cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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hwrpb.h (7065B)


      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef __ALPHA_HWRPB_H
      3#define __ALPHA_HWRPB_H
      4
      5#define INIT_HWRPB ((struct hwrpb_struct *) 0x10000000)
      6
      7/*
      8 * DEC processor types for Alpha systems.  Found in HWRPB.
      9 * These values are architected.
     10 */
     11
     12#define EV3_CPU                 1       /* EV3                  */
     13#define EV4_CPU                 2       /* EV4 (21064)          */
     14#define LCA4_CPU                4       /* LCA4 (21066/21068)   */
     15#define EV5_CPU                 5       /* EV5 (21164)          */
     16#define EV45_CPU                6       /* EV4.5 (21064/xxx)    */
     17#define EV56_CPU		7	/* EV5.6 (21164)	*/
     18#define EV6_CPU			8	/* EV6 (21264)		*/
     19#define PCA56_CPU		9	/* PCA56 (21164PC)	*/
     20#define PCA57_CPU		10	/* PCA57 (notyet)	*/
     21#define EV67_CPU		11	/* EV67 (21264A)	*/
     22#define EV68CB_CPU		12	/* EV68CB (21264C)	*/
     23#define EV68AL_CPU		13	/* EV68AL (21264B)	*/
     24#define EV68CX_CPU		14	/* EV68CX (21264D)	*/
     25#define EV7_CPU			15	/* EV7 (21364)		*/
     26#define EV79_CPU		16	/* EV79 (21364??)	*/
     27#define EV69_CPU		17	/* EV69 (21264/EV69A)	*/
     28
     29/*
     30 * DEC system types for Alpha systems.  Found in HWRPB.
     31 * These values are architected.
     32 */
     33
     34#define ST_ADU			  1	/* Alpha ADU systype	*/
     35#define ST_DEC_4000		  2	/* Cobra systype	*/
     36#define ST_DEC_7000		  3	/* Ruby systype		*/
     37#define ST_DEC_3000_500		  4	/* Flamingo systype	*/
     38#define ST_DEC_2000_300		  6	/* Jensen systype	*/
     39#define ST_DEC_3000_300		  7	/* Pelican systype	*/
     40#define ST_DEC_2100_A500	  9	/* Sable systype	*/
     41#define ST_DEC_AXPVME_64	 10	/* AXPvme system type	*/
     42#define ST_DEC_AXPPCI_33	 11	/* NoName system type	*/
     43#define ST_DEC_TLASER		 12	/* Turbolaser systype	*/
     44#define ST_DEC_2100_A50		 13	/* Avanti systype	*/
     45#define ST_DEC_MUSTANG		 14	/* Mustang systype	*/
     46#define ST_DEC_ALCOR		 15	/* Alcor (EV5) systype	*/
     47#define ST_DEC_1000		 17	/* Mikasa systype	*/
     48#define ST_DEC_EB64		 18	/* EB64 systype		*/
     49#define ST_DEC_EB66		 19	/* EB66 systype		*/
     50#define ST_DEC_EB64P		 20	/* EB64+ systype	*/
     51#define ST_DEC_BURNS		 21	/* laptop systype	*/
     52#define ST_DEC_RAWHIDE		 22	/* Rawhide systype	*/
     53#define ST_DEC_K2		 23	/* K2 systype		*/
     54#define ST_DEC_LYNX		 24	/* Lynx systype		*/
     55#define ST_DEC_XL		 25	/* Alpha XL systype	*/
     56#define ST_DEC_EB164		 26	/* EB164 systype	*/
     57#define ST_DEC_NORITAKE		 27	/* Noritake systype	*/
     58#define ST_DEC_CORTEX		 28	/* Cortex systype	*/
     59#define ST_DEC_MIATA		 30	/* Miata systype        */
     60#define ST_DEC_XXM		 31	/* XXM systype		*/
     61#define ST_DEC_TAKARA		 32	/* Takara systype	*/
     62#define ST_DEC_YUKON		 33	/* Yukon systype	*/
     63#define ST_DEC_TSUNAMI		 34	/* Tsunami systype	*/
     64#define ST_DEC_WILDFIRE		 35	/* Wildfire systype	*/
     65#define ST_DEC_CUSCO		 36	/* CUSCO systype	*/
     66#define ST_DEC_EIGER		 37	/* Eiger systype	*/
     67#define ST_DEC_TITAN		 38	/* Titan systype	*/
     68#define ST_DEC_MARVEL		 39	/* Marvel systype	*/
     69
     70/* UNOFFICIAL!!! */
     71#define ST_UNOFFICIAL_BIAS	100
     72#define ST_DTI_RUFFIAN		101	/* RUFFIAN systype	*/
     73
     74/* Alpha Processor, Inc. systems */
     75#define ST_API_BIAS		200
     76#define ST_API_NAUTILUS		201	/* UP1000 systype	*/
     77
     78struct pcb_struct {
     79	unsigned long ksp;
     80	unsigned long usp;
     81	unsigned long ptbr;
     82	unsigned int pcc;
     83	unsigned int asn;
     84	unsigned long unique;
     85	unsigned long flags;
     86	unsigned long res1, res2;
     87};
     88
     89struct percpu_struct {
     90	unsigned long hwpcb[16];
     91	unsigned long flags;
     92	unsigned long pal_mem_size;
     93	unsigned long pal_scratch_size;
     94	unsigned long pal_mem_pa;
     95	unsigned long pal_scratch_pa;
     96	unsigned long pal_revision;
     97	unsigned long type;
     98	unsigned long variation;
     99	unsigned long revision;
