void find_acpi_cpu_names(unsigned char* dsdt, int length)
{
int i;
for (i=0; i<length-7; i++)
{
if (dsdt[i] == 0x5B && dsdt[i+1] == 0x83) // ProcessorOP
{
uint8_t offset = i+2+(dsdt[i+2] >> 6) + 1, j;
bool add_name = true;
for (j=0; j<4; j++)
{
char c = dsdt[offset+j];
if (!aml_isvalidchar(c))
{
add_name = false;
verbose("Invalid characters found in ProcessorOP!\n");
break;
}
}
if (add_name && dsdt[offset+5] < 32 )
{
acpi_cpu_name[acpi_cpu_count] = malloc(5);
memcpy(acpi_cpu_name[acpi_cpu_count], dsdt+offset, 4);
verbose("Found %c%c%c%c (from DSDT)\n", acpi_cpu_name[acpi_cpu_count][0], acpi_cpu_name[acpi_cpu_count][1], acpi_cpu_name[acpi_cpu_count][2], acpi_cpu_name[acpi_cpu_count][3]);
if (++acpi_cpu_count == 32) return;
}
}
}
void get_acpi_cpu_names(unsigned char* dsdt, uint32_t length)
{
uint32_t i;
// DBG("start finding cpu names. length %d\n", length);
for (i=0; i<length-7; i++)
{
if (dsdt[i] == 0x5B && dsdt[i+1] == 0x83) // ProcessorOP
{
// DBG("dsdt: %x%x\n", dsdt[i], dsdt[i+1]);
uint32_t offset = i + 3 + (dsdt[i+2] >> 6);
bool add_name = true;
uint8_t j;
for (j=0; j<4; j++)
{
char c = dsdt[offset+j];
if( c == '\\')
{
offset = i + 8 + (dsdt[i+7] >> 6);
c = dsdt[offset+j];
}
if (!aml_isvalidchar(c))
{
add_name = false;
verbose("Invalid character found in ProcessorOP 0x%x!\n", c);
break;
}
}
if (add_name)
{
acpi_cpu_name[acpi_cpu_count] = malloc(4);
memcpy(acpi_cpu_name[acpi_cpu_count], dsdt+offset, 4);
i = offset + 5;
if (acpi_cpu_count == 0)
{
verbose("Found ACPI CPU: %c%c%c%c\n", acpi_cpu_name[acpi_cpu_count]);
} else {
verbose("And %c%c%c%c\n", acpi_cpu_name[acpi_cpu_count]);
}
if (++acpi_cpu_count == 32)
break;
}
}
int aml_fill_simple_name(char* buffer, const char* name)
{
int i, len = strlen(name), count = 0;
for (i = 0; i < 4; i++)
{
if (i < len && aml_isvalidchar(name[i]))
{
buffer[count++] = name[i];
}
else
{
buffer[3-i] = '_';
}
}
return 4;
}
void get_acpi_cpu_names(unsigned char* dsdt, uint32_t length)
{
uint32_t i;
for (i=0; i<length-7; i++)
{
if (dsdt[i] == 0x5B && dsdt[i+1] == 0x83) // ProcessorOP
{
uint32_t offset = i + 3 + (dsdt[i+2] >> 6);
bool add_name = true;
uint8_t j;
for (j=0; j<4; j++)
{
char c = dsdt[offset+j];
if (!aml_isvalidchar(c))
{
add_name = false;
verbose("Invalid character found in ProcessorOP 0x%x!\n", c);
break;
}
}
if (add_name)
{
acpi_cpu_name[acpi_cpu_count] = malloc(4);
memcpy(acpi_cpu_name[acpi_cpu_count], dsdt+offset, 4);
i = offset + 5;
if (acpi_cpu_count == 0)
acpi_cpu_p_blk = dsdt[i] | (dsdt[i+1] << 8);
verbose("Found ACPI CPU: %c%c%c%c\n", acpi_cpu_name[acpi_cpu_count][0], acpi_cpu_name[acpi_cpu_count][1], acpi_cpu_name[acpi_cpu_count][2], acpi_cpu_name[acpi_cpu_count][3]);
if (++acpi_cpu_count == 32) return;
}
}
}
int aml_get_names_count(const char* name)
{
int i, len = strlen(name), count = 0;
for (i = 0; i < len; i++)
{
if (name[i] == '.')
{
count++;
}
else if (!aml_isvalidchar(name[i]))
{
len = i;
break;
}
}
if (count == 0 && len > 0)
count++;
return count;
}
int aml_fill_name(struct aml_chunk* node, const char* name)
{
if (!node)
return -1;
int i, len = strlen(name), count = 0;
for (i = 0; i < len; i++)
{
if (name[i] == '.')
{
count++;
}
else if (!aml_isvalidchar(name[i]))
{
len = i;
break;
}
}
if (count == 0 && len > 0)
count++;
int offset = 0;
if (count == 1)
{
node->Length = 4;
node->Buffer = malloc(node->Length);
aml_fill_simple_name(node->Buffer, name);
return node->Length;
}
if (count == 2)
{
node->Length = 2 + 8;
node->Buffer = malloc(node->Length);
node->Buffer[offset++] = '\\'; // Root
node->Buffer[offset++] = 0x2e; // Double name
}
else
{
node->Length = 3 + count*4;
node->Buffer[offset++] = '\\'; // Root
node->Buffer[offset++] = 0x2f; // Multi name
node->Buffer[offset++] = count; // Names count
}
int j = 0;
for (i = 0; i < count; i++)
{
while (name[j] != '.')
{
if (j < len)
{
j++;
}
else
{
verbose("aml_fill_name: unexpected end of names path!");
return -1;
}
}
offset += aml_fill_simple_name(node->Buffer + offset, name + j);
}
return offset;
}
