diff options
Diffstat (limited to 'system/alpha/palcode/platform_m5.s')
| -rw-r--r-- | system/alpha/palcode/platform_m5.s | 65 |
1 files changed, 42 insertions, 23 deletions
diff --git a/system/alpha/palcode/platform_m5.s b/system/alpha/palcode/platform_m5.s index ce7a9fedb..acf02e69e 100644 --- a/system/alpha/palcode/platform_m5.s +++ b/system/alpha/palcode/platform_m5.s @@ -432,20 +432,26 @@ EXPORT(sys_wripir) // Convert the processor number to a CPU mask //-- - and r16,0xf, r14 // mask the top stuff (16 CPUs supported) + and r16,0x3, r14 // mask the top stuff (4 CPUs supported) bis r31,0x1,r16 // get a one sll r16,r14,r14 // shift the bit to the right place + sll r14,12,r14 + //++ // Build the Broadcast Space base address //-- - lda r13,0xff8e(r31) // Load the upper address bits - sll r13,24,r13 // shift them to the top + lda r16,0xf01(r31) + sll r16,32,r16 + ldah r13,0xa0(r31) + sll r13,8,r13 + bis r16,r13,r16 + lda r16,0x0080(r16) //++ // Send out the IP Intr //-- - stqp r14, 0x40(r13) // Write to TLIPINTR reg WAS TLSB_TLIPINTR_OFFSET + stqp r14, 0(r16) // Tsunami MISC Register wmb // Push out the store hw_rei @@ -737,20 +743,21 @@ EXPORT(sys_interrupt) //- ALIGN_BRANCH sys_int_23: - Read_TLINTRSUMx(r13,r10,r14) // read the right TLINTRSUMx - srl r13, 22, r13 // shift down to examine IPL17 - - Intr_Find_TIOP(r13,r14) - beq r14, 1f - - Get_TLSB_Node_Address(r14,r10) - lda r10, 0xac0(r10) // Get base TLILID address + or r31,0,r16 // IPI interrupt A0 = 0 + lda r12,0xf01(r31) // build up an address for the MISC register + sll r12,16,r12 + lda r12,0xa000(r12) + sll r12,16,r12 + lda r12,0x080(r12) - ldlp r13, 0(r10) // Read the TLILID register - bne r13, pal_post_dev_interrupt + ldq_p r10,0(r12) // read misc register + and r10,0x3,r10 // isolate CPUID + or r31,0x1,r14 // load r14 with bit to clear + sll r14,r10,r14 // left shift by CPU ID + sll r14,8,r14 + stq_p r14, 0(r12) // clear the rtc interrupt -1: lda r16, osfint_c_passrel(r31) // passive release - br r31, pal_post_interrupt // + br r31, pal_post_interrupt // Notify the OS ALIGN_BRANCH @@ -764,7 +771,7 @@ sys_int_22: ldq_p r10,0(r12) // read misc register and r10,0x3,r10 // isolate CPUID - or r31,0x10,r14 // load r9 with bit to clear + or r31,0x10,r14 // load r14 with bit to clear sll r14,r10,r14 // left shift by CPU ID stq_p r14, 0(r12) // clear the rtc interrupt @@ -811,10 +818,10 @@ sys_int_21: lda r12,0x0080(r12) ldqp r13, 0(r12) // read the MISC register for CPUID - and r13,0x1,r14 // grab LSB and shift left 2 - sll r14,2,r14 - and r13,0x2,r10 // grabl LSB+1 and shift left 5 - sll r10,5,r10 + and r13,0x1,r14 // grab LSB and shift left 6 + sll r14,6,r14 + and r13,0x2,r10 // grabl LSB+1 and shift left 9 + sll r10,9,r10 mskbl r12,0,r12 // calculate DIRn address lda r13,0x280(r31) @@ -1479,8 +1486,20 @@ sys_reset: mtpr r1, pt_scbb // load scbb mtpr r31, pt_prbr // clear out prbr #ifdef SIMOS + // yes, this is ugly, but you figure out a better + // way to get the address of the kludge_initial_pcbb + // in r1 with an uncooperative assembler --ali + br r1, kludge_getpcb_addr + br r31, kludge_initial_pcbb +kludge_getpcb_addr: + ldqp r19, 0(r1) + sll r19, 44, r19 + srl r19, 44, r19 + mulq r19,4,r19 + addq r19, r1, r1 + addq r1,4,r1 // or zero,kludge_initial_pcbb,r1 - GET_ADDR(r1, (kludge_initial_pcbb-pal_base), r1) +// GET_ADDR(r1, (kludge_initial_pcbb-pal_base), r1) #else mfpr r1, pal_base //orig sget_addr r1, (kludge_initial_pcbb-pal$base), r1, verify=0// get address for temp pcbb @@ -2598,7 +2617,7 @@ check_done: // do these now and return // .sbttl KLUDGE_INITIAL_PCBB - PCB for Boot use only ALIGN_128 - +.globl kludge_initial_pcbb kludge_initial_pcbb: // PCB is 128 bytes long // .repeat 16 // .quad 0 |