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* OpenSPARC T2 Processor File: tlu_halt_cwqint.s
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#define H_HT0_Control_Word_Queue_Interrupt_0x3c
#define My_HT0_Control_Word_Queue_Interrupt_0x3c \
#define MAIN_PAGE_HV_ALSO
/************************************************************************
************************************************************************/
! If MT, then park all threads based on park_mask
! Unpark the next thread when finished with this one..
! %l1 contains is_mt, %l2 contains address of is_mt
! %l3 contains park_mask, %l4 contains address of park_mask
stxa %g0, [%g3] 0x41 ! Park all threads
stx %l1, [%l2] ! Set the MT flag
stx %g0, [%l5] ! release mutex
stxa %g1, [%g3] 0x41 ! Start with T0
stx %g0, [%l5] ! release mutex
wrpr %g0, 0x0, %pstate ! disable IE
stxa %g0, [%g0 + ASI_SPU_CWQ_CSR] %asi
!# allocate control word queue (e.g., setup head/tail/first/last registers)
!# write base addr to first, head, and tail ptr
stxa %g6, [%g0 + ASI_SPU_CWQ_FIRST] %asi !# first store to first
stxa %g6, [%g0 + ASI_SPU_CWQ_HEAD] %asi !# then to head
stxa %g6, [%g0 + ASI_SPU_CWQ_TAIL] %asi !# then to tail
setx CWQ_LAST, %g1, %g5 !# then end of CWQ region to LAST
stxa %g5, [%g0 + ASI_SPU_CWQ_LAST] %asi
!# set CWQ control word ([39:37] is strand ID ..)
best_set_reg(0x20600000, %g1, %g2) !# Control Word
best_set_reg(0x20610000, %g1, %g2) !# Control Word
ldxa [%g0]0x63, %g1 ! get my TID for interrupt steering ..
!# write CWQ entry (%g6 points to CWQ)
stx %g2, [%g6 + 0x8] !# source address
stx %g0, [%g6 + 0x10] !# Authentication Key Address (40-bit)
stx %g0, [%g6 + 0x18] !# Authentication IV Address (40-bit)
stx %g0, [%g6 + 0x20] !# Authentication FSAS Address (40-bit)
stx %g0, [%g6 + 0x28] !# Encryption Key Address (40-bit)
stx %g0, [%g6 + 0x30] !# Encryption Initialization Vector Address (40-bit)
stx %o3, [%g6 + 0x38] !# Destination Address (40-bit)
ldxa [%g0 + ASI_SPU_CWQ_TAIL] %asi, %g2
stxa %g2, [%g0 + ASI_SPU_CWQ_TAIL] %asi
!# Kick off the CWQ operation by writing to the CWQ_CSR
!# Set the enabled bit and reset the other bits
stxa %g1, [%g0 + ASI_SPU_CWQ_CSR] %asi
! $EV trig_pc_d(1, @VA(.MAIN.test1)) -> errCpxPkt(*,2,1, *, *, 1)
ldxa [%g0]0x4c, %g0 ! clear DESR
wrpr %g0, 2, %pstate ! Enable IE
!# set CWQ control word ([39:37] is strand ID ..)
best_set_reg(0x20600000, %g1, %g2) !# Control Word
best_set_reg(0x20610000, %g1, %g2) !# Control Word
ldxa [%g0]0x63, %g1 ! get my TID for interrupt steering ..
ldxa [%g0 + ASI_SPU_CWQ_HEAD] %asi, %g2
stxa %g2, [%g0 + ASI_SPU_CWQ_HEAD] %asi
stxa %g1, [%g0 + ASI_SPU_CWQ_CSR] %asi
! $EV trig_pc_d(1, @VA(.MAIN.test2)) -> errCpxPkt(*,2,1, *, *, 1)
ldxa [%g0]0x4c, %g0 ! clear DESR
! If MT, shift mask, unpark next thread and finish
/*******************************************************
*******************************************************/
/************************************************************************
************************************************************************/
SECTION .CWQ_DATA DATA_VA =0x4000
.xword 0xad32fa52374cc6ba
.xword 0x4cbf52280549003a
.xword 0xDEADBEEFDEADBEEF
.xword 0xDEADBEEFDEADBEEF