From 22b5b8bf313fa7fa60d4201a882fd82e4bb5ba8a Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Mon, 28 Dec 2015 18:02:51 +0100 Subject: pc: acpi: q35: move PRTA routing table into SSDT Signed-off-by: Igor Mammedov Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/i386/acpi-build.c | 61 +++++++++++++++++++++++++++++++++++++++++++++++ hw/i386/q35-acpi-dsdt.dsl | 57 ------------------------------------------- 2 files changed, 61 insertions(+), 57 deletions(-) (limited to 'hw') diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 0c23c22..e64c662 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -1631,6 +1631,64 @@ static void build_piix4_pci0_int(Aml *table) aml_append(table, sb_scope); } +static void append_q35_prt_entry(Aml *ctx, uint32_t nr, const char *name) +{ + int i; + int head; + Aml *pkg; + char base = name[3] < 'E' ? 'A' : 'E'; + char *s = g_strdup(name); + Aml *a_nr = aml_int((nr << 16) | 0xffff); + + assert(strlen(s) == 4); + + head = name[3] - base; + for (i = 0; i < 4; i++) { + if (head + i > 3) { + head = i * -1; + } + s[3] = base + head + i; + pkg = aml_package(4); + aml_append(pkg, a_nr); + aml_append(pkg, aml_int(i)); + aml_append(pkg, aml_name("%s", s)); + aml_append(pkg, aml_int(0)); + aml_append(ctx, pkg); + } + g_free(s); +} + +static Aml *build_q35_routing_table(const char *str) +{ + int i; + Aml *pkg; + char *name = g_strdup_printf("%s ", str); + + pkg = aml_package(128); + for (i = 0; i < 0x18; i++) { + name[3] = 'E' + (i & 0x3); + append_q35_prt_entry(pkg, i, name); + } + + name[3] = 'E'; + append_q35_prt_entry(pkg, 0x18, name); + + /* INTA -> PIRQA for slot 25 - 31, see the default value of DIR */ + for (i = 0x0019; i < 0x1e; i++) { + name[3] = 'A'; + append_q35_prt_entry(pkg, i, name); + } + + /* PCIe->PCI bridge. use PIRQ[E-H] */ + name[3] = 'E'; + append_q35_prt_entry(pkg, 0x1e, name); + name[3] = 'A'; + append_q35_prt_entry(pkg, 0x1f, name); + + g_free(name); + return pkg; +} + static void build_q35_pci0_int(Aml *table) { Aml *field; @@ -1638,6 +1696,9 @@ static void build_q35_pci0_int(Aml *table) Aml *sb_scope = aml_scope("_SB"); Aml *pci0_scope = aml_scope("PCI0"); + aml_append(pci0_scope, + aml_name_decl("PRTA", build_q35_routing_table("GSI"))); + method = aml_method("_PRT", 0, AML_NOTSERIALIZED); { Aml *if_ctx; diff --git a/hw/i386/q35-acpi-dsdt.dsl b/hw/i386/q35-acpi-dsdt.dsl index f265583..a3073ad 100644 --- a/hw/i386/q35-acpi-dsdt.dsl +++ b/hw/i386/q35-acpi-dsdt.dsl @@ -181,63 +181,6 @@ DefinitionBlock ( prt_slot_lnkA(0x001f) }) - -#define prt_slot_gsi(nr, gsi0, gsi1, gsi2, gsi3) \ - Package() { nr##ffff, 0, gsi0, 0 }, \ - Package() { nr##ffff, 1, gsi1, 0 }, \ - Package() { nr##ffff, 2, gsi2, 0 }, \ - Package() { nr##ffff, 3, gsi3, 0 } - -#define prt_slot_gsiA(nr) prt_slot_gsi(nr, GSIA, GSIB, GSIC, GSID) -#define prt_slot_gsiB(nr) prt_slot_gsi(nr, GSIB, GSIC, GSID, GSIA) -#define prt_slot_gsiC(nr) prt_slot_gsi(nr, GSIC, GSID, GSIA, GSIB) -#define prt_slot_gsiD(nr) prt_slot_gsi(nr, GSID, GSIA, GSIB, GSIC) - -#define prt_slot_gsiE(nr) prt_slot_gsi(nr, GSIE, GSIF, GSIG, GSIH) -#define prt_slot_gsiF(nr) prt_slot_gsi(nr, GSIF, GSIG, GSIH, GSIE) -#define prt_slot_gsiG(nr) prt_slot_gsi(nr, GSIG, GSIH, GSIE, GSIF) -#define prt_slot_gsiH(nr) prt_slot_gsi(nr, GSIH, GSIE, GSIF, GSIG) - - Name(PRTA, package() { - prt_slot_gsiE(0x0000), - prt_slot_gsiF(0x0001), - prt_slot_gsiG(0x0002), - prt_slot_gsiH(0x0003), - prt_slot_gsiE(0x0004), - prt_slot_gsiF(0x0005), - prt_slot_gsiG(0x0006), - prt_slot_gsiH(0x0007), - prt_slot_gsiE(0x0008), - prt_slot_gsiF(0x0009), - prt_slot_gsiG(0x000a), - prt_slot_gsiH(0x000b), - prt_slot_gsiE(0x000c), - prt_slot_gsiF(0x000d), - prt_slot_gsiG(0x000e), - prt_slot_gsiH(0x000f), - prt_slot_gsiE(0x0010), - prt_slot_gsiF(0x0011), - prt_slot_gsiG(0x0012), - prt_slot_gsiH(0x0013), - prt_slot_gsiE(0x0014), - prt_slot_gsiF(0x0015), - prt_slot_gsiG(0x0016), - prt_slot_gsiH(0x0017), - prt_slot_gsiE(0x0018), - - /* INTA -> PIRQA for slot 25 - 31, but 30 - see the default value of DIR */ - prt_slot_gsiA(0x0019), - prt_slot_gsiA(0x001a), - prt_slot_gsiA(0x001b), - prt_slot_gsiA(0x001c), - prt_slot_gsiA(0x001d), - - /* PCIe->PCI bridge. use PIRQ[E-H] */ - prt_slot_gsiE(0x001e), - - prt_slot_gsiA(0x001f) - }) } External(LNKA, DeviceObj) -- cgit v1.1