/*
 * c 2001 PPC 64 Team, IBM Corp
 *
 *      This program is free software; you can redistribute it and/or
 *      modify it under the terms of the GNU General Public License
 *      as published by the Free Software Foundation; either version
 *      2 of the License, or (at your option) any later version.
 */

#include <linux/config.h>
#include <linux/types.h>
#include <linux/threads.h>
#include <linux/module.h>

#include <asm/processor.h>
#include <asm/ptrace.h>
#include <asm/page.h>

#include <asm/lppaca.h>
#include <asm/iSeries/ItLpQueue.h>
#include <asm/paca.h>

static union {
	struct systemcfg	data;
	u8			page[PAGE_SIZE];
} systemcfg_store __page_aligned;
struct systemcfg *systemcfg = &systemcfg_store.data;
EXPORT_SYMBOL(systemcfg);


/* This symbol is provided by the linker - let it fill in the paca
 * field correctly */
extern unsigned long __toc_start;

/* The Paca is an array with one entry per processor.  Each contains an 
 * lppaca, which contains the information shared between the
 * hypervisor and Linux.  Each also contains an ItLpRegSave area which
 * is used by the hypervisor to save registers.
 * On systems with hardware multi-threading, there are two threads
 * per processor.  The Paca array must contain an entry for each thread.
 * The VPD Areas will give a max logical processors = 2 * max physical
 * processors.  The processor VPD array needs one entry per physical
 * processor (not thread).
 */
#ifdef CONFIG_PPC_ISERIES
#define EXTRA_INITS(number, lpq)					    \
	.lppaca_ptr = &paca[number].lppaca,				    \
	.lpqueue_ptr = (lpq),		/* &xItLpQueue, */		    \
	.reg_save_ptr = &paca[number].reg_save,				    \
	.reg_save = {							    \
		.xDesc = 0xd397d9e2,	/* "LpRS" */			    \
		.xSize = sizeof(struct ItLpRegSave)			    \
	},
#else
#define EXTRA_INITS(number, lpq)
#endif

#define PACAINITDATA(number,start,lpq,asrr,asrv)			    \
{									    \
	.lock_token = 0x8000,						    \
	.paca_index = (number),		/* Paca Index */		    \
	.default_decr = 0x00ff0000,	/* Initial Decr */		    \
	.kernel_toc = (unsigned long)(&__toc_start) + 0x8000UL,		    \
	.stab_real = (asrr), 		/* Real pointer to segment table */ \
	.stab_addr = (asrv),		/* Virt pointer to segment table */ \
	.cpu_start = (start),		/* Processor start */		    \
	.hw_cpu_id = 0xffff,						    \
	.lppaca = {							    \
		.desc = 0xd397d781,	/* "LpPa" */			    \
		.size = sizeof(struct lppaca),				    \
		.dyn_proc_status = 2,					    \
		.decr_val = 0x00ff0000,					    \
		.fpregs_in_use = 1,					    \
		.end_of_quantum = 0xfffffffffffffffful,			    \
		.slb_count = 64,					    \
	},								    \
	EXTRA_INITS((number), (lpq))					    \
}

