[coreboot-gerrit] [XS] Change in coreboot[main]: include/memlayout.h: Add OPENSBI linker macro

[Felix Held (Code Review)]

Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/77974?usp=email )

Change subject: include/memlayout.h: Add OPENSBI linker macro
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include/memlayout.h: Add OPENSBI linker macro

This adds an opensbi linker macro for easier integration into
memlayout.ld linker scripts.

Signed-off-by: Maximilian Brune 
Change-Id: I4f138de685c6bfb3cdbf79d63787eb0c5aab8590
Reviewed-on: https://review.coreboot.org/c/coreboot/+/77974
Reviewed-by: Julius Werner 
Tested-by: build bot (Jenkins) 
---
M src/arch/riscv/include/arch/memlayout.h
1 file changed, 5 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Julius Werner: Looks good to me, approved

diff --git a/src/arch/riscv/include/arch/memlayout.h b/src/arch/riscv/include/arch/memlayout.h
index 3a77bd5..0c539d2 100644
--- a/src/arch/riscv/include/arch/memlayout.h
+++ b/src/arch/riscv/include/arch/memlayout.h
@@ -21,6 +21,11 @@
    	ALIAS_REGION(mem_stack, stack)
 #endif

+#define OPENSBI(addr, size) \
+	_ = ASSERT(addr == CONFIG_OPENSBI_TEXT_START, \
+		"opensbi linker address must equal CONFIG_OPENSBI_TEXT_START"); \
+	REGION(opensbi, addr, size, 4K)
+
 /* TODO: Need to add DMA_COHERENT region like on ARM? */

#endif /* __ARCH_MEMLAYOUT_H */