Graphics Cursor Y
*reg_value = s->vga.sr[0x11];
break;
return s->vga.sr[0x11];
case 0x05: // ???
case 0x07: // Extended Sequencer Mode
case 0x08: // EEPROM Control
@ -1294,19 +1290,16 @@ cirrus_hook_read_sr(CirrusVGAState * s, unsigned reg_index, int *reg_value)
case 0x1e: // VCLK 3 Denominator & Post
case 0x1f: // BIOS Write Enable and MCLK select
#ifdef DEBUG_CIRRUS
printf("cirrus: handled inport sr_index %02x\n", reg_index);
printf("cirrus: handled inport sr_index %02x\n", s->vga.sr_index);
#endif
*reg_value = s->vga.sr[reg_index];
break;
return s->vga.sr[s->vga.sr_index];
default:
#ifdef DEBUG_CIRRUS
printf("cirrus: inport sr_index %02x\n", reg_index);
printf("cirrus: inport sr_index %02x\n", s->vga.sr_index);
#endif
*reg_value = 0xff;
return 0xff;
break;
}
return CIRRUS_HOOK_HANDLED;
}
static int
@ -2687,9 +2680,8 @@ static uint32_t cirrus_vga_ioport_read(void *opaque, uint32_t addr)
val = s->sr_index;
break;
case 0x3c5:
if (cirrus_hook_read_sr(c, s->sr_index, &val))
break;
val = s->sr[s->sr_index];
val = cirrus_vga_read_sr(c);
break;
#ifdef DEBUG_VGA_REG
printf("vga: read SR%x = 0x%02x\n", s->sr_index, val);
#endif