struct paca_struct paca[] = {
#ifdef CONFIG_PPC_ISERIES
	PACAINITDATA( 0, 1, &xItLpQueue, 0, STAB0_VIRT_ADDR),
#else
	PACAINITDATA( 0, 1, NULL, STAB0_PHYS_ADDR, STAB0_VIRT_ADDR),
#endif
#if NR_CPUS > 1
	PACAINITDATA( 1, 0, NULL, 0, 0),
	PACAINITDATA( 2, 0, NULL, 0, 0),
	PACAINITDATA( 3, 0, NULL, 0, 0),
#if NR_CPUS > 4
	PACAINITDATA( 4, 0, NULL, 0, 0),
	PACAINITDATA( 5, 0, NULL, 0, 0),
	PACAINITDATA( 6, 0, NULL, 0, 0),
	PACAINITDATA( 7, 0, NULL, 0, 0),
#if NR_CPUS > 8
	PACAINITDATA( 8, 0, NULL, 0, 0),
	PACAINITDATA( 9, 0, NULL, 0, 0),
	PACAINITDATA(10, 0, NULL, 0, 0),
	PACAINITDATA(11, 0, NULL, 0, 0),
	PACAINITDATA(12, 0, NULL, 0, 0),
	PACAINITDATA(13, 0, NULL, 0, 0),
	PACAINITDATA(14, 0, NULL, 0, 0),
	PACAINITDATA(15, 0, NULL, 0, 0),
	PACAINITDATA(16, 0, NULL, 0, 0),
	PACAINITDATA(17, 0, NULL, 0, 0),
	PACAINITDATA(18, 0, NULL, 0, 0),
	PACAINITDATA(19, 0, NULL, 0, 0),
	PACAINITDATA(20, 0, NULL, 0, 0),
	PACAINITDATA(21, 0, NULL, 0, 0),
	PACAINITDATA(22, 0, NULL, 0, 0),
	PACAINITDATA(23, 0, NULL, 0, 0),
	PACAINITDATA(24, 0, NULL, 0, 0),
	PACAINITDATA(25, 0, NULL, 0, 0),
	PACAINITDATA(26, 0, NULL, 0, 0),
	PACAINITDATA(27, 0, NULL, 0, 0),
	PACAINITDATA(28, 0, NULL, 0, 0),
	PACAINITDATA(29, 0, NULL, 0, 0),
	PACAINITDATA(30, 0, NULL, 0, 0),
	PACAINITDATA(31, 0, NULL, 0, 0),
#if NR_CPUS > 32
	PACAINITDATA(32, 0, NULL, 0, 0),
	PACAINITDATA(33, 0, NULL, 0, 0),
	PACAINITDATA(34, 0, NULL, 0, 0),
	PACAINITDATA(35, 0, NULL, 0, 0),
	PACAINITDATA(36, 0, NULL, 0, 0),
	PACAINITDATA(37, 0, NULL, 0, 0),
	PACAINITDATA(38, 0, NULL, 0, 0),
	PACAINITDATA(39, 0, NULL, 0, 0),
	PACAINITDATA(40, 0, NULL, 0, 0),
	PACAINITDATA(41, 0, NULL, 0, 0),
	PACAINITDATA(42, 0, NULL, 0, 0),
	PACAINITDATA(43, 0, NULL, 0, 0),
	PACAINITDATA(44, 0, NULL, 0, 0),
	PACAINITDATA(45, 0, NULL, 0, 0),
	PACAINITDATA(46, 0, NULL, 0, 0),
	PACAINITDATA(47, 0, NULL, 0, 0),
	PACAINITDATA(48, 0, NULL, 0, 0),
	PACAINITDATA(49, 0, NULL, 0, 0),
	PACAINITDATA(50, 0, NULL, 0, 0),
	PACAINITDATA(51, 0, NULL, 0, 0),
	PACAINITDATA(52, 0, NULL, 0, 0),
	PACAINITDATA(53, 0, NULL, 0, 0),
	PACAINITDATA(54, 0, NULL, 0, 0),
	PACAINITDATA(55, 0, NULL, 0, 0),
	PACAINITDATA(56, 0, NULL, 0, 0),
	PACAINITDATA(57, 0, NULL, 0, 0),
	PACAINITDATA(58, 0, NULL, 0, 0),
	PACAINITDATA(59, 0, NULL, 0, 0),
	PACAINITDATA(60, 0, NULL, 0, 0),
	PACAINITDATA(61, 0, NULL, 0, 0),
