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__div0: give the address of the instruction calling division to UIE

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26820 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Rafaël Carré 2010-06-12 17:15:44 +00:00
parent 96d164f26d
commit 12e85b609f
1 changed files with 4 additions and 3 deletions
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7
firmware/target/arm/system-arm.c
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@ -99,8 +99,9 @@ void __attribute__((noreturn)) UIE(unsigned int pc, unsigned int num)
void __attribute__((naked)) __div0(void)
{
asm volatile (
"ldr r0, [sp] \r\n"
"mov r1, #3 \r\n"
"b UIE \r\n"
"ldr r0, [sp] \r\n"
"sub r0, r0, #4 \r\n"
"mov r1, #3 \r\n"
"b UIE \r\n"
);
}