    100	unsigned long serial_no[2];
    101	unsigned long logout_area_pa;
    102	unsigned long logout_area_len;
    103	unsigned long halt_PCBB;
    104	unsigned long halt_PC;
    105	unsigned long halt_PS;
    106	unsigned long halt_arg;
    107	unsigned long halt_ra;
    108	unsigned long halt_pv;
    109	unsigned long halt_reason;
    110	unsigned long res;
    111	unsigned long ipc_buffer[21];
    112	unsigned long palcode_avail[16];
    113	unsigned long compatibility;
    114	unsigned long console_data_log_pa;
    115	unsigned long console_data_log_length;
    116	unsigned long bcache_info;
    117};
    118
    119struct procdesc_struct {
    120	unsigned long weird_vms_stuff;
    121	unsigned long address;
    122};
    123
    124struct vf_map_struct {
    125	unsigned long va;
    126	unsigned long pa;
    127	unsigned long count;
    128};
    129
    130struct crb_struct {
    131	struct procdesc_struct * dispatch_va;
    132	struct procdesc_struct * dispatch_pa;
    133	struct procdesc_struct * fixup_va;
    134	struct procdesc_struct * fixup_pa;
    135	/* virtual->physical map */
    136	unsigned long map_entries;
    137	unsigned long map_pages;
    138	struct vf_map_struct map[1];
    139};
    140
    141struct memclust_struct {
    142	unsigned long start_pfn;
    143	unsigned long numpages;
    144	unsigned long numtested;
    145	unsigned long bitmap_va;
    146	unsigned long bitmap_pa;
    147	unsigned long bitmap_chksum;
    148	unsigned long usage;
    149};
    150
    151struct memdesc_struct {
    152	unsigned long chksum;
    153	unsigned long optional_pa;
    154	unsigned long numclusters;
    155	struct memclust_struct cluster[];
    156};
    157
    158struct dsr_struct {
    159	long smm;			/* SMM nubber used by LMF       */
    160	unsigned long  lurt_off;	/* offset to LURT table         */
    161	unsigned long  sysname_off;	/* offset to sysname char count */
    162};
    163
    164struct hwrpb_struct {
    165	unsigned long phys_addr;	/* check: physical address of the hwrpb */
    166	unsigned long id;		/* check: "HWRPB\0\0\0" */
    167	unsigned long revision;	
    168	unsigned long size;		/* size of hwrpb */
    169	unsigned long cpuid;
    170	unsigned long pagesize;		/* 8192, I hope */
    171	unsigned long pa_bits;		/* number of physical address bits */
    172	unsigned long max_asn;
    173	unsigned char ssn[16];		/* system serial number: big bother is watching */
    174	unsigned long sys_type;
    175	unsigned long sys_variation;
    176	unsigned long sys_revision;
    177	unsigned long intr_freq;	/* interval clock frequency * 4096 */
    178	unsigned long cycle_freq;	/* cycle counter frequency */
    179	unsigned long vptb;		/* Virtual Page Table Base address */
    180	unsigned long res1;
    181	unsigned long tbhb_offset;	/* Translation Buffer Hint Block */
    182	unsigned long nr_processors;
    183	unsigned long processor_size;
    184	unsigned long processor_offset;
    185	unsigned long ctb_nr;
    186	unsigned long ctb_size;		/* console terminal block size */
    187	unsigned long ctbt_offset;	/* console terminal block table offset */
    188	unsigned long crb_offset;	/* console callback routine block */
    189	unsigned long mddt_offset;	/* memory data descriptor table */
    190	unsigned long cdb_offset;	/* configuration data block (or NULL) */
    191	unsigned long frut_offset;	/* FRU table (or NULL) */
    192	void (*save_terminal)(unsigned long);
    193	unsigned long save_terminal_data;
    194	void (*restore_terminal)(unsigned long);
    195	unsigned long restore_terminal_data;
    196	void (*CPU_restart)(unsigned long);
    197	unsigned long CPU_restart_data;
    198	unsigned long res2;
    199	unsigned long res3;
    200	unsigned long chksum;
    201	unsigned long rxrdy;
    202	unsigned long txrdy;
    203	unsigned long dsr_offset;	/* "Dynamic System Recognition Data Block Table" */
    204};
    205
    206#ifdef __KERNEL__
    207
    208extern struct hwrpb_struct *hwrpb;
    209
    210static inline void
    211hwrpb_update_checksum(struct hwrpb_struct *h)
    212{
    213	unsigned long sum = 0, *l;
    214        for (l = (unsigned long *) h; l < (unsigned long *) &h->chksum; ++l)
    215                sum += *l;
    216        h->chksum = sum;
    217}
    218
    219#endif /* __KERNEL__ */
    220
    221#endif /* __ALPHA_HWRPB_H */