| /* |
| * 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); |
