| ␊ |
| uint8_t␉acpi_cpu_count = 0;␊ |
| char* acpi_cpu_name[32];␊ |
| uint32_t acpi_cpu_p_blk = 0;␊ |
| ␊ |
| void get_acpi_cpu_names(unsigned char* dsdt, uint32_t length)␊ |
| {␊ |
|
| ␉␉␉␉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]);␊ |
| ␉␉␉␉␊ |
|
| ␉␉0x31, 0x03, 0x10, 0x20 ␉␉␉␉␉␉␉/* 1.._␉␉*/␊ |
| ␉};␊ |
| ␉␊ |
| ␉char cstate_resource_template[] = ␊ |
| ␉char resource_template_register_fixedhw[] = ␊ |
| ␉{␊ |
| ␉␉0x11, 0x14, 0x0A, 0x11, 0x82, 0x0C, 0x00, 0x7F, ␊ |
| ␉␉0x01, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, ␊ |
| ␉␉0x00, 0x00, 0x00, 0x79, 0x00␊ |
| ␉};␊ |
| ␊ |
| 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, ␉␊ |
| };␊ |
| ␊ |
| ␉if (Platform.CPU.Vendor != 0x756E6547) {␊ |
| ␉␉verbose ("Not an Intel platform: C-States will not be generated !!!\n");␊ |
|
| ␉␉bool c2_enabled = false;␊ |
| ␉␉bool c3_enabled = false;␊ |
| ␉␉bool c4_enabled = false;␊ |
| bool cst_using_sustemio = false;␊ |
| ␉␉␊ |
| ␉␉getBoolForKey(kEnableC2States, &c2_enabled, &bootInfo->chameleonConfig);␊ |
| ␉␉getBoolForKey(kEnableC3States, &c3_enabled, &bootInfo->chameleonConfig);␊ |
| ␉␉getBoolForKey(kEnableC4States, &c4_enabled, &bootInfo->chameleonConfig);␊ |
| getBoolForKey(kCSTUsingSystemIO, &cst_using_sustemio, &bootInfo->chameleonConfig);␊ |
| ␉␉␊ |
| ␉␉c2_enabled = c2_enabled | (fadt->C2_Latency < 100);␊ |
| ␉␉c3_enabled = c3_enabled | (fadt->C3_Latency < 1000);␊ |
|
| ␉␉␉␉␉␉aml_add_byte(pack, cstates_count);␊ |
| ␉␉␊ |
| ␉␉␉␉␉␉struct aml_chunk* tmpl = aml_add_package(pack);␊ |
| ␉␉␉␉␉␉␉cstate_resource_template[11] = 0x00; // C1␊ |
| ␉␉␉␉␉␉␉aml_add_buffer(tmpl, cstate_resource_template, sizeof(cstate_resource_template));␊ |
| ␉␉␉␉␉␉␉aml_add_byte(tmpl, 0x01); // C1␊ |
| ␉␉␉␉␉␉␉aml_add_byte(tmpl, 0x01); // Latency␊ |
| ␉␉␉␉␉␉␉aml_add_word(tmpl, 0x03e8); // Power␊ |
| if (cst_using_sustemio) {␊ |
| resource_template_register_fixedhw[8] = 0x00; ␊ |
| resource_template_register_fixedhw[9] = 0x00; ␊ |
| resource_template_register_fixedhw[10] = 0x00; ␊ |
| 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_byte(tmpl, 0x20); // Latency␊ |
| aml_add_word(tmpl, 0x03e8); // Power␊ |
| ␊ |
| uint8_t p_blk_lo = acpi_cpu_p_blk + 4;␊ |
| uint8_t p_blk_hi = (acpi_cpu_p_blk + 4) >> 8;␊ |
| ␊ |
| // C2␊ |
| if (c2_enabled) ␊ |
| { ␊ |
| 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_byte(tmpl, 0x60); // Latency␊ |
| aml_add_word(tmpl, 0x01f4); // Power␊ |
| }␊ |
| ␊ |
