Chameleon

Chameleon Commit Details

Date:2011-08-14 06:05:40 (8 years 3 months ago)
Author:Azimutz
Commit:1364
Parents: 1363
Message:Revert and fix.
Changes:
M/trunk/i386/libsaio/acpi_patcher.c

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trunk/i386/libsaio/acpi_patcher.c
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}
return NULL;
}
/* The folowing ACPI Table search algo. should be reused anywhere needed:*/
/** The folowing ACPI Table search algo. should be reused anywhere needed:*/
int search_and_get_acpi_fd(const char * filename, const char ** outDirspec)
{
int fd = 0;
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);
0x01, 0x17, 0x50, 0x6D, 0x52, 0x65, 0x66, 0x41, /* ..PmRefA */
0x43, 0x70, 0x75, 0x43, 0x73, 0x74, 0x00, 0x00, /* CpuCst.. */
0x00, 0x10, 0x00, 0x00, 0x49, 0x4E, 0x54, 0x4C, /* ....INTL */
0x31, 0x03, 0x10, 0x20 /* 1.._*/
0x31, 0x03, 0x10, 0x20/* 1.._*/
};
char resource_template_register_fixedhw[] =
char resource_template_register_fixedhw[] =
{
0x11, 0x14, 0x0A, 0x11, 0x82, 0x0C, 0x00, 0x7F,
0x01, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x11, 0x14, 0x0A, 0x11, 0x82, 0x0C, 0x00, 0x7F,
0x01, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x01, 0x79, 0x00
};
char resource_template_register_systemio[] =
char resource_template_register_systemio[] =
{
0x11, 0x14, 0x0A, 0x11, 0x82, 0x0C, 0x00, 0x01,
0x08, 0x00, 0x00, 0x15, 0x04, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x79, 0x00,
};
0x08, 0x00, 0x00, 0x15, 0x04, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x79, 0x00,
};
if (Platform.CPU.Vendor != 0x756E6547) {
verbose ("Not an Intel platform: C-States will not be generated !!!\n");
return NULL;
return NULL;
}
if (acpi_cpu_count == 0)
if (acpi_cpu_count == 0)
get_acpi_cpu_names((void*)dsdt, dsdt->Length);
if (acpi_cpu_count > 0)
if (acpi_cpu_count > 0)
{
bool c2_enabled = false;
bool c3_enabled = false;
bool c4_enabled = false;
bool cst_using_sustemio = false;
bool cst_using_systemio = false;
getBoolForKey(kEnableC2State, &c2_enabled, &bootInfo->chameleonConfig);
getBoolForKey(kEnableC3State, &c3_enabled, &bootInfo->chameleonConfig);
getBoolForKey(kEnableC4State, &c4_enabled, &bootInfo->chameleonConfig);
getBoolForKey(kCSTUsingSystemIO, &cst_using_sustemio, &bootInfo->chameleonConfig);
getBoolForKey(kCSTUsingSystemIO, &cst_using_systemio, &bootInfo->chameleonConfig);
c2_enabled = c2_enabled | (fadt->C2_Latency < 100);
c3_enabled = c3_enabled | (fadt->C3_Latency < 1000);
unsigned char cstates_count = 1 + (c2_enabled ? 1 : 0) + (c3_enabled ? 1 : 0);
struct aml_chunk* root = aml_create_node(NULL);
aml_add_buffer(root, ssdt_header, sizeof(ssdt_header)); // SSDT header
struct aml_chunk* scop = aml_add_scope(root, "\\_PR_");
struct aml_chunk* name = aml_add_name(scop, "CST_");
struct aml_chunk* pack = aml_add_package(name);
aml_add_byte(pack, cstates_count);
aml_add_buffer(root, ssdt_header, sizeof(ssdt_header)); // SSDT header
struct aml_chunk* scop = aml_add_scope(root, "\\_PR_");
struct aml_chunk* name = aml_add_name(scop, "CST_");
struct aml_chunk* pack = aml_add_package(name);
aml_add_byte(pack, cstates_count);
struct aml_chunk* tmpl = aml_add_package(pack);
if (cst_using_sustemio)
{
// C1
resource_template_register_fixedhw[8] = 0x00;
resource_template_register_fixedhw[9] = 0x00;
