Commit 5fb50fa6 authored Aug 11, 2023 by Alexander Gordeev

s390/boot: Make .amode31 section address range explicit



This is a preparatory rework to allow uncoupling virtual
and physical addresses spaces.

Introduce .amode31 section address range AMODE31_START
and AMODE31_END macros for later use.

Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>

parent 7de0446f

arch/s390/include/asm/physmem_info.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -170,4 +170,7 @@ static inline unsigned long get_physmem_reserved(enum reserved_range_type type,
		return *size;
		}

		#define AMODE31_START (physmem_info.reserved[RR_AMODE31].start)
		#define AMODE31_END (physmem_info.reserved[RR_AMODE31].end)

		#endif

arch/s390/kernel/setup.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -765,7 +765,7 @@ static void __init relocate_amode31_section(void)
		unsigned long amode31_size = __eamode31 - __samode31;
		long amode31_offset, *ptr;

		amode31_offset = physmem_info.reserved[RR_AMODE31].start - (unsigned long)__samode31;
		amode31_offset = AMODE31_START - (unsigned long)__samode31;
		pr_info("Relocating AMODE31 section of size 0x%08lx\n", amode31_size);

		/* Move original AMODE31 section to the new one */