File increase-x86_64-physical-bits-to-42.patch of Package qemu

From: Bruce Rogers <brogers@suse.com>
Date: Fri, 17 May 2013 16:49:58 -0600
Subject: increase x86_64 physical bits to 42
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Allow for guests with higher amounts of ram. The current thought
is that 2TB specified on qemu commandline would be an appropriate
limit. Note that this requires the next higher bit value since
the highest address is actually more than 2TB due to the pci
memory hole.

Signed-off-by: Bruce Rogers <brogers@suse.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>

The DSDT needs to be updated as well, or tests will fail.

The necessary changes are the following ones:

@@ -5,13 +5,13 @@
  *
  * Disassembling to symbolic ASL+ operators
  *
- * Disassembly of /tmp/aml-ML87L1, Thu May 19 16:20:30 2022
+ * Disassembly of tests/data/acpi/microvm/DSDT.pcie, Thu May 19 16:20:30 2022
  *
  * Original Table Header:
  *     Signature        "DSDT"
  *     Length           0x00000BCF (3023)
  *     Revision         0x02
- *     Checksum         0xD1
+ *     Checksum         0xD8
  *     OEM ID           "BOCHS "
  *     OEM Table ID     "BXPC    "
  *     OEM Revision     0x00000001 (1)
@@ -1256,10 +1256,10 @@
                     ,, , AddressRangeMemory, TypeStatic)
                 QWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, NonCacheable, ReadWrite,
                     0x0000000000000000, // Granularity
-                    0x0000030000000000, // Range Minimum
-                    0x000003FFFFFFFFFF, // Range Maximum
+                    0x000000C000000000, // Range Minimum
+                    0x000000FFFFFFFFFF, // Range Maximum
                     0x0000000000000000, // Translation Offset
-                    0x0000010000000000, // Length
+                    0x0000004000000000, // Length
                     ,, , AddressRangeMemory, TypeStatic)
             })
             Name (SUPP, Zero)

We cannot, however, commit the modified binary as part of this patch,
will not apply it. The binary is instead put in the package, and copied
in place in the spec file, just before 'make check'.

Signed-off-by: Dario Faggioli <dfaggioli@suse.com>
---
 target/i386/tcg/helper-tcg.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/i386/tcg/helper-tcg.h b/target/i386/tcg/helper-tcg.h
index 0a4401e917f9a0b40fb95bf947fd..ef916d40e8c9497853b265a1e7b4 100644
--- a/target/i386/tcg/helper-tcg.h
+++ b/target/i386/tcg/helper-tcg.h
@@ -26,7 +26,7 @@
 #define TARGET_MAX_INSN_SIZE 16
 
 #if defined(TARGET_X86_64)
-# define TCG_PHYS_ADDR_BITS 40
+# define TCG_PHYS_ADDR_BITS 42
 #else
 # define TCG_PHYS_ADDR_BITS 36
 #endif