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#define TOKEN_PASTE(x,y) x##y
.text
.align 2
.globl PREFIXED_SYMBOL(coroutine_transfer)
.type PREFIXED_SYMBOL(coroutine_transfer), @function
PREFIXED_SYMBOL(coroutine_transfer):
# Make space on the stack for caller registers
addi 1,1,-160
# Save caller registers
std 14,0(1)
std 15,8(1)
std 16,16(1)
std 17,24(1)
std 18,32(1)
std 19,40(1)
std 20,48(1)
std 21,56(1)
std 22,64(1)
std 23,72(1)
std 24,80(1)
std 25,88(1)
std 26,96(1)
std 27,104(1)
std 28,112(1)
std 29,120(1)
std 30,128(1)
std 31,136(1)
# Save return address
mflr 0
std 0,144(1)
# Save caller special register
mfcr 0
std 0, 152(1)
# Save stack pointer to first argument
std 1,0(3)
# Load stack pointer from second argument
ld 1,0(4)
# Restore caller registers
ld 14,0(1)
ld 15,8(1)
ld 16,16(1)
ld 17,24(1)
ld 18,32(1)
ld 19,40(1)
ld 20,48(1)
ld 21,56(1)
ld 22,64(1)
ld 23,72(1)
ld 24,80(1)
ld 25,88(1)
ld 26,96(1)
ld 27,104(1)
ld 28,112(1)
ld 29,120(1)
ld 30,128(1)
ld 31,136(1)
# Load return address
ld 0,144(1)
mtlr 0
# Load special registers
ld 0,152(1)
# Restore cr register cr2, cr3 and cr4 (field index 3,4,5)
# (field index is 1-based, field 1 = cr0) using a mask (32|16|8 = 56)
mtcrf 56,0
# Pop stack frame
addi 1,1,160
# Jump to return address
blr
#if defined(__linux__) && defined(__ELF__)
.section .note.GNU-stack,"",%progbits
#endif
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