hw/acpi: Make acpi_checksum() public

Make the ACPI table checksum calculation function (in core.c) public so
it can be reused in other parts of the ACPI code.

Signed-off-by: Oliver Steffen <osteffen@redhat.com>
Message-ID: <20260130054714.715928-2-osteffen@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

hw/acpi/core.c

@@ -83,7 +83,10 @@ bool acpi_builtin(void)
     return true;
 }
 
-static int acpi_checksum(const uint8_t *data, int len)
+/* Calculate the ACPI checksum value so that if used in the corresponding
+ * header field, the ACPI checksum verification will be successful.
+ */
+int acpi_checksum(const uint8_t *data, int len)
 {
     int sum, i;
     sum = 0;

include/hw/acpi/acpi.h

@@ -203,4 +203,7 @@ struct AcpiSlicOem {
 };
 int acpi_get_slic_oem(AcpiSlicOem *oem);
 
+/* core.c */
+int acpi_checksum(const uint8_t *data, int len);
+
 #endif /* QEMU_HW_ACPI_H */