225 lines
7.2 KiB
C
225 lines
7.2 KiB
C
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/*
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* c 2001 PPC 64 Team, IBM Corp
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#include <linux/config.h>
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#include <linux/types.h>
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#include <linux/threads.h>
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#include <linux/module.h>
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#include <asm/processor.h>
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#include <asm/ptrace.h>
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#include <asm/page.h>
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#include <asm/lppaca.h>
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#include <asm/iSeries/ItLpQueue.h>
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#include <asm/paca.h>
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static union {
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struct systemcfg data;
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u8 page[PAGE_SIZE];
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} systemcfg_store __page_aligned;
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struct systemcfg *systemcfg = &systemcfg_store.data;
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EXPORT_SYMBOL(systemcfg);
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/* This symbol is provided by the linker - let it fill in the paca
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* field correctly */
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extern unsigned long __toc_start;
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/* The Paca is an array with one entry per processor. Each contains an
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* lppaca, which contains the information shared between the
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* hypervisor and Linux. Each also contains an ItLpRegSave area which
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* is used by the hypervisor to save registers.
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* On systems with hardware multi-threading, there are two threads
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* per processor. The Paca array must contain an entry for each thread.
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* The VPD Areas will give a max logical processors = 2 * max physical
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* processors. The processor VPD array needs one entry per physical
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* processor (not thread).
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*/
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#ifdef CONFIG_PPC_ISERIES
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#define EXTRA_INITS(number, lpq) \
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.lppaca_ptr = &paca[number].lppaca, \
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.lpqueue_ptr = (lpq), /* &xItLpQueue, */ \
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.reg_save_ptr = &paca[number].reg_save, \
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.reg_save = { \
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.xDesc = 0xd397d9e2, /* "LpRS" */ \
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.xSize = sizeof(struct ItLpRegSave) \
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},
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#else
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#define EXTRA_INITS(number, lpq)
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#endif
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#define PACAINITDATA(number,start,lpq,asrr,asrv) \
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{ \
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.lock_token = 0x8000, \
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.paca_index = (number), /* Paca Index */ \
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.default_decr = 0x00ff0000, /* Initial Decr */ \
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.kernel_toc = (unsigned long)(&__toc_start) + 0x8000UL, \
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.stab_real = (asrr), /* Real pointer to segment table */ \
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.stab_addr = (asrv), /* Virt pointer to segment table */ \
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.cpu_start = (start), /* Processor start */ \
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.hw_cpu_id = 0xffff, \
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.lppaca = { \
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.desc = 0xd397d781, /* "LpPa" */ \
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.size = sizeof(struct lppaca), \
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.dyn_proc_status = 2, \
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.decr_val = 0x00ff0000, \
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.fpregs_in_use = 1, \
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.end_of_quantum = 0xfffffffffffffffful, \
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.slb_count = 64, \
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}, \
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EXTRA_INITS((number), (lpq)) \
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}
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struct paca_struct paca[] = {
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#ifdef CONFIG_PPC_ISERIES
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PACAINITDATA( 0, 1, &xItLpQueue, 0, STAB0_VIRT_ADDR),
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#else
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PACAINITDATA( 0, 1, NULL, STAB0_PHYS_ADDR, STAB0_VIRT_ADDR),
