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xtensa: nommu: fix Image.elf reset code and ld script

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Don't hardcode kernel entry address as 0x3000 or 0xd0003000, use
LOAD_MEMORY_ADDRESS macro. Don't compile MMU remapping code and don't try
to link it when building noMMU configuration.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
This commit is contained in:
Max Filippov 2014-10-02 22:03:27 +04:00
parent be603092cc
commit ccd0ef38be
2 changed files with 6 additions and 6 deletions
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2
arch/xtensa/boot/boot-elf/boot.lds.S
View File

@ -41,6 +41,7 @@ SECTIONS
__bss_end = .;
}
#ifdef CONFIG_MMU
/*
* This is a remapped copy of the Reset Vector Code.
* It keeps gdb in sync with the PC after switching
@ -51,4 +52,5 @@ SECTIONS
{
*(.ResetVector.remapped_text)
}
#endif
}

10
arch/xtensa/boot/boot-elf/bootstrap.S
View File

@ -20,6 +20,7 @@
#include <asm/page.h>
#include <asm/cacheasm.h>
#include <asm/initialize_mmu.h>
#include <asm/vectors.h>
#include <linux/linkage.h>
.section .ResetVector.text, "ax"
@ -34,12 +35,7 @@ _ResetVector:
.align 4
RomInitAddr:
#if defined(CONFIG_INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX) && \
XCHAL_HAVE_PTP_MMU && XCHAL_HAVE_SPANNING_WAY
.word 0x00003000
#else
.word 0xd0003000
#endif
.word LOAD_MEMORY_ADDRESS
RomBootParam:
.word _bootparam
_bootparam:
@ -79,6 +75,7 @@ reset:
movi a4, 0
jx a0
#ifdef CONFIG_MMU
.align 4
.section .ResetVector.remapped_text, "x"
@ -102,3 +99,4 @@ _RemappedSetupMMU:
#endif
.end no-absolute-literals
#endif