resource_template_register_fixedhw[18] = 0x00;
aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));
aml_add_byte(tmpl, 0x01); // C1
aml_add_word(tmpl, 0x0001); // Latency
aml_add_dword(tmpl, 0x000003e8); // Power
uint8_t p_blk_lo, p_blk_hi;
if (c2_enabled) // C2
{
p_blk_lo = acpi_cpu_p_blk + 4;
p_blk_hi = (acpi_cpu_p_blk + 4) >> 8;
tmpl = aml_add_package(pack);
resource_template_register_systemio[11] = p_blk_lo; // C2
resource_template_register_systemio[12] = p_blk_hi; // C2
aml_add_buffer(tmpl, resource_template_register_systemio, sizeof(resource_template_register_systemio));
aml_add_byte(tmpl, 0x02); // C2
aml_add_word(tmpl, 0x0040); // Latency
aml_add_dword(tmpl, 0x000001f4); // Power
}
if (c4_enabled) // C4
{
p_blk_lo = acpi_cpu_p_blk + 5;
p_blk_hi = (acpi_cpu_p_blk + 5) >> 8;
tmpl = aml_add_package(pack);
resource_template_register_systemio[11] = p_blk_lo; // C4
resource_template_register_systemio[12] = p_blk_hi; // C4
aml_add_buffer(tmpl, resource_template_register_systemio, sizeof(resource_template_register_systemio));
aml_add_byte(tmpl, 0x04); // C4
aml_add_word(tmpl, 0x0080); // Latency
aml_add_dword(tmpl, 0x000000C8); // Power
}
else if (c3_enabled) // C3
{
p_blk_lo = acpi_cpu_p_blk + 5;
p_blk_hi = (acpi_cpu_p_blk + 5) >> 8;
tmpl = aml_add_package(pack);
resource_template_register_systemio[11] = p_blk_lo; // C3
resource_template_register_systemio[12] = p_blk_hi; // C3
aml_add_buffer(tmpl, resource_template_register_systemio, sizeof(resource_template_register_systemio));
aml_add_byte(tmpl, 0x03); // C3
aml_add_word(tmpl, 0x0060); // Latency
aml_add_dword(tmpl, 0x0000015e); // Power
}
}
else
{
// C1
resource_template_register_fixedhw[11] = 0x00; // C1
aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));
aml_add_byte(tmpl, 0x01); // C1
aml_add_word(tmpl, 0x0001); // Latency
aml_add_dword(tmpl, 0x000003e8); // Power
resource_template_register_fixedhw[18] = 0x03;
if (c2_enabled) // C2
{
tmpl = aml_add_package(pack);
resource_template_register_fixedhw[11] = 0x10; // C2
aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));
aml_add_byte(tmpl, 0x02); // C2
aml_add_word(tmpl, 0x0040); // Latency
aml_add_dword(tmpl, 0x000001f4); // Power
}
if (c4_enabled) // C4
{
tmpl = aml_add_package(pack);
resource_template_register_fixedhw[11] = 0x30; // C4
aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));
aml_add_byte(tmpl, 0x04); // C4
aml_add_word(tmpl, 0x0080); // Latency
aml_add_dword(tmpl, 0x000000C8); // Power
}
else if (c3_enabled)
{
tmpl = aml_add_package(pack);
resource_template_register_fixedhw[11] = 0x20; // C3
aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));
aml_add_byte(tmpl, 0x03); // C3
aml_add_word(tmpl, 0x0060); // Latency
aml_add_dword(tmpl, 0x0000015e); // Power
}
}
struct aml_chunk* tmpl = aml_add_package(pack);
if (cst_using_systemio)
{
// C1
resource_template_register_fixedhw[8] = 0x00;
resource_template_register_fixedhw[9] = 0x00;
resource_template_register_fixedhw[18] = 0x00;
aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));
aml_add_byte(tmpl, 0x01); // C1
aml_add_word(tmpl, 0x0001); // Latency
aml_add_dword(tmpl, 0x000003e8); // Power
// Aliaces
int i;
for (i = 0; i < acpi_cpu_count; i++)
uint8_t p_blk_lo, p_blk_hi;
if (c2_enabled) // C2
{
char name[9];
sprintf(name, "_PR_%c%c%c%c", acpi_cpu_name[i][0], acpi_cpu_name[i][1], acpi_cpu_name[i][2], acpi_cpu_name[i][3]);
