cirrus_vga: rename cirrus_hook_write_cr() cirrus_vga_write_cr()

Simplify the logic to do everything inside the function.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

diff --git a/hw/cirrus_vga.c b/hw/cirrus_vga.c
index 86ab127..0ef8452 100644 (file)
--- a/hw/cirrus_vga.c
+++ b/hw/cirrus_vga.c
@@ -1634,10 +1634,9 @@ static int cirrus_vga_read_cr(CirrusVGAState * s, unsigned reg_index)
     }
 }
 
-static int
-cirrus_hook_write_cr(CirrusVGAState * s, unsigned reg_index, int reg_value)
+static void cirrus_vga_write_cr(CirrusVGAState * s, int reg_value)
 {
-    switch (reg_index) {
+    switch (s->vga.cr_index) {
     case 0x00:                 // Standard VGA
     case 0x01:                 // Standard VGA
     case 0x02:                 // Standard VGA
@@ -1663,16 +1662,35 @@ cirrus_hook_write_cr(CirrusVGAState * s, unsigned reg_index, int reg_value)
     case 0x16:                 // Standard VGA
     case 0x17:                 // Standard VGA
     case 0x18:                 // Standard VGA
-       return CIRRUS_HOOK_NOT_HANDLED;
+       /* handle CR0-7 protection */
+       if ((s->vga.cr[0x11] & 0x80) && s->vga.cr_index <= 7) {
+           /* can always write bit 4 of CR7 */
+           if (s->vga.cr_index == 7)
+               s->vga.cr[7] = (s->vga.cr[7] & ~0x10) | (reg_value & 0x10);
+           return;
+       }
+       s->vga.cr[s->vga.cr_index] = reg_value;
+       switch(s->vga.cr_index) {
+       case 0x00:
+       case 0x04:
+       case 0x05:
+       case 0x06:
+       case 0x07:
+       case 0x11:
+       case 0x17:
+           s->vga.update_retrace_info(&s->vga);
+           break;
+       }
+        break;
     case 0x19:                 // Interlace End
     case 0x1a:                 // Miscellaneous Control
     case 0x1b:                 // Extended Display Control
     case 0x1c:                 // Sync Adjust and Genlock
     case 0x1d:                 // Overlay Extended Control
-       s->vga.cr[reg_index] = reg_value;
+       s->vga.cr[s->vga.cr_index] = reg_value;
 #ifdef DEBUG_CIRRUS
        printf("cirrus: handled outport cr_index %02x, cr_value %02x\n",
-              reg_index, reg_value);
+              s->vga.cr_index, reg_value);
 #endif
        break;
     case 0x22:                 // Graphics Data Latches Readback (R)
@@ -1683,13 +1701,11 @@ cirrus_hook_write_cr(CirrusVGAState * s, unsigned reg_index, int reg_value)
     case 0x25:                 // Part Status
     default:
 #ifdef DEBUG_CIRRUS
-       printf("cirrus: outport cr_index %02x, cr_value %02x\n", reg_index,
-              reg_value);
+       printf("cirrus: outport cr_index %02x, cr_value %02x\n",
+               s->vga.cr_index, reg_value);
 #endif
        break;
     }
-
-    return CIRRUS_HOOK_HANDLED;
 }
 
 /***************************************
@@ -2826,31 +2842,10 @@ static void cirrus_vga_ioport_write(void *opaque, uint32_t addr, uint32_t val)
        break;
     case 0x3b5:
     case 0x3d5:
-       if (cirrus_hook_write_cr(c, s->cr_index, val))
-           break;
 #ifdef DEBUG_VGA_REG
        printf("vga: write CR%x = 0x%02x\n", s->cr_index, val);
 #endif
-       /* handle CR0-7 protection */
-       if ((s->cr[0x11] & 0x80) && s->cr_index <= 7) {
-           /* can always write bit 4 of CR7 */
-           if (s->cr_index == 7)
-               s->cr[7] = (s->cr[7] & ~0x10) | (val & 0x10);
-           return;
-       }
-       s->cr[s->cr_index] = val;
-
-       switch(s->cr_index) {
-       case 0x00:
-       case 0x04:
-       case 0x05:
-       case 0x06:
-       case 0x07:
-       case 0x11:
-       case 0x17:
-           s->update_retrace_info(s);
-           break;
-       }
+       cirrus_vga_write_cr(c, val);
        break;
     case 0x3ba:
     case 0x3da: