| Line 68... |
Line 68... |
|
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# Store General Purpose Registers (GPRs).
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# Store General Purpose Registers (GPRs).
|
l.sw 2 * OR1K_GPRSIZE(sp), r2
|
l.sw 2 * OR1K_GPRSIZE(sp), r2
|
l.sw 9 * OR1K_GPRSIZE(sp), r9
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l.sw 9 * OR1K_GPRSIZE(sp), r9
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l.sw 10 * OR1K_GPRSIZE(sp), r10
|
l.sw 10 * OR1K_GPRSIZE(sp), r10
|
l.sw 12 * OR1K_GPRSIZE(sp), r12
|
|
l.sw 14 * OR1K_GPRSIZE(sp), r14
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l.sw 14 * OR1K_GPRSIZE(sp), r14
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l.sw 16 * OR1K_GPRSIZE(sp), r16
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l.sw 16 * OR1K_GPRSIZE(sp), r16
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l.sw 18 * OR1K_GPRSIZE(sp), r18
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l.sw 18 * OR1K_GPRSIZE(sp), r18
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l.sw 20 * OR1K_GPRSIZE(sp), r20
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l.sw 20 * OR1K_GPRSIZE(sp), r20
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l.sw 22 * OR1K_GPRSIZE(sp), r22
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l.sw 22 * OR1K_GPRSIZE(sp), r22
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l.sw 24 * OR1K_GPRSIZE(sp), r24
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l.sw 24 * OR1K_GPRSIZE(sp), r24
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l.sw 26 * OR1K_GPRSIZE(sp), r26
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l.sw 26 * OR1K_GPRSIZE(sp), r26
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l.sw 28 * OR1K_GPRSIZE(sp), r28
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l.sw 28 * OR1K_GPRSIZE(sp), r28
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l.sw 30 * OR1K_GPRSIZE(sp), r30
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l.sw 30 * OR1K_GPRSIZE(sp), r30
|
|
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#undef CYGDBG_HAL_COMMON_CONTEXT_SAVE_MINIMUM
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#ifndef CYGDBG_HAL_COMMON_CONTEXT_SAVE_MINIMUM
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#ifndef CYGDBG_HAL_COMMON_CONTEXT_SAVE_MINIMUM
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|
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# R0 is not typically stored because it is always zero-valued,
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# R0 is not typically stored because it is always zero-valued,
|
# but we store it here for consistency when examining registers
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# but we store it here for consistency when examining registers
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# in the debugger.
|
# in the debugger.
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l.sw 0 * OR1K_GPRSIZE(sp), r0
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l.sw 0 * OR1K_GPRSIZE(sp), r0
|
|
|
# Caller-saved regs don't need to be preserved across
|
# Caller-saved temporary regs don't need to be preserved across
|
# context switches, but we do so to make debugging easier.
|
# context switches, but we do so to make debugging easier.
|
|
|
l.sw 3 * OR1K_GPRSIZE(sp), r3
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l.sw 3 * OR1K_GPRSIZE(sp), r3
|
l.sw 4 * OR1K_GPRSIZE(sp), r4
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l.sw 4 * OR1K_GPRSIZE(sp), r4
|
l.sw 5 * OR1K_GPRSIZE(sp), r5
|
l.sw 5 * OR1K_GPRSIZE(sp), r5
|
l.sw 6 * OR1K_GPRSIZE(sp), r6
|
l.sw 6 * OR1K_GPRSIZE(sp), r6
|
l.sw 7 * OR1K_GPRSIZE(sp), r7
|
l.sw 7 * OR1K_GPRSIZE(sp), r7
|
l.sw 8 * OR1K_GPRSIZE(sp), r8
|
l.sw 8 * OR1K_GPRSIZE(sp), r8
|
l.sw 11 * OR1K_GPRSIZE(sp), r11
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l.sw 11 * OR1K_GPRSIZE(sp), r11
|
|
l.sw 12 * OR1K_GPRSIZE(sp), r12
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l.sw 13 * OR1K_GPRSIZE(sp), r13
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l.sw 13 * OR1K_GPRSIZE(sp), r13