p_blk_lo = acpi_cpu_p_blk + 4;
p_blk_hi = (acpi_cpu_p_blk + 4) >> 8;
scop = aml_add_scope(root, name);
aml_add_alias(scop, "CST_", "_CST");
tmpl = aml_add_package(pack);
resource_template_register_systemio[11] = p_blk_lo; // C2
resource_template_register_systemio[12] = p_blk_hi; // C2
aml_add_buffer(tmpl, resource_template_register_systemio, sizeof(resource_template_register_systemio));
aml_add_byte(tmpl, 0x02); // C2
aml_add_word(tmpl, 0x0040); // Latency
aml_add_dword(tmpl, 0x000001f4); // Power
}
if (c4_enabled) // C4
{
p_blk_lo = acpi_cpu_p_blk + 5;
p_blk_hi = (acpi_cpu_p_blk + 5) >> 8;
tmpl = aml_add_package(pack);
resource_template_register_systemio[11] = p_blk_lo; // C4
resource_template_register_systemio[12] = p_blk_hi; // C4
aml_add_buffer(tmpl, resource_template_register_systemio, sizeof(resource_template_register_systemio));
aml_add_byte(tmpl, 0x04); // C4
aml_add_word(tmpl, 0x0080); // Latency
aml_add_dword(tmpl, 0x000000C8); // Power
}
else if (c3_enabled) // C3
{
p_blk_lo = acpi_cpu_p_blk + 5;
p_blk_hi = (acpi_cpu_p_blk + 5) >> 8;
tmpl = aml_add_package(pack);
resource_template_register_systemio[11] = p_blk_lo; // C3
resource_template_register_systemio[12] = p_blk_hi; // C3
aml_add_buffer(tmpl, resource_template_register_systemio, sizeof(resource_template_register_systemio));
aml_add_byte(tmpl, 0x03);// C3
aml_add_word(tmpl, 0x0060);// Latency
aml_add_dword(tmpl, 0x0000015e);// Power
}
}
else
{
// C1
resource_template_register_fixedhw[11] = 0x00; // C1
aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));
aml_add_byte(tmpl, 0x01);// C1
aml_add_word(tmpl, 0x0001);// Latency
aml_add_dword(tmpl, 0x000003e8);// Power
resource_template_register_fixedhw[18] = 0x03;
if (c2_enabled) // C2
{
tmpl = aml_add_package(pack);
resource_template_register_fixedhw[11] = 0x10; // C2
aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));
aml_add_byte(tmpl, 0x02);// C2
aml_add_word(tmpl, 0x0040);// Latency
aml_add_dword(tmpl, 0x000001f4);// Power
}
if (c4_enabled) // C4
{
tmpl = aml_add_package(pack);
resource_template_register_fixedhw[11] = 0x30; // C4
aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));
aml_add_byte(tmpl, 0x04);// C4
aml_add_word(tmpl, 0x0080);// Latency
aml_add_dword(tmpl, 0x000000C8);// Power
}
else if (c3_enabled)
{
tmpl = aml_add_package(pack);
resource_template_register_fixedhw[11] = 0x20; // C3
aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));
aml_add_byte(tmpl, 0x03);// C3
aml_add_word(tmpl, 0x0060);// Latency
aml_add_dword(tmpl, 0x0000015e);// Power
}
}
// Aliaces
int i;
for (i = 0; i < acpi_cpu_count; i++)
{
char name[9];
sprintf(name, "_PR_%c%c%c%c", acpi_cpu_name[i][0], acpi_cpu_name[i][1], acpi_cpu_name[i][2], acpi_cpu_name[i][3]);
scop = aml_add_scope(root, name);
aml_add_alias(scop, "CST_", "_CST");
}
aml_calculate_size(root);
struct acpi_2_ssdt *ssdt = (struct acpi_2_ssdt *)AllocateKernelMemory(root->Size);
aml_write_node(root, (void*)ssdt, 0);
ssdt->Length = root->Size;
aml_destroy_node(root);
//dumpPhysAddr("C-States SSDT content: ", ssdt, ssdt->Length);
verbose ("SSDT with CPU C-States generated successfully\n");
return ssdt;
}
else
else
{
verbose ("ACPI CPUs not found: C-States not generated !!!\n");
}
return NULL;
}

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Revision: 1364