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arc: add support for standalone programs

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Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>

Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Francois Bedard <fbedard@synopsys.com>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Heiko Schocher <hs@denx.de>
This commit is contained in:
Alexey Brodkin 2014-02-04 12:56:17 +04:00 committed by Tom Rini
parent bc5d542880
commit 794ab57497
1 changed files with 13 additions and 0 deletions
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13
examples/standalone/stubs.c
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@ -210,6 +210,19 @@ gd_t *global_data;
" l.jr r13\n" \
" l.nop\n" \
: : "i"(offsetof(gd_t, jt)), "i"(XF_ ## x * sizeof(void *)) : "r13");
#elif defined(CONFIG_ARC)
/*
* r25 holds the pointer to the global_data. r10 is call clobbered.
*/
#define EXPORT_FUNC(x) \
asm volatile( \
" .align 4\n" \
" .globl " #x "\n" \
#x ":\n" \
" ld r10, [r25, %0]\n" \
" ld r10, [r10, %1]\n" \
" j [r10]\n" \
: : "i"(offsetof(gd_t, jt)), "i"(XF_ ## x * sizeof(void *)) : "r10");
#else
/*" addi $sp, $sp, -24\n" \
" br $r16\n" \*/