Revision a69abbe0 tcg/ppc64/tcg-target.c
| b/tcg/ppc64/tcg-target.c | ||
|---|---|---|
| 773 | 773 |
void tcg_target_qemu_prologue (TCGContext *s) |
| 774 | 774 |
{
|
| 775 | 775 |
int i, frame_size; |
| 776 |
uint64_t addr; |
|
| 776 | 777 |
|
| 777 | 778 |
frame_size = 0 |
| 778 | 779 |
+ 8 /* back chain */ |
| ... | ... | |
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; |
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frame_size = (frame_size + 15) & ~15; |
| 788 | 789 |
|
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/* First emit adhoc function descriptor */ |
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addr = (uint64_t) s->code_ptr + 24; |
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tcg_out32 (s, addr >> 32); tcg_out32 (s, addr); /* entry point */ |
|
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s->code_ptr += 16; /* skip TOC and environment pointer */ |
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|
|
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/* Prologue */ |
|
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tcg_out32 (s, MFSPR | RT (0) | LR); |
| 790 | 797 |
tcg_out32 (s, STDU | RS (1) | RA (1) | (-frame_size & 0xffff)); |
| 791 | 798 |
for (i = 0; i < ARRAY_SIZE (tcg_target_callee_save_regs); ++i) |
| ... | ... | |
| 796 | 803 |
) |
| 797 | 804 |
); |
| 798 | 805 |
tcg_out32 (s, STD | RS (0) | RA (1) | (frame_size + 20)); |
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tcg_out32 (s, STD | RS (2) | RA (1) | (frame_size + 40)); |
|
| 800 | 806 |
|
| 801 | 807 |
tcg_out32 (s, MTSPR | RS (3) | CTR); |
| 802 | 808 |
tcg_out32 (s, BCCTR | BO_ALWAYS); |
| 809 |
|
|
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/* Epilogue */ |
|
| 803 | 811 |
tb_ret_addr = s->code_ptr; |
| 804 | 812 |
|
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for (i = 0; i < ARRAY_SIZE (tcg_target_callee_save_regs); ++i) |
| ... | ... | |
| 810 | 818 |
) |
| 811 | 819 |
); |
| 812 | 820 |
tcg_out32 (s, LD | RT (0) | RA (1) | (frame_size + 20)); |
| 813 |
tcg_out32 (s, LD | RT (2) | RA (1) | (frame_size + 40)); |
|
| 814 | 821 |
tcg_out32 (s, MTSPR | RS (0) | LR); |
| 815 | 822 |
tcg_out32 (s, ADDI | RT (1) | RA (1) | frame_size); |
| 816 | 823 |
tcg_out32 (s, BCLR | BO_ALWAYS); |
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