	PACAINITDATA(62, 0, NULL, 0, 0),
	PACAINITDATA(63, 0, NULL, 0, 0),
#if NR_CPUS > 64
	PACAINITDATA(64, 0, NULL, 0, 0),
	PACAINITDATA(65, 0, NULL, 0, 0),
	PACAINITDATA(66, 0, NULL, 0, 0),
	PACAINITDATA(67, 0, NULL, 0, 0),
	PACAINITDATA(68, 0, NULL, 0, 0),
	PACAINITDATA(69, 0, NULL, 0, 0),
	PACAINITDATA(70, 0, NULL, 0, 0),
	PACAINITDATA(71, 0, NULL, 0, 0),
	PACAINITDATA(72, 0, NULL, 0, 0),
	PACAINITDATA(73, 0, NULL, 0, 0),
	PACAINITDATA(74, 0, NULL, 0, 0),
	PACAINITDATA(75, 0, NULL, 0, 0),
	PACAINITDATA(76, 0, NULL, 0, 0),
	PACAINITDATA(77, 0, NULL, 0, 0),
	PACAINITDATA(78, 0, NULL, 0, 0),
	PACAINITDATA(79, 0, NULL, 0, 0),
	PACAINITDATA(80, 0, NULL, 0, 0),
	PACAINITDATA(81, 0, NULL, 0, 0),
	PACAINITDATA(82, 0, NULL, 0, 0),
	PACAINITDATA(83, 0, NULL, 0, 0),
	PACAINITDATA(84, 0, NULL, 0, 0),
	PACAINITDATA(85, 0, NULL, 0, 0),
	PACAINITDATA(86, 0, NULL, 0, 0),
	PACAINITDATA(87, 0, NULL, 0, 0),
	PACAINITDATA(88, 0, NULL, 0, 0),
	PACAINITDATA(89, 0, NULL, 0, 0),
	PACAINITDATA(90, 0, NULL, 0, 0),
	PACAINITDATA(91, 0, NULL, 0, 0),
	PACAINITDATA(92, 0, NULL, 0, 0),
	PACAINITDATA(93, 0, NULL, 0, 0),
	PACAINITDATA(94, 0, NULL, 0, 0),
	PACAINITDATA(95, 0, NULL, 0, 0),
	PACAINITDATA(96, 0, NULL, 0, 0),
	PACAINITDATA(97, 0, NULL, 0, 0),
	PACAINITDATA(98, 0, NULL, 0, 0),
	PACAINITDATA(99, 0, NULL, 0, 0),
	PACAINITDATA(100, 0, NULL, 0, 0),
	PACAINITDATA(101, 0, NULL, 0, 0),
	PACAINITDATA(102, 0, NULL, 0, 0),
	PACAINITDATA(103, 0, NULL, 0, 0),
	PACAINITDATA(104, 0, NULL, 0, 0),
	PACAINITDATA(105, 0, NULL, 0, 0),
	PACAINITDATA(106, 0, NULL, 0, 0),
	PACAINITDATA(107, 0, NULL, 0, 0),
	PACAINITDATA(108, 0, NULL, 0, 0),
	PACAINITDATA(109, 0, NULL, 0, 0),
	PACAINITDATA(110, 0, NULL, 0, 0),
	PACAINITDATA(111, 0, NULL, 0, 0),
	PACAINITDATA(112, 0, NULL, 0, 0),
	PACAINITDATA(113, 0, NULL, 0, 0),
	PACAINITDATA(114, 0, NULL, 0, 0),
	PACAINITDATA(115, 0, NULL, 0, 0),
	PACAINITDATA(116, 0, NULL, 0, 0),
	PACAINITDATA(117, 0, NULL, 0, 0),
	PACAINITDATA(118, 0, NULL, 0, 0),
	PACAINITDATA(119, 0, NULL, 0, 0),
	PACAINITDATA(120, 0, NULL, 0, 0),
	PACAINITDATA(121, 0, NULL, 0, 0),
	PACAINITDATA(122, 0, NULL, 0, 0),
	PACAINITDATA(123, 0, NULL, 0, 0),
	PACAINITDATA(124, 0, NULL, 0, 0),
	PACAINITDATA(125, 0, NULL, 0, 0),
	PACAINITDATA(126, 0, NULL, 0, 0),
	PACAINITDATA(127, 0, NULL, 0, 0),
#endif
#endif
#endif
#endif
#endif
};
EXPORT_SYMBOL(paca);