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#endif
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#if NR_CPUS > 1
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PACAINITDATA( 1, 0, NULL, 0, 0),
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PACAINITDATA( 2, 0, NULL, 0, 0),
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PACAINITDATA( 3, 0, NULL, 0, 0),
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#if NR_CPUS > 4
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PACAINITDATA( 4, 0, NULL, 0, 0),
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PACAINITDATA( 5, 0, NULL, 0, 0),
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PACAINITDATA( 6, 0, NULL, 0, 0),
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PACAINITDATA( 7, 0, NULL, 0, 0),
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#if NR_CPUS > 8
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PACAINITDATA( 8, 0, NULL, 0, 0),
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PACAINITDATA( 9, 0, NULL, 0, 0),
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PACAINITDATA(10, 0, NULL, 0, 0),
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PACAINITDATA(11, 0, NULL, 0, 0),
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PACAINITDATA(12, 0, NULL, 0, 0),
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PACAINITDATA(13, 0, NULL, 0, 0),
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PACAINITDATA(14, 0, NULL, 0, 0),
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PACAINITDATA(15, 0, NULL, 0, 0),
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PACAINITDATA(16, 0, NULL, 0, 0),
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PACAINITDATA(17, 0, NULL, 0, 0),
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PACAINITDATA(18, 0, NULL, 0, 0),
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PACAINITDATA(19, 0, NULL, 0, 0),
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PACAINITDATA(20, 0, NULL, 0, 0),
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PACAINITDATA(21, 0, NULL, 0, 0),
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PACAINITDATA(22, 0, NULL, 0, 0),
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PACAINITDATA(23, 0, NULL, 0, 0),
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PACAINITDATA(24, 0, NULL, 0, 0),
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PACAINITDATA(25, 0, NULL, 0, 0),
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PACAINITDATA(26, 0, NULL, 0, 0),
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PACAINITDATA(27, 0, NULL, 0, 0),
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PACAINITDATA(28, 0, NULL, 0, 0),
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PACAINITDATA(29, 0, NULL, 0, 0),
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PACAINITDATA(30, 0, NULL, 0, 0),
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PACAINITDATA(31, 0, NULL, 0, 0),
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#if NR_CPUS > 32
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PACAINITDATA(32, 0, NULL, 0, 0),
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PACAINITDATA(33, 0, NULL, 0, 0),
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PACAINITDATA(34, 0, NULL, 0, 0),
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PACAINITDATA(35, 0, NULL, 0, 0),
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PACAINITDATA(36, 0, NULL, 0, 0),
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PACAINITDATA(37, 0, NULL, 0, 0),
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PACAINITDATA(38, 0, NULL, 0, 0),
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PACAINITDATA(39, 0, NULL, 0, 0),
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PACAINITDATA(40, 0, NULL, 0, 0),
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PACAINITDATA(41, 0, NULL, 0, 0),
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PACAINITDATA(42, 0, NULL, 0, 0),
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PACAINITDATA(43, 0, NULL, 0, 0),
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PACAINITDATA(44, 0, NULL, 0, 0),
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PACAINITDATA(45, 0, NULL, 0, 0),
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PACAINITDATA(46, 0, NULL, 0, 0),
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PACAINITDATA(47, 0, NULL, 0, 0),
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PACAINITDATA(48, 0, NULL, 0, 0),
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PACAINITDATA(49, 0, NULL, 0, 0),
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PACAINITDATA(50, 0, NULL, 0, 0),
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PACAINITDATA(51, 0, NULL, 0, 0),
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PACAINITDATA(52, 0, NULL, 0, 0),
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PACAINITDATA(53, 0, NULL, 0, 0),
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PACAINITDATA(54, 0, NULL, 0, 0),
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PACAINITDATA(55, 0, NULL, 0, 0),
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PACAINITDATA(56, 0, NULL, 0, 0),
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PACAINITDATA(57, 0, NULL, 0, 0),
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PACAINITDATA(58, 0, NULL, 0, 0),
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PACAINITDATA(59, 0, NULL, 0, 0),
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PACAINITDATA(60, 0, NULL, 0, 0),
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PACAINITDATA(61, 0, NULL, 0, 0),
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PACAINITDATA(62, 0, NULL, 0, 0),
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PACAINITDATA(63, 0, NULL, 0, 0),
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#if NR_CPUS > 64
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PACAINITDATA(64, 0, NULL, 0, 0),
