Update unit tests

MMIO tests:
The addresses and IRQs of devices created in `test_attach_...` tests are
now slightly different due to the implementation of the CpuContainer.
The IRQs are have been increased by 2, and the address has been
increased by 0x1000.

This occurs because the CPUContainer has 2 IRQs and one MMIO device,
which takes up 4K.

ACPI Table tests:
Test `test_write_acpi_tables_small_memory` was failing due to additional
pages being allocated to CpuContainer. This led to the corner case not
being reproduced. Values have been changed in order to properly
reproduce this corner case.

Signed-off-by: James Curtis <jxcurtis@amazon.co.uk>

Author: JamesC1305

src/vmm/src/acpi/mod.rs

@@ -263,7 +263,7 @@ pub mod tests {
     fn test_write_acpi_table_small_memory() {
         let mut vmm = default_vmm();
         vmm.guest_memory = arch_mem(
-            (SYSTEM_MEM_START + SYSTEM_MEM_SIZE - 4096)
+            (SYSTEM_MEM_START + SYSTEM_MEM_SIZE - 8192)
                 .try_into()
                 .unwrap(),
         );
@@ -272,15 +272,15 @@ pub mod tests {
             resource_allocator: &mut vmm.resource_allocator,
         };
 
-        let mut sdt = MockSdt(vec![0; usize::try_from(SYSTEM_MEM_SIZE).unwrap()]);
+        let mut sdt = MockSdt(vec![0; usize::try_from(SYSTEM_MEM_SIZE - 4096).unwrap()]);
         let err = writer.write_acpi_table(&mut sdt).unwrap_err();
         assert!(
             matches!(
                 err,
                 AcpiError::AcpiTables(acpi_tables::AcpiError::GuestMemory(
                     vm_memory::GuestMemoryError::PartialBuffer {
-                        expected: 263168,  // SYSTEM_MEM_SIZE
-                        completed: 259072  // SYSTEM_MEM_SIZE - 4096
+                        expected: 259072,  // SYSTEM_MEM_SIZE - 4096
+                        completed: 254976  // SYSTEM_MEM_SIZE - 8192
                     },
                 ))
             ),

src/vmm/src/builder.rs

@@ -1630,8 +1630,8 @@ pub mod tests {
             #[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
             assert!(cmdline_contains(
                 &cmdline,
-                "virtio_mmio.device=4K@0xd0000000:5 virtio_mmio.device=4K@0xd0001000:6 \
-                 virtio_mmio.device=4K@0xd0002000:7"
+                "virtio_mmio.device=4K@0xd0001000:7 virtio_mmio.device=4K@0xd0002000:8 \
+                 virtio_mmio.device=4K@0xd0003000:9"
             ));
         }
 
@@ -1726,7 +1726,7 @@ pub mod tests {
         #[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
         assert!(cmdline_contains(
             &cmdline,
-            "virtio_mmio.device=4K@0xd0000000:5"
+            "virtio_mmio.device=4K@0xd0001000:7"
         ));
     }
 
@@ -1743,7 +1743,7 @@ pub mod tests {
         #[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
         assert!(cmdline_contains(
             &cmdline,
-            "virtio_mmio.device=4K@0xd0000000:5"
+            "virtio_mmio.device=4K@0xd0001000:7"
         ));
     }
 
@@ -1762,7 +1762,7 @@ pub mod tests {
         #[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
         assert!(cmdline_contains(
             &cmdline,
-            "virtio_mmio.device=4K@0xd0000000:5"
+            "virtio_mmio.device=4K@0xd0001000:7"
         ));
     }
 }