diff options
Diffstat (limited to 'pk/ppe42/ppe42_thread_init.S')
| -rw-r--r-- | pk/ppe42/ppe42_thread_init.S | 54 |
1 files changed, 28 insertions, 26 deletions
diff --git a/pk/ppe42/ppe42_thread_init.S b/pk/ppe42/ppe42_thread_init.S index 6e6c34fe..7185f7c7 100644 --- a/pk/ppe42/ppe42_thread_init.S +++ b/pk/ppe42/ppe42_thread_init.S @@ -48,54 +48,56 @@ __pk_thread_context_initialize: stw %r7, \prefix\reg(%r6) .endm - ## Initialize a fast context on the thread stack. The CR is cleared, + ## Initialize volatile context on the thread stack. The CR is cleared, ## the LR = pk_complete(), R3 has the private parameter. lwz %r6, PK_THREAD_OFFSET_SAVED_STACK_POINTER(%r3) - stwu %r6, -PK_FAST_CTX_SIZE(%r6) + stwu %r6, -PK_CTX_SIZE(%r6) li %r7, 0 - stw %r7, PK_FAST_CTX_CR(%r6) + stw %r7, PK_CTX_CR(%r6) _liw %r7, pk_complete - stw %r7, PK_FAST_CTX_LR(%r6) + stw %r7, PK_CTX_LR(%r6) - stw %r5, PK_FAST_CTX_GPR3(%r6) + stw %r5, PK_CTX_GPR3(%r6) - _gpr_init PK_FAST_CTX_GPR, 4, 0x0404 - _gpr_init PK_FAST_CTX_GPR, 5, 0x0505 - _gpr_init PK_FAST_CTX_GPR, 6, 0x0606 + _gpr_init PK_CTX_GPR, 4, 0x0404 + _gpr_init PK_CTX_GPR, 5, 0x0505 + _gpr_init PK_CTX_GPR, 6, 0x0606 - ## Initialize the (volatile - fast) context on the thread stack. XER - ## and CTR are clear, SRR0 = thread_routine, SRR1 = default machine + ## XER and CTR are clear, SRR0 = thread_routine, SRR1 = default machine ## context. - stwu %r6, -PK_VOL_FAST_CTX_SIZE(%r6) - li %r7, 0 - stw %r7, PK_VOL_FAST_CTX_XER(%r6) - stw %r7, PK_VOL_FAST_CTX_CTR(%r6) + stw %r7, PK_CTX_XER(%r6) + stw %r7, PK_CTX_CTR(%r6) - stw %r4, PK_VOL_FAST_CTX_SRR0(%r6) + stw %r4, PK_CTX_SRR0(%r6) _lwzsd %r7, __pk_thread_machine_context_default - stw %r7, PK_VOL_FAST_CTX_SRR1(%r6) + stw %r7, PK_CTX_SRR1(%r6) - _gpr_init PK_VOL_FAST_CTX_GPR, 0, 0x0000 - _gpr_init PK_VOL_FAST_CTX_GPR, 7, 0x0707 - _gpr_init PK_VOL_FAST_CTX_GPR, 8, 0x0808 - _gpr_init PK_VOL_FAST_CTX_GPR, 9, 0x0909 - _gpr_init PK_VOL_FAST_CTX_GPR, 10, 0x1010 + _gpr_init PK_CTX_GPR, 0, 0x0000 + _gpr_init PK_CTX_GPR, 7, 0x0707 + _gpr_init PK_CTX_GPR, 8, 0x0808 + _gpr_init PK_CTX_GPR, 9, 0x0909 + _gpr_init PK_CTX_GPR, 10, 0x1010 ## Initialize the non-volatile context on the thread stack. - stwu %r6, -PK_NON_VOL_CTX_SIZE(%r6) + _gpr_init PK_CTX_GPR, 28, 0x2828 + _gpr_init PK_CTX_GPR, 29, 0x2929 + _gpr_init PK_CTX_GPR, 30, 0x3030 + _gpr_init PK_CTX_GPR, 31, 0x3131 + + ## Initialize the kernel context on the thread stack. + ## Note: Thread priority is set later each time the thread is + ## resumed. - _gpr_init PK_NON_VOL_CTX_GPR, 28, 0x2828 - _gpr_init PK_NON_VOL_CTX_GPR, 29, 0x2929 - _gpr_init PK_NON_VOL_CTX_GPR, 30, 0x3030 - _gpr_init PK_NON_VOL_CTX_GPR, 31, 0x3131 + lis %r7, PPE42_THREAD_MODE + stw %r7, PK_CTX_KERNEL_CTX(%r6) ## Initialization is done - the stack pointer is stored back in the ## thread. |
