Move aml_pci_edsm to pci-bridge.c since we want to reuse that for ARM and acpi-index support.
Signed-off-by: Eric Auger <eric.au...@redhat.com> --- v2 -> v3: - move to pci-bridge.c instead of pcihp.c (Igor) --- include/hw/acpi/pci.h | 1 + hw/acpi/pci-bridge.c | 54 +++++++++++++++++++++++++++++++++++++++++++ hw/i386/acpi-build.c | 53 ------------------------------------------ 3 files changed, 55 insertions(+), 53 deletions(-) diff --git a/include/hw/acpi/pci.h b/include/hw/acpi/pci.h index 69bae95eac..05e72815c8 100644 --- a/include/hw/acpi/pci.h +++ b/include/hw/acpi/pci.h @@ -42,5 +42,6 @@ void build_pci_bridge_aml(AcpiDevAmlIf *adev, Aml *scope); void build_srat_generic_affinity_structures(GArray *table_data); Aml *build_pci_host_bridge_osc_method(bool enable_native_pcie_hotplug); +Aml *aml_pci_edsm(void); #endif diff --git a/hw/acpi/pci-bridge.c b/hw/acpi/pci-bridge.c index 7baa7034a1..be68a98c34 100644 --- a/hw/acpi/pci-bridge.c +++ b/hw/acpi/pci-bridge.c @@ -35,3 +35,57 @@ void build_pci_bridge_aml(AcpiDevAmlIf *adev, Aml *scope) } } } + +Aml *aml_pci_edsm(void) +{ + Aml *method, *ifctx; + Aml *zero = aml_int(0); + Aml *func = aml_arg(2); + Aml *ret = aml_local(0); + Aml *aidx = aml_local(1); + Aml *params = aml_arg(4); + + method = aml_method("EDSM", 5, AML_SERIALIZED); + + /* get supported functions */ + ifctx = aml_if(aml_equal(func, zero)); + { + /* 1: have supported functions */ + /* 7: support for function 7 */ + const uint8_t caps = 1 | BIT(7); + build_append_pci_dsm_func0_common(ifctx, ret); + aml_append(ifctx, aml_store(aml_int(caps), aml_index(ret, zero))); + aml_append(ifctx, aml_return(ret)); + } + aml_append(method, ifctx); + + /* handle specific functions requests */ + /* + * PCI Firmware Specification 3.1 + * 4.6.7. _DSM for Naming a PCI or PCI Express Device Under + * Operating Systems + */ + ifctx = aml_if(aml_equal(func, aml_int(7))); + { + Aml *pkg = aml_package(2); + aml_append(pkg, zero); + /* optional, if not impl. should return null string */ + aml_append(pkg, aml_string("%s", "")); + aml_append(ifctx, aml_store(pkg, ret)); + + /* + * IASL is fine when initializing Package with computational data, + * however it makes guest unhappy /it fails to process such AML/. + * So use runtime assignment to set acpi-index after initializer + * to make OSPM happy. + */ + aml_append(ifctx, + aml_store(aml_derefof(aml_index(params, aml_int(0))), aidx)); + aml_append(ifctx, aml_store(aidx, aml_index(ret, zero))); + aml_append(ifctx, aml_return(ret)); + } + aml_append(method, ifctx); + + return method; +} + diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index fe8bc62c03..6cf623392e 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -338,59 +338,6 @@ build_facs(GArray *table_data) g_array_append_vals(table_data, reserved, 40); /* Reserved */ } -static Aml *aml_pci_edsm(void) -{ - Aml *method, *ifctx; - Aml *zero = aml_int(0); - Aml *func = aml_arg(2); - Aml *ret = aml_local(0); - Aml *aidx = aml_local(1); - Aml *params = aml_arg(4); - - method = aml_method("EDSM", 5, AML_SERIALIZED); - - /* get supported functions */ - ifctx = aml_if(aml_equal(func, zero)); - { - /* 1: have supported functions */ - /* 7: support for function 7 */ - const uint8_t caps = 1 | BIT(7); - build_append_pci_dsm_func0_common(ifctx, ret); - aml_append(ifctx, aml_store(aml_int(caps), aml_index(ret, zero))); - aml_append(ifctx, aml_return(ret)); - } - aml_append(method, ifctx); - - /* handle specific functions requests */ - /* - * PCI Firmware Specification 3.1 - * 4.6.7. _DSM for Naming a PCI or PCI Express Device Under - * Operating Systems - */ - ifctx = aml_if(aml_equal(func, aml_int(7))); - { - Aml *pkg = aml_package(2); - aml_append(pkg, zero); - /* optional, if not impl. should return null string */ - aml_append(pkg, aml_string("%s", "")); - aml_append(ifctx, aml_store(pkg, ret)); - - /* - * IASL is fine when initializing Package with computational data, - * however it makes guest unhappy /it fails to process such AML/. - * So use runtime assignment to set acpi-index after initializer - * to make OSPM happy. - */ - aml_append(ifctx, - aml_store(aml_derefof(aml_index(params, aml_int(0))), aidx)); - aml_append(ifctx, aml_store(aidx, aml_index(ret, zero))); - aml_append(ifctx, aml_return(ret)); - } - aml_append(method, ifctx); - - return method; -} - /* * build_prt - Define interrupt routing rules * -- 2.49.0