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authorBALATON Zoltan2017-12-16 23:57:46 +0100
committerDavid Gibson2018-01-10 02:52:59 +0100
commit5690d9ecefb946100a4974d57ae03bc5ee11775a (patch)
treed3847954afbcc9c6d38ec97c803fda8a62670b05 /hw/display/sm501.c
parentsm501: Add panel hardware cursor registers also to read function (diff)
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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: BALATON Zoltan <balaton@eik.bme.hu> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'hw/display/sm501.c')
-rw-r--r--hw/display/sm501.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/hw/display/sm501.c b/hw/display/sm501.c
index b9b611131e..4f7dc59b25 100644
--- a/hw/display/sm501.c
+++ b/hw/display/sm501.c
@@ -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;