|
l.sw 15 * OR1K_GPRSIZE(sp), r15
|
l.sw 15 * OR1K_GPRSIZE(sp), r15
|
l.sw 17 * OR1K_GPRSIZE(sp), r17
|
l.sw 17 * OR1K_GPRSIZE(sp), r17
|
l.sw 19 * OR1K_GPRSIZE(sp), r19
|
l.sw 19 * OR1K_GPRSIZE(sp), r19
|
l.sw 21 * OR1K_GPRSIZE(sp), r21
|
l.sw 21 * OR1K_GPRSIZE(sp), r21
|
| Line 108... |
Line 107... |
l.sw 25 * OR1K_GPRSIZE(sp), r25
|
l.sw 25 * OR1K_GPRSIZE(sp), r25
|
l.sw 27 * OR1K_GPRSIZE(sp), r27
|
l.sw 27 * OR1K_GPRSIZE(sp), r27
|
l.sw 29 * OR1K_GPRSIZE(sp), r29
|
l.sw 29 * OR1K_GPRSIZE(sp), r29
|
l.sw 31 * OR1K_GPRSIZE(sp), r31
|
l.sw 31 * OR1K_GPRSIZE(sp), r31
|
|
|
|
#endif
|
|
|
# save MAC LO and HI regs
|
# save MAC LO and HI regs
|
l.mfspr r5,r0,SPR_MACLO
|
l.mfspr r5,r0,SPR_MACLO
|
l.sw OR1KREG_MACLO(sp),r5
|
l.sw OR1KREG_MACLO(sp),r5
|
l.mfspr r5,r0,SPR_MACHI
|
l.mfspr r5,r0,SPR_MACHI
|
l.sw OR1KREG_MACHI(sp),r5
|
l.sw OR1KREG_MACHI(sp),r5
|
|
|
#endif
|
|
|
|
#ifdef CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT
|
#ifdef CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT
|
# Make the thread context look like an exception context if thread-
|
# Make the thread context look like an exception context if thread-
|
# aware debugging is required. This state does not need restoring.
|
# aware debugging is required. This state does not need restoring.
|
l.sw OR1KREG_PC(sp),r9
|
l.sw OR1KREG_PC(sp),r9
|
| Line 153... |
Line 153... |
# Restore General Purpose Registers (GPRs).
|
# Restore General Purpose Registers (GPRs).
|
# R0 is not restored because it is always zero-valued.
|
# R0 is not restored because it is always zero-valued.
|
l.lwz r2, 2 * OR1K_GPRSIZE(sp)
|
l.lwz r2, 2 * OR1K_GPRSIZE(sp)
|
l.lwz r9, 9 * OR1K_GPRSIZE(sp)
|
l.lwz r9, 9 * OR1K_GPRSIZE(sp)
|
l.lwz r10, 10 * OR1K_GPRSIZE(sp)
|
l.lwz r10, 10 * OR1K_GPRSIZE(sp)
|
l.lwz r12, 12 * OR1K_GPRSIZE(sp)
|
|
l.lwz r14, 14 * OR1K_GPRSIZE(sp)
|
l.lwz r14, 14 * OR1K_GPRSIZE(sp)
|
l.lwz r16, 16 * OR1K_GPRSIZE(sp)
|
l.lwz r16, 16 * OR1K_GPRSIZE(sp)
|
l.lwz r18, 18 * OR1K_GPRSIZE(sp)
|
l.lwz r18, 18 * OR1K_GPRSIZE(sp)
|
l.lwz r20, 20 * OR1K_GPRSIZE(sp)
|
l.lwz r20, 20 * OR1K_GPRSIZE(sp)
|
l.lwz r22, 22 * OR1K_GPRSIZE(sp)
|
l.lwz r22, 22 * OR1K_GPRSIZE(sp)
|
| Line 174... |
Line 173... |
l.lwz r5, OR1KREG_SR(sp)
|
l.lwz r5, OR1KREG_SR(sp)
|
l.andi r5, r5, (SPR_SR_TEE|SPR_SR_IEE)
|
l.andi r5, r5, (SPR_SR_TEE|SPR_SR_IEE)
|
l.or r5, r5, r6
|
l.or r5, r5, r6
|
l.mtspr r0, r5, SPR_SR
|
l.mtspr r0, r5, SPR_SR
|
|
|
#undef CYGDBG_HAL_COMMON_CONTEXT_SAVE_MINIMUM
|
|
#ifndef CYGDBG_HAL_COMMON_CONTEXT_SAVE_MINIMUM
|
|
|
|
# Caller-saved regs don't need to be preserved across
|
|
# context switches, but we do so here to make debugging
|
|
# easier.
|
|
|
|
# Restore MAC LO and HI regs
|
# Restore MAC LO and HI regs
|
l.lwz r5, OR1KREG_MACLO(sp)
|
l.lwz r5, OR1KREG_MACLO(sp)
|
l.mtspr r0,r5,SPR_MACLO
|
l.mtspr r0,r5,SPR_MACLO
|
l.lwz r5, OR1KREG_MACHI(sp)
|
l.lwz r5, OR1KREG_MACHI(sp)
|
l.mtspr r0,r5,SPR_MACHI
|
l.mtspr r0,r5,SPR_MACHI
|
|
|
|
#ifndef CYGDBG_HAL_COMMON_CONTEXT_SAVE_MINIMUM
|
|
|
|
# Caller-saved temporary regs don't need to be preserved across
|
|
# context switches, but we do so here to make debugging
|
|
# easier.
|
|
|
l.lwz r4, 4 * OR1K_GPRSIZE(sp)
|
l.lwz r4, 4 * OR1K_GPRSIZE(sp)
|
l.lwz r5, 5 * OR1K_GPRSIZE(sp)
|
l.lwz r5, 5 * OR1K_GPRSIZE(sp)
|
l.lwz r6, 6 * OR1K_GPRSIZE(sp)
|
l.lwz r6, 6 * OR1K_GPRSIZE(sp)
|
l.lwz r7, 7 * OR1K_GPRSIZE(sp)
|
l.lwz r7, 7 * OR1K_GPRSIZE(sp)
|
l.lwz r8, 8 * OR1K_GPRSIZE(sp)
|
l.lwz r8, 8 * OR1K_GPRSIZE(sp)
|
l.lwz r11, 11 * OR1K_GPRSIZE(sp)
|
l.lwz r11, 11 * OR1K_GPRSIZE(sp)
|
|
l.lwz r12, 12 * OR1K_GPRSIZE(sp)
|
l.lwz r13, 13 * OR1K_GPRSIZE(sp)
|
l.lwz r13, 13 * OR1K_GPRSIZE(sp)
|
l.lwz r15, 15 * OR1K_GPRSIZE(sp)
|
l.lwz r15, 15 * OR1K_GPRSIZE(sp)
|
l.lwz r17, 17 * OR1K_GPRSIZE(sp)
|
l.lwz r17, 17 * OR1K_GPRSIZE(sp)
|
l.lwz r19, 19 * OR1K_GPRSIZE(sp)
|
l.lwz r19, 19 * OR1K_GPRSIZE(sp)
|
l.lwz r21, 21 * OR1K_GPRSIZE(sp)
|
l.lwz r21, 21 * OR1K_GPRSIZE(sp)
|
