144 lines
5.2 KiB
C
144 lines
5.2 KiB
C
/*
|
|
* 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).
|
|
*/
|
|
#define PACA_INIT_COMMON(number, start, 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, \
|
|
.vmxregs_in_use = 0, \
|
|
}, \
|
|
|
|
#ifdef CONFIG_PPC_ISERIES
|
|
#define PACA_INIT_ISERIES(number) \
|
|
.lppaca_ptr = &paca[number].lppaca, \
|
|
.reg_save_ptr = &paca[number].reg_save, \
|
|
.reg_save = { \
|
|
.xDesc = 0xd397d9e2, /* "LpRS" */ \
|
|
.xSize = sizeof(struct ItLpRegSave) \
|
|
}
|
|
|
|
#define PACA_INIT(number) \
|
|
{ \
|
|
PACA_INIT_COMMON(number, 0, 0, 0) \
|
|
PACA_INIT_ISERIES(number) \
|
|
}
|
|
|
|
#define BOOTCPU_PACA_INIT(number) \
|
|
{ \
|
|
PACA_INIT_COMMON(number, 1, 0, (u64)&initial_stab) \
|
|
PACA_INIT_ISERIES(number) \
|
|
}
|
|
|
|
#else
|
|
#define PACA_INIT(number) \
|
|
{ \
|
|
PACA_INIT_COMMON(number, 0, 0, 0) \
|
|
}
|
|
|
|
#define BOOTCPU_PACA_INIT(number) \
|
|
{ \
|
|
PACA_INIT_COMMON(number, 1, STAB0_PHYS_ADDR, (u64)&initial_stab) \
|
|
}
|
|
#endif
|
|
|
|
struct paca_struct paca[] = {
|
|
BOOTCPU_PACA_INIT(0),
|
|
#if NR_CPUS > 1
|
|
PACA_INIT( 1), PACA_INIT( 2), PACA_INIT( 3),
|
|
#if NR_CPUS > 4
|
|
PACA_INIT( 4), PACA_INIT( 5), PACA_INIT( 6), PACA_INIT( 7),
|
|
#if NR_CPUS > 8
|
|
PACA_INIT( 8), PACA_INIT( 9), PACA_INIT( 10), PACA_INIT( 11),
|
|
PACA_INIT( 12), PACA_INIT( 13), PACA_INIT( 14), PACA_INIT( 15),
|
|
PACA_INIT( 16), PACA_INIT( 17), PACA_INIT( 18), PACA_INIT( 19),
|
|
PACA_INIT( 20), PACA_INIT( 21), PACA_INIT( 22), PACA_INIT( 23),
|
|
PACA_INIT( 24), PACA_INIT( 25), PACA_INIT( 26), PACA_INIT( 27),
|
|
PACA_INIT( 28), PACA_INIT( 29), PACA_INIT( 30), PACA_INIT( 31),
|
|
#if NR_CPUS > 32
|
|
PACA_INIT( 32), PACA_INIT( 33), PACA_INIT( 34), PACA_INIT( 35),
|
|
PACA_INIT( 36), PACA_INIT( 37), PACA_INIT( 38), PACA_INIT( 39),
|
|
PACA_INIT( 40), PACA_INIT( 41), PACA_INIT( 42), PACA_INIT( 43),
|
|
PACA_INIT( 44), PACA_INIT( 45), PACA_INIT( 46), PACA_INIT( 47),
|
|
PACA_INIT( 48), PACA_INIT( 49), PACA_INIT( 50), PACA_INIT( 51),
|
|
PACA_INIT( 52), PACA_INIT( 53), PACA_INIT( 54), PACA_INIT( 55),
|
|
PACA_INIT( 56), PACA_INIT( 57), PACA_INIT( 58), PACA_INIT( 59),
|
|
PACA_INIT( 60), PACA_INIT( 61), PACA_INIT( 62), PACA_INIT( 63),
|
|
#if NR_CPUS > 64
|
|
PACA_INIT( 64), PACA_INIT( 65), PACA_INIT( 66), PACA_INIT( 67),
|
|
PACA_INIT( 68), PACA_INIT( 69), PACA_INIT( 70), PACA_INIT( 71),
|
|
PACA_INIT( 72), PACA_INIT( 73), PACA_INIT( 74), PACA_INIT( 75),
|
|
PACA_INIT( 76), PACA_INIT( 77), PACA_INIT( 78), PACA_INIT( 79),
|
|
PACA_INIT( 80), PACA_INIT( 81), PACA_INIT( 82), PACA_INIT( 83),
|
|
PACA_INIT( 84), PACA_INIT( 85), PACA_INIT( 86), PACA_INIT( 87),
|
|
PACA_INIT( 88), PACA_INIT( 89), PACA_INIT( 90), PACA_INIT( 91),
|
|
PACA_INIT( 92), PACA_INIT( 93), PACA_INIT( 94), PACA_INIT( 95),
|
|
PACA_INIT( 96), PACA_INIT( 97), PACA_INIT( 98), PACA_INIT( 99),
|
|
PACA_INIT(100), PACA_INIT(101), PACA_INIT(102), PACA_INIT(103),
|
|
PACA_INIT(104), PACA_INIT(105), PACA_INIT(106), PACA_INIT(107),
|
|
PACA_INIT(108), PACA_INIT(109), PACA_INIT(110), PACA_INIT(111),
|
|
PACA_INIT(112), PACA_INIT(113), PACA_INIT(114), PACA_INIT(115),
|
|
PACA_INIT(116), PACA_INIT(117), PACA_INIT(118), PACA_INIT(119),
|
|
PACA_INIT(120), PACA_INIT(121), PACA_INIT(122), PACA_INIT(123),
|
|
PACA_INIT(124), PACA_INIT(125), PACA_INIT(126), PACA_INIT(127),
|
|
#endif
|
|
#endif
|
|
#endif
|
|
#endif
|
|
#endif
|
|
};
|
|
EXPORT_SYMBOL(paca);
|