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[Minios-devel] [UNIKRAFT PATCH v4 3/7] plat: Replace 0x1000 / 4096 with __PAGE_SIZE



Now that we have preprocessor support, we can use it to make some of
these numbers more expressive.

Signed-off-by: Florian Schmidt <florian.schmidt@xxxxxxxxx>
Reviewed-by: Costin Lupu <costin.lupu@xxxxxxxxx>
---
 plat/kvm/x86/link64.lds.S | 9 +++++----
 plat/xen/arm/link32.lds.S | 6 +++---
 plat/xen/x86/link64.lds.S | 7 ++++---
 3 files changed, 12 insertions(+), 10 deletions(-)

diff --git a/plat/kvm/x86/link64.lds.S b/plat/kvm/x86/link64.lds.S
index 5c63e4af..011e6232 100644
--- a/plat/kvm/x86/link64.lds.S
+++ b/plat/kvm/x86/link64.lds.S
@@ -23,6 +23,7 @@
  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#include <uk/arch/limits.h> /* for __PAGE_SIZE */
 #include <common.lds.h>
 
 ENTRY(_libkvmplat_entry)
@@ -48,7 +49,7 @@ SECTIONS
        CTORTAB_SECTION
 
        /* Read-only data */
-       . = ALIGN(0x1000);
+       . = ALIGN(__PAGE_SIZE);
        _rodata = .;
        .rodata :
        {
@@ -76,7 +77,7 @@ SECTIONS
        _ectors = .;
 
        /* Read-write data (initialized) */
-       . = ALIGN(0x1000);
+       . = ALIGN(__PAGE_SIZE);
        _data = .;
        .data :
        {
@@ -86,14 +87,14 @@ SECTIONS
        _edata = .;
 
        /* Read-write data (uninitialized) */
-       . = ALIGN(0x1000);
+       . = ALIGN(__PAGE_SIZE);
        __bss_start = .;
        .bss :
        {
                *(.bss)
                *(.bss.*)
                *(COMMON)
-               . = ALIGN(0x1000);
+               . = ALIGN(__PAGE_SIZE);
        }
 
        _end = .;
diff --git a/plat/xen/arm/link32.lds.S b/plat/xen/arm/link32.lds.S
index 8bbefa64..642b5eb3 100644
--- a/plat/xen/arm/link32.lds.S
+++ b/plat/xen/arm/link32.lds.S
@@ -58,7 +58,7 @@ SECTIONS
                *(.rodata)
                *(.rodata.*)
        }
-       . = ALIGN(4096);
+       . = ALIGN(__PAGE_SIZE);
        _erodata = .;
 
        CTORTAB_SECTION
@@ -78,7 +78,7 @@ SECTIONS
                KEEP (*(.init_array .ctors))
                PROVIDE_HIDDEN (__init_array_end = .);
        }
-       . = ALIGN(4096);
+       . = ALIGN(__PAGE_SIZE);
        _ectors = .;
 
        /* Data */
@@ -99,7 +99,7 @@ SECTIONS
                *(.bss)
                *(.bss.*)
        }
-       . = ALIGN(4096);
+       . = ALIGN(__PAGE_SIZE);
        _end = . ;
 
 
diff --git a/plat/xen/x86/link64.lds.S b/plat/xen/x86/link64.lds.S
index 116a12e8..ff69f830 100644
--- a/plat/xen/x86/link64.lds.S
+++ b/plat/xen/x86/link64.lds.S
@@ -23,6 +23,7 @@
  */
 /* Taken from Mini-OS */
 
+#include <uk/arch/limits.h> /* for __PAGE_SIZE */
 #include <common.lds.h>
 
 OUTPUT_FORMAT("elf64-x86-64")
@@ -50,7 +51,7 @@ SECTIONS
                *(.rodata)
                *(.rodata.*)
        }
-       . = ALIGN(4096);
+       . = ALIGN(__PAGE_SIZE);
        _erodata = .;
 
        . = ALIGN(0x8);
@@ -68,7 +69,7 @@ SECTIONS
                KEEP (*(.init_array .ctors))
                PROVIDE_HIDDEN (__init_array_end = .);
        }
-       . = ALIGN(4096);
+       . = ALIGN(__PAGE_SIZE);
        _ectors = .;
 
        /* Data */
@@ -89,7 +90,7 @@ SECTIONS
                *(.bss)
                *(.bss.*)
        }
-       . = ALIGN(4096);
+       . = ALIGN(__PAGE_SIZE);
        _end = . ;
 
        /* Sections to be discarded */
-- 
2.21.0


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