[PATCH 3/4] BIOS changes for KVM HPET (v3)

[Beth Kon <eak@xxxxxxxxxx>]

Signed-off-by: Beth Kon <eak@xxxxxxxxxx>


diff --git a/kvm/bios/acpi-dsdt.dsl b/kvm/bios/acpi-dsdt.dsl
index c756fed..0e142be 100755
--- a/kvm/bios/acpi-dsdt.dsl
+++ b/kvm/bios/acpi-dsdt.dsl
@@ -308,7 +308,6 @@ DefinitionBlock (
             })
         }
 #ifdef BX_QEMU
-#ifdef HPET_WORKS_IN_KVM
         Device(HPET) {
             Name(_HID,  EISAID("PNP0103"))
             Name(_UID, 0)
@@ -328,7 +327,6 @@ DefinitionBlock (
             })
         }
 #endif
-#endif
     }
 
     Scope(\_SB.PCI0) {
diff --git a/kvm/bios/rombios32.c b/kvm/bios/rombios32.c
index 53359b8..df83ee7 100755
--- a/kvm/bios/rombios32.c
+++ b/kvm/bios/rombios32.c
@@ -1519,8 +1519,8 @@ struct acpi_20_generic_address {
 } __attribute__((__packed__));
 
 /*
- *  * HPET Description Table
- *   */
+ *  HPET Description Table
+ */
 struct acpi_20_hpet {
     ACPI_TABLE_HEADER_DEF                           /* ACPI common table header */
     uint32_t           timer_block_id;
@@ -1706,13 +1706,11 @@ void acpi_bios_init(void)
 #endif
     addr += madt_size;
 #ifdef BX_QEMU
-#ifdef HPET_WORKS_IN_KVM
     addr = (addr + 7) & ~7;
     hpet_addr = addr;
     hpet = (void *)(addr);
     addr += sizeof(*hpet);
 #endif
-#endif
 
     /* RSDP */
     memset(rsdp, 0, sizeof(*rsdp));
@@ -1884,7 +1882,6 @@ void acpi_bios_init(void)
     }
 
     /* HPET */
-#ifdef HPET_WORKS_IN_KVM
     memset(hpet, 0, sizeof(*hpet));
     /* Note timer_block_id value must be kept in sync with value advertised by
      * emulated hpet
@@ -1893,7 +1890,6 @@ void acpi_bios_init(void)
     hpet->addr.address = cpu_to_le32(ACPI_HPET_ADDRESS);
     acpi_build_table_header((struct  acpi_table_header *)hpet,
                              "HPET", sizeof(*hpet), 1);
-#endif
 
     acpi_additional_tables(); /* resets cfg to required entry */
     for(i = 0; i < external_tables; i++) {
@@ -1913,8 +1909,7 @@ void acpi_bios_init(void)
     /* kvm has no ssdt (processors are in dsdt) */
 //  rsdt->table_offset_entry[nb_rsdt_entries++] = cpu_to_le32(ssdt_addr);
 #ifdef BX_QEMU
-    /* No HPET (yet) */
-//  rsdt->table_offset_entry[nb_rsdt_entries++] = cpu_to_le32(hpet_addr);
+    rsdt->table_offset_entry[nb_rsdt_entries++] = cpu_to_le32(hpet_addr);
     if (nb_numa_nodes > 0)
         rsdt->table_offset_entry[nb_rsdt_entries++] = cpu_to_le32(srat_addr);
 #endif
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