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| 24 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 26 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | # |
27 | # |
| 28 | 28 | ||
| 29 | #include <arch/asm/macro.h> |
29 | #include <arch/asm/regname.h> |
| - | 30 | #include <arch/context_offset.h> |
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| 30 | 31 | ||
| 31 | .text |
32 | .text |
| 32 | 33 | ||
| 33 | .global context_save_arch |
34 | .global context_save_arch |
| 34 | .global context_restore_arch |
35 | .global context_restore_arch |
| 35 | 36 | ||
| - | 37 | .macro CONTEXT_STORE r |
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| - | 38 | stw sp, OFFSET_SP(\r) |
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| - | 39 | stw r2, OFFSET_R2(\r) |
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| - | 40 | stw r13, OFFSET_R13(\r) |
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| - | 41 | stw r14, OFFSET_R14(\r) |
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| - | 42 | stw r15, OFFSET_R15(\r) |
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| - | 43 | stw r16, OFFSET_R16(\r) |
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| - | 44 | stw r17, OFFSET_R17(\r) |
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| - | 45 | stw r18, OFFSET_R18(\r) |
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| - | 46 | stw r19, OFFSET_R19(\r) |
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| - | 47 | stw r20, OFFSET_R20(\r) |
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| - | 48 | stw r21, OFFSET_R21(\r) |
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| - | 49 | stw r22, OFFSET_R22(\r) |
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| - | 50 | stw r23, OFFSET_R23(\r) |
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| - | 51 | stw r24, OFFSET_R24(\r) |
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| - | 52 | stw r25, OFFSET_R25(\r) |
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| - | 53 | stw r26, OFFSET_R26(\r) |
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| - | 54 | stw r27, OFFSET_R27(\r) |
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| - | 55 | stw r28, OFFSET_R28(\r) |
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| - | 56 | stw r29, OFFSET_R29(\r) |
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| - | 57 | stw r30, OFFSET_R30(\r) |
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| - | 58 | stw r31, OFFSET_R31(\r) |
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| - | 59 | .endm |
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| - | 60 | ||
| - | 61 | .macro CONTEXT_LOAD r |
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| - | 62 | lwz sp, OFFSET_SP(\r) |
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| - | 63 | lwz r2, OFFSET_R2(\r) |
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| - | 64 | lwz r13, OFFSET_R13(\r) |
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| - | 65 | lwz r14, OFFSET_R14(\r) |
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| - | 66 | lwz r15, OFFSET_R15(\r) |
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| - | 67 | lwz r16, OFFSET_R16(\r) |
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| - | 68 | lwz r17, OFFSET_R17(\r) |
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| - | 69 | lwz r18, OFFSET_R18(\r) |
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| - | 70 | lwz r19, OFFSET_R19(\r) |
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| - | 71 | lwz r20, OFFSET_R20(\r) |
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| - | 72 | lwz r21, OFFSET_R21(\r) |
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| - | 73 | lwz r22, OFFSET_R22(\r) |
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| - | 74 | lwz r23, OFFSET_R23(\r) |
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| - | 75 | lwz r24, OFFSET_R24(\r) |
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| - | 76 | lwz r25, OFFSET_R25(\r) |
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| - | 77 | lwz r26, OFFSET_R26(\r) |
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| - | 78 | lwz r27, OFFSET_R27(\r) |
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| - | 79 | lwz r28, OFFSET_R28(\r) |
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| - | 80 | lwz r29, OFFSET_R29(\r) |
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| - | 81 | lwz r30, OFFSET_R30(\r) |
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| - | 82 | lwz r31, OFFSET_R31(\r) |
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| - | 83 | .endm |
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| - | 84 | ||
| 36 | context_save_arch: |
85 | context_save_arch: |
| 37 | REGISTERS_STORE r3 |
86 | CONTEXT_STORE r3 |
| 38 | 87 | ||
| 39 | mflr r3 |
88 | mflr r4 |
| - | 89 | stw r4, OFFSET_PC(r3) |
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| - | 90 | ||
| - | 91 | mfcr r4 |
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| 40 | stw r3, 128(r3) |
92 | stw r4, OFFSET_CR(r3) |
| 41 | 93 | ||
| 42 | # context_save returns 1 |
94 | # context_save returns 1 |
| 43 | li r3, 1 |
95 | li r3, 1 |
| 44 | blr |
96 | blr |
| 45 | 97 | ||
| 46 | context_restore_arch: |
98 | context_restore_arch: |
| 47 | REGISTERS_LOAD r3 |
99 | CONTEXT_LOAD r3 |
| - | 100 | ||
| - | 101 | lwz r4, OFFSET_CR(r3) |
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| - | 102 | mtcr r4 |
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| 48 | 103 | ||
| 49 | lwz r3, 128(r3) |
104 | lwz r4, OFFSET_PC(r3) |
| 50 | mtlr r3 |
105 | mtlr r4 |
| 51 | 106 | ||
| 52 | # context_restore returns 0 |
107 | # context_restore returns 0 |
| 53 | li r3, 0 |
108 | li r3, 0 |
| 54 | blr |
109 | blr |