From d6caf3631cf561f814aa449bbf9bcb03b86acd2f Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Thu, 20 Dec 2018 16:02:55 +0100 Subject: hw: acpi: Remove AcpiRsdpDescriptor and fix tests The only remaining AcpiRsdpDescriptor users are the ACPI utils for the BIOS table tests. We remove that dependency and can thus remove the structure itself. Signed-off-by: Samuel Ortiz Reviewed-by: Igor Mammedov Reviewed-by: Andrew Jones Signed-off-by: Igor Mammedov Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- tests/acpi-utils.c | 49 +++++++++++++++++++++++++++++++++++++++---------- 1 file changed, 39 insertions(+), 10 deletions(-) (limited to 'tests/acpi-utils.c') diff --git a/tests/acpi-utils.c b/tests/acpi-utils.c index 7b444a7453..17abcc43a4 100644 --- a/tests/acpi-utils.c +++ b/tests/acpi-utils.c @@ -51,15 +51,44 @@ uint32_t acpi_find_rsdp_address(QTestState *qts) return off; } -void acpi_parse_rsdp_table(QTestState *qts, uint32_t addr, - AcpiRsdpDescriptor *rsdp_table) +uint32_t acpi_get_rsdt_address(uint8_t *rsdp_table) { - ACPI_READ_FIELD(qts, rsdp_table->signature, addr); - ACPI_ASSERT_CMP64(rsdp_table->signature, "RSD PTR "); - - ACPI_READ_FIELD(qts, rsdp_table->checksum, addr); - ACPI_READ_ARRAY(qts, rsdp_table->oem_id, addr); - ACPI_READ_FIELD(qts, rsdp_table->revision, addr); - ACPI_READ_FIELD(qts, rsdp_table->rsdt_physical_address, addr); - ACPI_READ_FIELD(qts, rsdp_table->length, addr); + uint32_t rsdt_physical_address; + + memcpy(&rsdt_physical_address, &rsdp_table[16 /* RsdtAddress offset */], 4); + return le32_to_cpu(rsdt_physical_address); +} + +uint64_t acpi_get_xsdt_address(uint8_t *rsdp_table) +{ + uint64_t xsdt_physical_address; + uint8_t revision = rsdp_table[15 /* Revision offset */]; + + /* We must have revision 2 if we're looking for an XSDT pointer */ + g_assert(revision == 2); + + memcpy(&xsdt_physical_address, &rsdp_table[24 /* XsdtAddress offset */], 8); + return le64_to_cpu(xsdt_physical_address); +} + +void acpi_parse_rsdp_table(QTestState *qts, uint32_t addr, uint8_t *rsdp_table) +{ + uint8_t revision; + + /* Read mandatory revision 0 table data (20 bytes) first */ + qtest_memread(qts, addr, rsdp_table, 20); + revision = rsdp_table[15 /* Revision offset */]; + + switch (revision) { + case 0: /* ACPI 1.0 RSDP */ + break; + case 2: /* ACPI 2.0+ RSDP */ + /* Read the rest of the RSDP table */ + qtest_memread(qts, addr + 20, rsdp_table + 20, 16); + break; + default: + g_assert_not_reached(); + } + + ACPI_ASSERT_CMP64(*((uint64_t *)(rsdp_table)), "RSD PTR "); } -- cgit v1.2.3-55-g7522