diff options
Diffstat (limited to 'system/alpha/console/paljtokern.S')
| -rw-r--r-- | system/alpha/console/paljtokern.S | 205 |
1 files changed, 99 insertions, 106 deletions
diff --git a/system/alpha/console/paljtokern.S b/system/alpha/console/paljtokern.S index 3e3ec6fa0..539515fe1 100644 --- a/system/alpha/console/paljtokern.S +++ b/system/alpha/console/paljtokern.S @@ -1,97 +1,94 @@ /* -Copyright (c) 2003, 2004 -The Regents of The University of Michigan -All Rights Reserved - -This code is part of the M5 simulator, developed by Nathan Binkert, -Erik Hallnor, Steve Raasch, and Steve Reinhardt, with contributions -from Ron Dreslinski, Dave Greene, Lisa Hsu, Ali Saidi, and Andrew -Schultz. - -Permission is granted to use, copy, create derivative works and -redistribute this software and such derivative works for any purpose, -so long as the copyright notice above, this grant of permission, and -the disclaimer below appear in all copies made; and so long as the -name of The University of Michigan is not used in any advertising or -publicity pertaining to the use or distribution of this software -without specific, written prior authorization. - -THIS SOFTWARE IS PROVIDED AS IS, WITHOUT REPRESENTATION FROM THE -UNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY PURPOSE, AND WITHOUT -WARRANTY BY THE UNIVERSITY OF MICHIGAN OF ANY KIND, EITHER EXPRESS OR -IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF -MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE REGENTS OF -THE UNIVERSITY OF MICHIGAN SHALL NOT BE LIABLE FOR ANY DAMAGES, -INCLUDING DIRECT, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL -DAMAGES, WITH RESPECT TO ANY CLAIM ARISING OUT OF OR IN CONNECTION -WITH THE USE OF THE SOFTWARE, EVEN IF IT HAS BEEN OR IS HEREAFTER -ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. -*/ + * Copyright (c) 2003, 2004 + * The Regents of The University of Michigan + * All Rights Reserved + * + * This code is part of the M5 simulator, developed by Nathan Binkert, + * Erik Hallnor, Steve Raasch, and Steve Reinhardt, with contributions + * from Ron Dreslinski, Dave Greene, Lisa Hsu, Ali Saidi, and Andrew + * Schultz. + * + * Permission is granted to use, copy, create derivative works and + * redistribute this software and such derivative works for any purpose, + * so long as the copyright notice above, this grant of permission, and + * the disclaimer below appear in all copies made; and so long as the + * name of The University of Michigan is not used in any advertising or + * publicity pertaining to the use or distribution of this software + * without specific, written prior authorization. + * + * THIS SOFTWARE IS PROVIDED AS IS, WITHOUT REPRESENTATION FROM THE + * UNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY PURPOSE, AND WITHOUT + * WARRANTY BY THE UNIVERSITY OF MICHIGAN OF ANY KIND, EITHER EXPRESS OR + * IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE REGENTS OF + * THE UNIVERSITY OF MICHIGAN SHALL NOT BE LIABLE FOR ANY DAMAGES, + * INCLUDING DIRECT, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL + * DAMAGES, WITH RESPECT TO ANY CLAIM ARISING OUT OF OR IN CONNECTION + * WITH THE USE OF THE SOFTWARE, EVEN IF IT HAS BEEN OR IS HEREAFTER + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + */ + /* -Copyright 1993 Hewlett-Packard Development Company, L.P. - -Permission is hereby granted, free of charge, to any person obtaining a copy of -this software and associated documentation files (the "Software"), to deal in -the Software without restriction, including without limitation the rights to -use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies -of the Software, and to permit persons to whom the Software is furnished to do -so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. -*/ + * Copyright 1993 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + #include "dc21164FromGasSources.h" // DECchip 21164 specific definitions #include "ev5_defs.h" -#include "fromHudsonOsf.h" // OSF/1 specific definitions -#include "fromHudsonMacros.h" // Global macro definitions -#include "ev5_impure.h" // Scratch & logout area data structures -#include "platform.h" // Platform specific definitions +#include "fromHudsonOsf.h" // OSF/1 specific definitions +#include "fromHudsonMacros.h" // Global macro definitions - .global palJToKern - .text 3 -palJToKern: /* Jump to kernel -args: - Kernel address - a0 - PCBB - a1 - First free PFN - a3? - - Enable kseg addressing in ICSR - Enable kseg addressing in MCSR - Set VTBR -- Set to 1GB as per SRM, or maybe 8GB?? - Set PCBB -- pass pointer in arg - Set PTBR -- get it out of PCB - Set KSP -- get it out of PCB - - Jump to kernel address - - Kernel args- - s0 first free PFN - s1 ptbr - s2 argc 0 - s3 argv NULL - s5 osf_param (sysconfigtab) NULL + * args: + * Kernel address - a0 + * PCBB - a1 + * First free PFN - a3? + * + * Enable kseg addressing in ICSR + * Enable kseg addressing in MCSR + * Set VTBR -- Set to 1GB as per SRM, or maybe 8GB?? + * Set PCBB -- pass pointer in arg + * Set PTBR -- get it out of PCB + * Set KSP -- get it out of PCB + * + * Jump to kernel address + * + * Kernel args- + * s0 first free PFN + * s1 ptbr + * s2 argc 0 + * s3 argv NULL + * s5 osf_param (sysconfigtab) NULL */ + .global palJToKern + .text 3 +palJToKern: ALIGN_BRANCH ldq_p a0, 0(zero) ldq_p a1, 8(zero) ldq_p a3, 16(zero) -#ifdef undef - LDLI(t0,0x200000000) // 8GB, like the Mikasa - LDLI(t0,0x40000000) // 1GB, like the SRM - STALL // don't dual issue the load with mtpr -pb -#endif /* Point the Vptbr at 8GB */ lda t0, 0x1(zero) sll t0, 33, t0 @@ -103,7 +100,7 @@ args: /* Turn on superpage mapping in the mbox and icsr */ lda t0, (2<<MCSR_V_SP)(zero) // Get a '10' (binary) in MCSR<SP> STALL // don't dual issue the load with mtpr -pb - mtpr t0, mcsr // Set the super page mode enable bit + mtpr t0, mcsr // Set the super page mode enable bit STALL // don't dual issue the load with mtpr -pb lda t0, 0(zero) @@ -112,45 +109,45 @@ args: LDLI (t1,0x20000000) STALL // don't dual issue the load with mtpr -pb - mfpr t0, icsr // Enable superpage mapping + mfpr t0, icsr // Enable superpage mapping STALL // don't dual issue the load with mtpr -pb bis t0, t1, t0 mtpr t0, icsr - STALL // Required stall to update chip ... + STALL // Required stall to update chip ... STALL STALL STALL STALL ldq_p s0, PCB_Q_PTBR(a1) - sll s0, VA_S_OFF, s0 // Shift PTBR into position + sll s0, VA_S_OFF, s0 // Shift PTBR into position STALL // don't dual issue the load with mtpr -pb - mtpr s0, ptPtbr // PHYSICAL MBOX INST -> MT PT20 IN 0,1 + mtpr s0, ptPtbr // PHYSICAL MBOX INST -> MT PT20 IN 0,1 STALL // don't dual issue the load with mtpr -pb ldq_p sp, PCB_Q_KSP(a1) - mtpr a0, excAddr // Load the dispatch address. + mtpr a0, excAddr // Load the dispatch address. STALL // don't dual issue the load with mtpr -pb - bis a3, zero, a0 // first free PFN - ldq_p a1, PCB_Q_PTBR(a1) // ptbr - ldq_p a2, 24(zero) // argc - ldq_p a3, 32(zero) // argv - ldq_p a4, 40(zero) // environ - lda a5, 0(zero) // osf_param + bis a3, zero, a0 // first free PFN + ldq_p a1, PCB_Q_PTBR(a1) // ptbr + ldq_p a2, 24(zero) // argc + ldq_p a3, 32(zero) // argv + ldq_p a4, 40(zero) // environ + lda a5, 0(zero) // osf_param STALL // don't dual issue the load with mtpr -pb - mtpr zero, dtbIa // Flush all D-stream TB entries - mtpr zero, itbIa // Flush all I-stream TB entries + mtpr zero, dtbIa // Flush all D-stream TB entries + mtpr zero, itbIa // Flush all I-stream TB entries br zero, 2f ALIGN_BLOCK -2: NOP - mtpr zero, icFlush // Flush the icache. +2: NOP + mtpr zero, icFlush // Flush the icache. NOP NOP - NOP // Required NOPs ... 1-10 + NOP // Required NOPs ... 1-10 NOP NOP NOP @@ -161,7 +158,7 @@ args: NOP NOP - NOP // Required NOPs ... 11-20 + NOP // Required NOPs ... 11-20 NOP NOP NOP @@ -172,7 +169,7 @@ args: NOP NOP - NOP // Required NOPs ... 21-30 + NOP // Required NOPs ... 21-30 NOP NOP NOP @@ -183,7 +180,7 @@ args: NOP NOP - NOP // Required NOPs ... 31-40 + NOP // Required NOPs ... 31-40 NOP NOP NOP @@ -194,13 +191,9 @@ args: NOP NOP - - - NOP // Required NOPs ... 41-44 + NOP // Required NOPs ... 41-44 NOP NOP NOP - hw_rei_stall // Dispatch to kernel - - + hw_rei_stall // Dispatch to kernel |