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-rw-r--r--src/include/memlayout.h35
1 files changed, 31 insertions, 4 deletions
diff --git a/src/include/memlayout.h b/src/include/memlayout.h
index a5296286b2..f0ee3d3f77 100644
--- a/src/include/memlayout.h
+++ b/src/include/memlayout.h
@@ -22,10 +22,37 @@
#ifndef __MEMLAYOUT_H
#define __MEMLAYOUT_H
+#include <rules.h>
#include <arch/memlayout.h>
+/* Macros that the architecture can override. */
+#ifndef ARCH_POINTER_ALIGN_SIZE
+#define ARCH_POINTER_ALIGN_SIZE 8
+#endif
+
+#ifndef ARCH_CACHELINE_ALIGN_SIZE
+#define ARCH_CACHELINE_ALIGN_SIZE 64
+#endif
+
+/* Default to data as well as bss. */
+#ifndef ARCH_STAGE_HAS_DATA_SECTION
+#define ARCH_STAGE_HAS_DATA_SECTION 1
+#endif
+
+#ifndef ARCH_STAGE_HAS_BSS_SECTION
+#define ARCH_STAGE_HAS_BSS_SECTION 1
+#endif
+
+/* Default is that currently ramstage and smm only has a heap. */
+#ifndef ARCH_STAGE_HAS_HEAP_SECTION
+#define ARCH_STAGE_HAS_HEAP_SECTION (ENV_RAMSTAGE || ENV_SMM)
+#endif
+
#define STR(x) #x
+#define ALIGN_COUNTER(align) \
+ . = ALIGN(align);
+
#define SET_COUNTER(name, addr) \
_ = ASSERT(. <= addr, STR(name overlaps the previous region!)); \
. = addr;
@@ -58,7 +85,7 @@
/* TODO: This only works if you never access CBFS in romstage before RAM is up!
* If you need to change that assumption, you have some work ahead of you... */
-#if defined(__PRE_RAM__) && !defined(__ROMSTAGE__)
+#if defined(__PRE_RAM__) && !ENV_ROMSTAGE
#define PRERAM_CBFS_CACHE(addr, size) CBFS_CACHE(addr, size)
#define POSTRAM_CBFS_CACHE(addr, size) \
REGION(unused_cbfs_cache, addr, size, 4)
@@ -93,12 +120,12 @@
. += sz;
#endif
-#ifdef __RAMSTAGE__
+#if ENV_RAMSTAGE
#define RAMSTAGE(addr, sz) \
SET_COUNTER(ramstage, addr) \
- _ = ASSERT(_eramstage - _ramstage <= sz, \
+ _ = ASSERT(_eprogram - _program <= sz, \
STR(Ramstage exceeded its allotted size! (sz))); \
- INCLUDE "lib/ramstage.ramstage.ld"
+ INCLUDE "lib/program.ramstage.ld"
#else
#define RAMSTAGE(addr, sz) \
SET_COUNTER(ramstage, addr) \