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PACAINITDATA(65, 0, NULL, 0, 0),
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PACAINITDATA(66, 0, NULL, 0, 0),
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PACAINITDATA(67, 0, NULL, 0, 0),
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PACAINITDATA(68, 0, NULL, 0, 0),
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PACAINITDATA(69, 0, NULL, 0, 0),
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PACAINITDATA(70, 0, NULL, 0, 0),
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PACAINITDATA(71, 0, NULL, 0, 0),
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PACAINITDATA(72, 0, NULL, 0, 0),
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PACAINITDATA(73, 0, NULL, 0, 0),
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PACAINITDATA(74, 0, NULL, 0, 0),
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PACAINITDATA(75, 0, NULL, 0, 0),
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PACAINITDATA(76, 0, NULL, 0, 0),
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PACAINITDATA(77, 0, NULL, 0, 0),
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PACAINITDATA(78, 0, NULL, 0, 0),
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PACAINITDATA(79, 0, NULL, 0, 0),
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PACAINITDATA(80, 0, NULL, 0, 0),
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PACAINITDATA(81, 0, NULL, 0, 0),
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PACAINITDATA(82, 0, NULL, 0, 0),
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PACAINITDATA(83, 0, NULL, 0, 0),
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PACAINITDATA(84, 0, NULL, 0, 0),
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PACAINITDATA(85, 0, NULL, 0, 0),
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PACAINITDATA(86, 0, NULL, 0, 0),
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PACAINITDATA(87, 0, NULL, 0, 0),
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PACAINITDATA(88, 0, NULL, 0, 0),
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PACAINITDATA(89, 0, NULL, 0, 0),
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PACAINITDATA(90, 0, NULL, 0, 0),
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PACAINITDATA(91, 0, NULL, 0, 0),
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PACAINITDATA(92, 0, NULL, 0, 0),
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PACAINITDATA(93, 0, NULL, 0, 0),
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PACAINITDATA(94, 0, NULL, 0, 0),
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PACAINITDATA(95, 0, NULL, 0, 0),
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PACAINITDATA(96, 0, NULL, 0, 0),
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PACAINITDATA(97, 0, NULL, 0, 0),
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PACAINITDATA(98, 0, NULL, 0, 0),
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PACAINITDATA(99, 0, NULL, 0, 0),
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PACAINITDATA(100, 0, NULL, 0, 0),
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PACAINITDATA(101, 0, NULL, 0, 0),
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PACAINITDATA(102, 0, NULL, 0, 0),
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PACAINITDATA(103, 0, NULL, 0, 0),
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PACAINITDATA(104, 0, NULL, 0, 0),
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PACAINITDATA(105, 0, NULL, 0, 0),
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PACAINITDATA(106, 0, NULL, 0, 0),
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PACAINITDATA(107, 0, NULL, 0, 0),
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PACAINITDATA(108, 0, NULL, 0, 0),
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PACAINITDATA(109, 0, NULL, 0, 0),
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PACAINITDATA(110, 0, NULL, 0, 0),
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PACAINITDATA(111, 0, NULL, 0, 0),
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PACAINITDATA(112, 0, NULL, 0, 0),
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PACAINITDATA(113, 0, NULL, 0, 0),
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PACAINITDATA(114, 0, NULL, 0, 0),
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PACAINITDATA(115, 0, NULL, 0, 0),
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PACAINITDATA(116, 0, NULL, 0, 0),
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PACAINITDATA(117, 0, NULL, 0, 0),
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PACAINITDATA(118, 0, NULL, 0, 0),
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PACAINITDATA(119, 0, NULL, 0, 0),
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PACAINITDATA(120, 0, NULL, 0, 0),
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PACAINITDATA(121, 0, NULL, 0, 0),
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PACAINITDATA(122, 0, NULL, 0, 0),
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PACAINITDATA(123, 0, NULL, 0, 0),
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PACAINITDATA(124, 0, NULL, 0, 0),
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PACAINITDATA(125, 0, NULL, 0, 0),
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PACAINITDATA(126, 0, NULL, 0, 0),
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PACAINITDATA(127, 0, NULL, 0, 0),
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#endif
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#endif
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#endif
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#endif
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#endif
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};
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EXPORT_SYMBOL(paca);
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