Commit 5690d9ec authored by BALATON Zoltan's avatar BALATON Zoltan Committed by David Gibson
Browse files

sm501: Add some more unimplemented registers 



These are not really implemented (just return zero or default values)
but add these so guests accessing them can run.

Signed-off-by: default avatarBALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: default avatarDavid Gibson <david@gibson.dropbear.id.au>
parent a45de179

hw/display/sm501.c

+17 −0
Original line number Diff line number Diff line
@@ -795,6 +795,8 @@ static uint64_t sm501_system_config_read(void *opaque, hwaddr addr, 
    case SM501_ARBTRTN_CONTROL:

        ret = s->arbitration_control;

        break;

    case SM501_COMMAND_LIST_STATUS:

        ret = 0x00180002; /* FIFOs are empty, everything idle */

    case SM501_IRQ_MASK:

        ret = s->irq_mask;

        break;
@@ -812,6 +814,9 @@ static uint64_t sm501_system_config_read(void *opaque, hwaddr addr, 
    case SM501_POWER_MODE_CONTROL:

        ret = s->power_mode_control;

        break;

    case SM501_ENDIAN_CONTROL:

        ret = 0; /* Only default little endian mode is supported */

        break;



    default:

        printf("sm501 system config : not implemented register read."
@@ -865,6 +870,12 @@ static void sm501_system_config_write(void *opaque, hwaddr addr, 
    case SM501_POWER_MODE_CONTROL:

        s->power_mode_control = value & 0x00000003;

        break;

    case SM501_ENDIAN_CONTROL:

        if (value & 0x00000001) {

            printf("sm501 system config : big endian mode not implemented.\n");

            abort();

        }

        break;



    default:

        printf("sm501 system config : not implemented register write."
@@ -924,6 +935,9 @@ static uint64_t sm501_disp_ctrl_read(void *opaque, hwaddr addr, 
    case SM501_DC_PANEL_PANNING_CONTROL:

        ret = s->dc_panel_panning_control;

        break;

    case SM501_DC_PANEL_COLOR_KEY:

        /* Not implemented yet */

        break;

    case SM501_DC_PANEL_FB_ADDR:

        ret = s->dc_panel_fb_addr;

        break;
@@ -1035,6 +1049,9 @@ static void sm501_disp_ctrl_write(void *opaque, hwaddr addr, 
    case SM501_DC_PANEL_PANNING_CONTROL:

        s->dc_panel_panning_control = value & 0xFF3FFF3F;

        break;

    case SM501_DC_PANEL_COLOR_KEY:

        /* Not implemented yet */

        break;

    case SM501_DC_PANEL_FB_ADDR:

        s->dc_panel_fb_addr = value & 0x8FFFFFF0;

        break;