Aren/haiku
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

added another type2 script cmd, tested.

Browse Source 
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9013 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Rudolf Cornelissen 2004-09-20 12:53:55 +00:00
parent 06b050d543
commit 1b4462d2a6
1 changed files with 50 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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

@ -871,7 +871,7 @@ static status_t exec_type2_script(uint8* rom, uint16 adress, int16* size, PinsTa
bool end = false;
bool exec = true;
uint8 index, byte, byte2, safe;
uint32 reg, data, data2, and_out, or_in, safe32;
uint32 reg, reg2, data, data2, and_out, and_out2, or_in, safe32;
LOG(8,("\nINFO: executing type2 script at adress $%04x...\n", adress));
@ -882,6 +882,55 @@ static status_t exec_type2_script(uint8* rom, uint16 adress, int16* size, PinsTa
//fixme: complete (if possible) ...
switch (rom[adress])
{
case 0x37: /* new */
*size -= 11;
if (*size < 0)
{
LOG(8,("script size error, aborting!\n\n"));
end = true;
result = B_ERROR;
break;
}
/* execute */
adress += 1;
reg = *((uint32*)(&(rom[adress])));
adress += 4;
byte2 = *((uint8*)(&(rom[adress])));
adress += 1;
and_out = *((uint8*)(&(rom[adress])));
adress += 1;
reg2 = *((uint16*)(&(rom[adress])));
adress += 2;
index = *((uint8*)(&(rom[adress])));
adress += 1;
and_out2 = *((uint8*)(&(rom[adress])));
adress += 1;
LOG(8,("cmd 'RD 32bit reg $%08x, rotate-right = $%02x, AND-out lsb = $%02x,\n",
reg, byte2, and_out));
LOG(8,("INFO: (cont.) RD 8bit ISA reg $%02x via $%04x, AND-out = $%02x, OR-in lsb result 32bit, WR-bk'\n",
index, reg2, and_out2));
if (exec)
{
data = NV_REG32(reg);
if (byte2 < 0x80)
{
data >>= byte2;
}
else
{
data <<= (0x0100 - byte2);
}
data &= and_out;
safe = ISARB(reg2);
ISAWB(reg2, index);
byte = ISARB(reg2 + 1);
byte &= (uint8)and_out2;
byte |= (uint8)data;
ISAWB((reg2 + 1), byte);
ISAWB(reg2, safe);
}
break;
case 0x38: /* new */
*size -= 1;
if (*size < 0)