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hw/arm/virt-acpi-build: use SMC if booting in EL2

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Signed-off-by: Andrew Jones <drjones@redhat.com>
Acked-by: Alistair Francis <alistair.francis@xilinx.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1483977924-14522-16-git-send-email-peter.maydell@linaro.org
[PMM: look at vms->psci_conduit rather than vms->virt
 to decide whether to use HVC or SMC, and report no
 PSCI support at all for the 'PSCI disabled' case]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Andrew Jones 2017-01-20 11:15:10 +00:00 committed by Peter Maydell
parent 2013c5665c
commit 79e993a0a8
1 changed files with 20 additions and 6 deletions
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26
hw/arm/virt-acpi-build.c
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@ -650,16 +650,30 @@ build_madt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms)
}
/* FADT */
static void
build_fadt(GArray *table_data, BIOSLinker *linker, unsigned dsdt_tbl_offset)
static void build_fadt(GArray *table_data, BIOSLinker *linker,
VirtMachineState *vms, unsigned dsdt_tbl_offset)
{
AcpiFadtDescriptorRev5_1 *fadt = acpi_data_push(table_data, sizeof(*fadt));
unsigned dsdt_entry_offset = (char *)&fadt->dsdt - table_data->data;
uint16_t bootflags;
/* Hardware Reduced = 1 and use PSCI 0.2+ and with HVC */
switch (vms->psci_conduit) {
case QEMU_PSCI_CONDUIT_DISABLED:
bootflags = 0;
break;
case QEMU_PSCI_CONDUIT_HVC:
bootflags = ACPI_FADT_ARM_PSCI_COMPLIANT | ACPI_FADT_ARM_PSCI_USE_HVC;
break;
case QEMU_PSCI_CONDUIT_SMC:
bootflags = ACPI_FADT_ARM_PSCI_COMPLIANT;
break;
default:
g_assert_not_reached();
}
/* Hardware Reduced = 1 and use PSCI 0.2+ */
fadt->flags = cpu_to_le32(1 << ACPI_FADT_F_HW_REDUCED_ACPI);
fadt->arm_boot_flags = cpu_to_le16(ACPI_FADT_ARM_PSCI_COMPLIANT |
ACPI_FADT_ARM_PSCI_USE_HVC);
fadt->arm_boot_flags = cpu_to_le16(bootflags);
/* ACPI v5.1 (fadt->revision.fadt->minor_revision) */
fadt->minor_revision = 0x1;
@ -745,7 +759,7 @@ void virt_acpi_build(VirtMachineState *vms, AcpiBuildTables *tables)
/* FADT MADT GTDT MCFG SPCR pointed to by RSDT */
acpi_add_table(table_offsets, tables_blob);
build_fadt(tables_blob, tables->linker, dsdt);
build_fadt(tables_blob, tables->linker, vms, dsdt);
acpi_add_table(table_offsets, tables_blob);
build_madt(tables_blob, tables->linker, vms);