| p_blk_lo = acpi_cpu_p_blk + 5;␊ |
| p_blk_hi = (acpi_cpu_p_blk + 5) >> 8;␊ |
| ␊ |
| // C4␊ |
| if (c4_enabled) ␊ |
| {␊ |
| 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, 0x0A); // Latency␊ |
| aml_add_byte(tmpl, 0xC8); // Power␊ |
| }␊ |
| else␊ |
| // C3␊ |
| if (c3_enabled) ␊ |
| {␊ |
| 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, 0x80); // Latency␊ |
| aml_add_word(tmpl, 0x015e); // Power␊ |
| }␊ |
| ␊ |
| ␉␉␉␉␉␉// C2␊ |
| ␉␉␉␉␉␉if (c2_enabled) ␊ |
| ␉␉␉␉␉␉{␊ |
| ␉␉␉␉␉␉␉tmpl = aml_add_package(pack);␊ |
| ␉␉␉␉␉␉␉␉cstate_resource_template[11] = 0x10; // C2␊ |
| ␉␉␉␉␉␉␉␉aml_add_buffer(tmpl, cstate_resource_template, sizeof(cstate_resource_template));␊ |
| ␉␉␉␉␉␉␉␉aml_add_byte(tmpl, 0x02); // C2␊ |
| ␉␉␉␉␉␉␉␉aml_add_byte(tmpl, fadt->C2_Latency);␊ |
| ␉␉␉␉␉␉␉␉aml_add_word(tmpl, 0x01f4); // Power␊ |
| ␉␉␉␉␉␉}␊ |
| ␉␉␉␉␉␉// C4␊ |
| ␉␉␉␉␉␉if (c4_enabled) ␊ |
| ␉␉␉␉␉␉{␊ |
| ␉␉␉␉␉␉␉tmpl = aml_add_package(pack);␊ |
| ␉␉␉␉␉␉␉cstate_resource_template[11] = 0x30; // C4␊ |
| ␉␉␉␉␉␉␉aml_add_buffer(tmpl, cstate_resource_template, sizeof(cstate_resource_template));␊ |
| ␉␉␉␉␉␉␉aml_add_byte(tmpl, 0x04); // C4␊ |
| ␉␉␉␉␉␉␉aml_add_word(tmpl, fadt->C3_Latency / 2); // TODO: right latency for C4␊ |
| ␉␉␉␉␉␉␉aml_add_byte(tmpl, 0xfa); // Power␊ |
| ␉␉␉␉␉␉}␊ |
| ␉␉␉␉␉␉else␊ |
| ␉␉␉␉␉␉// C3␊ |
| ␉␉␉␉␉␉if (c3_enabled) ␊ |
| ␉␉␉␉␉␉{␊ |
| ␉␉␉␉␉␉␉tmpl = aml_add_package(pack);␊ |
| ␉␉␉␉␉␉␉cstate_resource_template[11] = 0x20; // C3␊ |
| ␉␉␉␉␉␉␉aml_add_buffer(tmpl, cstate_resource_template, sizeof(cstate_resource_template));␊ |
| ␉␉␉␉␉␉␉aml_add_byte(tmpl, 0x03); // C3␊ |
| ␉␉␉␉␉␉␉aml_add_word(tmpl, fadt->C3_Latency);␊ |
| ␉␉␉␉␉␉␉aml_add_word(tmpl, 0x015e); // Power␊ |
| ␉␉␉␉␉␉}␊ |
| ␉␉␉␉␉␉␊ |
| }␊ |
| else {␊ |
| 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_byte(tmpl, 0x01); // Latency␊ |
| aml_add_word(tmpl, 0x03e8); // Power␊ |
| ␊ |
| // C2␊ |
| if (c2_enabled) ␊ |
| {␊ |
| 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_byte(tmpl, fadt->C2_Latency);␊ |
| aml_add_word(tmpl, 0x01f4); // Power␊ |
| }␊ |
| // C4␊ |
| if (c4_enabled) ␊ |
| {␊ |
| 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, 0x11); // TODO: right latency for C4␊ |
| aml_add_byte(tmpl, 0xfa); // Power␊ |
| }␊ |
| else␊ |
| // C3␊ |
| 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, fadt->C3_Latency);␊ |
| aml_add_word(tmpl, 0x015e); // Power␊ |
| }␊ |
| }␊ |
| ␉␉␉␉␉␉␉␉␉␉␉␉␉␊ |
| ␉␉␉␊ |
| ␉␉␉// Aliaces␊ |
| ␉␉␉int i;␊ |
