gwj / at91sam9263 · Commits

Commit 1f5476fcce8f76fe0d53ae8c51e1c50e8f13e1ed

Authored by bellard
1 parent 461c0471

a20 support - keyboard led fix 


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@441 c046a42c-6fe2-441c-8c8c-71466251a162
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Showing 1 changed file with 6 additions and 6 deletions
... ... @@ -2594,8 +2594,8 @@ void ide_init(void)
2594 2594 #define KBD_CCMD_WRITE_AUX_OBUF 0xD3 /* Write to output buffer as if
2595 2595 initiated by the auxiliary device */
2596 2596 #define KBD_CCMD_WRITE_MOUSE 0xD4 /* Write the following byte to the mouse */
2597   -#define KBD_CCMD_ENABLE_A20 0xDD
2598   -#define KBD_CCMD_DISABLE_A20 0xDF
  2597 +#define KBD_CCMD_DISABLE_A20 0xDD /* HP vectra only ? */
  2598 +#define KBD_CCMD_ENABLE_A20 0xDF /* HP vectra only ? */
2599 2599 #define KBD_CCMD_RESET 0xFE
2600 2600  
2601 2601 /* Keyboard Commands */
... ... @@ -2685,7 +2685,6 @@ typedef struct KBDState {
2685 2685  
2686 2686 KBDState kbd_state;
2687 2687 int reset_requested;
2688   -int a20_enabled;
2689 2688  
2690 2689 /* update irq and KBD_STAT_[MOUSE_]OBF */
2691 2690 static void kbd_update_irq(KBDState *s)
... ... @@ -2802,10 +2801,10 @@ void kbd_write_command(CPUX86State *env, uint32_t addr, uint32_t val)
2802 2801 kbd_queue(s, val, 0);
2803 2802 break;
2804 2803 case KBD_CCMD_ENABLE_A20:
2805   - a20_enabled = 1;
  2804 + cpu_x86_set_a20(env, 1);
2806 2805 break;
2807 2806 case KBD_CCMD_DISABLE_A20:
2808   - a20_enabled = 0;
  2807 + cpu_x86_set_a20(env, 0);
2809 2808 break;
2810 2809 case KBD_CCMD_RESET:
2811 2810 reset_requested = 1;
... ... @@ -2875,6 +2874,7 @@ static void kbd_write_keyboard(KBDState *s, int val)
2875 2874 case KBD_CMD_SET_LEDS:
2876 2875 case KBD_CMD_SET_RATE:
2877 2876 s->kbd_write_cmd = val;
  2877 + kbd_queue(s, KBD_REPLY_ACK, 0);
2878 2878 break;
2879 2879 case KBD_CMD_RESET_DISABLE:
2880 2880 kbd_reset_keyboard(s);
... ... @@ -3129,7 +3129,7 @@ void kbd_write_data(CPUX86State *env, uint32_t addr, uint32_t val)
3129 3129 kbd_queue(s, val, 1);
3130 3130 break;
3131 3131 case KBD_CCMD_WRITE_OUTPORT:
3132   - a20_enabled = (val >> 1) & 1;
  3132 + cpu_x86_set_a20(env, (val >> 1) & 1);
3133 3133 if (!(val & 1)) {
3134 3134 reset_requested = 1;
3135 3135 cpu_x86_interrupt(global_env, CPU_INTERRUPT_EXIT);
... ...