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added another type2 coldstart script command.

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9042 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Rudolf Cornelissen 2004-09-23 14:43:53 +00:00
parent 6b30603314
commit 969eab3b53
1 changed files with 50 additions and 1 deletions

51
src/add-ons/accelerants/nvidia/engine/nv_info.c

@ -15,6 +15,7 @@ typedef struct {
uint16 MacroTablePtr; /* ptr to list with items containing multiple 32bit reg writes */
uint16 ConditionTablePtr; /* ptr to list of PCI regs and bits to tst for exec mode */
uint16 IOConditionTablePtr; /* ptr to list of ISA regs and bits to tst for exec mode */
uint16 IOFlagConditionTablePtr;/* ptr to list of ISA regs and bits to tst, ref'd to a matrix, for exec mode */
uint16 InitFunctionTablePtr; /* ptr to list of startadresses of fixed ROM init routines */
} PinsTables;
@ -184,6 +185,7 @@ static status_t pins3_6_read(uint8 *rom, uint32 offset)
tabs.MacroTablePtr = rom[offset + 79] + (rom[offset + 80] * 256);
tabs.ConditionTablePtr = rom[offset + 81] + (rom[offset + 82] * 256);
tabs.IOConditionTablePtr = rom[offset + 83] + (rom[offset + 84] * 256);
tabs.IOFlagConditionTablePtr = rom[offset + 85] + (rom[offset + 86] * 256);
tabs.InitFunctionTablePtr = rom[offset + 87] + (rom[offset + 88] * 256);
LOG(8,("INFO: PINS 5.16 and later cmdlist pointer: $%04x\n", tabs.InitScriptTablePtr));
@ -878,7 +880,7 @@ static status_t exec_type2_script(uint8* rom, uint16 adress, int16* size, PinsTa
status_t result = B_OK;
bool end = false;
bool exec = true;
uint8 index, byte, byte2, safe;
uint8 index, byte, byte2, safe, shift;
uint32 reg, reg2, data, data2, and_out, and_out2, or_in, safe32, offset32, size32;
LOG(8,("\nINFO: executing type2 script at adress $%04x...\n", adress));
@ -1001,6 +1003,53 @@ static status_t exec_type2_script(uint8* rom, uint16 adress, int16* size, PinsTa
else
LOG(8,("INFO: ---Not executing following command(s):'\n"));
break;
case 0x39: /* new */
*size -= 2;
if (*size < 0)
{
LOG(8,("script size error, aborting!\n\n"));
end = true;
result = B_ERROR;
break;
}
/* execute */
adress += 1;
data = *((uint8*)(&(rom[adress])));
adress += 1;
data *= 9;
data += tabs.IOFlagConditionTablePtr;
reg = *((uint16*)(&(rom[data])));
index = *((uint8*)(&(rom[(data + 2)])));
and_out = *((uint8*)(&(rom[(data + 3)])));
shift = *((uint8*)(&(rom[(data + 4)])));
offset32 = *((uint16*)(&(rom[data + 5])));
and_out2 = *((uint8*)(&(rom[(data + 7)])));
byte2 = *((uint8*)(&(rom[(data + 8)])));
safe = ISARB(reg);
ISAWB(reg, index);
byte = ISARB(reg + 1);
ISAWB(reg, safe);
byte &= (uint8)and_out;
offset32 += (byte >> shift);
safe = byte = *((uint8*)(&(rom[offset32])));
byte &= (uint8)and_out2;
LOG(8,("cmd 'AND-out bits $%02x idx ISA reg $%02x via $%04x, shift-right = $%02x,\n",
and_out, index, reg, shift));
LOG(8,("INFO: (cont.) use result as index in table to get data $%02x,\n",
safe));
LOG(8,("INFO: (cont.) then chk bits AND-out $%02x for $%02x'\n",
and_out2, byte2));
if (byte != byte2)
{
LOG(8,("INFO: ---No match: not executing following command(s):\n"));
exec = false;
}
else
{
LOG(8,("INFO: ---Match, so this cmd has no effect.\n"));
}
break;
case 0x62: /* new */
*size -= 5;
if (*size < 0)