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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macros.fuc (11972B)


      1/*
      2 * Copyright 2013 Red Hat Inc.
      3 *
      4 * Permission is hereby granted, free of charge, to any person obtaining a
      5 * copy of this software and associated documentation files (the "Software"),
      6 * to deal in the Software without restriction, including without limitation
      7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8 * and/or sell copies of the Software, and to permit persons to whom the
      9 * Software is furnished to do so, subject to the following conditions:
     10 *
     11 * The above copyright notice and this permission notice shall be included in
     12 * all copies or substantial portions of the Software.
     13 *
     14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     20 * OTHER DEALINGS IN THE SOFTWARE.
     21 *
     22 * Authors: Ben Skeggs
     23 */
     24
     25#define GT215 0xa3
     26#define GF100 0xc0
     27#define GF119 0xd9
     28#define GK208 0x108
     29
     30#include "os.h"
     31
     32// IO addresses
     33#define NV_PPWR_INTR_TRIGGER                                             0x0000
     34#define NV_PPWR_INTR_TRIGGER_USER1                                   0x00000080
     35#define NV_PPWR_INTR_TRIGGER_USER0                                   0x00000040
     36#define NV_PPWR_INTR_ACK                                                 0x0004
     37#define NV_PPWR_INTR_ACK_SUBINTR                                     0x00000800
     38#define NV_PPWR_INTR_ACK_WATCHDOG                                    0x00000002
     39#define NV_PPWR_INTR                                                     0x0008
     40#define NV_PPWR_INTR_SUBINTR                                         0x00000800
     41#define NV_PPWR_INTR_USER1                                           0x00000080
     42#define NV_PPWR_INTR_USER0                                           0x00000040
     43#define NV_PPWR_INTR_PAUSE                                           0x00000020
     44#define NV_PPWR_INTR_WATCHDOG                                        0x00000002
     45#define NV_PPWR_INTR_EN_SET                                              0x0010
     46#define NV_PPWR_INTR_EN_SET_SUBINTR                                  0x00000800
     47#define NV_PPWR_INTR_EN_SET_WATCHDOG                                 0x00000002
     48#define NV_PPWR_INTR_EN_CLR                                              0x0014
     49#define NV_PPWR_INTR_EN_CLR_MASK                    /* fuck i hate envyas */ -1
     50#define NV_PPWR_INTR_ROUTE                                               0x001c
     51#define NV_PPWR_TIMER_LOW                                                0x002c
     52#define NV_PPWR_WATCHDOG_TIME                                            0x0034
     53#define NV_PPWR_WATCHDOG_ENABLE                                          0x0038
     54#define NV_PPWR_CAPS                                                     0x0108
     55#define NV_PPWR_UAS_CONFIG                                               0x0164
     56#define NV_PPWR_UAS_CONFIG_ENABLE                                    0x00010000
     57#if NVKM_PPWR_CHIPSET >= GK208
     58#define NV_PPWR_DSCRATCH(i)                                   (4 * (i) + 0x0450)
     59#endif
     60#define NV_PPWR_FIFO_PUT(i)                                   (4 * (i) + 0x04a0)
     61#define NV_PPWR_FIFO_GET(i)                                   (4 * (i) + 0x04b0)
     62#define NV_PPWR_FIFO_INTR                                                0x04c0
     63#define NV_PPWR_FIFO_INTR_EN                                             0x04c4
     64#define NV_PPWR_RFIFO_PUT                                                0x04c8
     65#define NV_PPWR_RFIFO_GET                                                0x04cc
     66#define NV_PPWR_H2D                                                      0x04d0
     67#define NV_PPWR_D2H                                                      0x04dc
     68#if NVKM_PPWR_CHIPSET < GK208
     69#define NV_PPWR_DSCRATCH(i)                                   (4 * (i) + 0x05d0)
     70#endif
     71#define NV_PPWR_SUBINTR                                                  0x0688
     72#define NV_PPWR_SUBINTR_FIFO                                         0x00000002
     73#define NV_PPWR_MMIO_ADDR                                                0x07a0
     74#define NV_PPWR_MMIO_DATA                                                0x07a4
     75#define NV_PPWR_MMIO_CTRL                                                0x07ac
     76#define NV_PPWR_MMIO_CTRL_TRIGGER                                    0x00010000
     77#define NV_PPWR_MMIO_CTRL_STATUS                                     0x00007000
     78#define NV_PPWR_MMIO_CTRL_STATUS_IDLE                                0x00000000
     79#define NV_PPWR_MMIO_CTRL_MASK                                       0x000000f0
     80#define NV_PPWR_MMIO_CTRL_MASK_B32_0                                 0x000000f0
     81#define NV_PPWR_MMIO_CTRL_OP                                         0x00000003
     82#define NV_PPWR_MMIO_CTRL_OP_RD                                      0x00000001
     83#define NV_PPWR_MMIO_CTRL_OP_WR                                      0x00000002
     84#define NV_PPWR_OUTPUT                                                   0x07c0
     85#define NV_PPWR_OUTPUT_FB_PAUSE                                      0x00000004
     86#if NVKM_PPWR_CHIPSET < GF119
     87#define NV_PPWR_OUTPUT_I2C_3_SCL                                     0x00000100
     88#define NV_PPWR_OUTPUT_I2C_3_SDA                                     0x00000200
     89#define NV_PPWR_OUTPUT_I2C_0_SCL                                     0x00001000
     90#define NV_PPWR_OUTPUT_I2C_0_SDA                                     0x00002000
     91#define NV_PPWR_OUTPUT_I2C_1_SCL                                     0x00004000
     92#define NV_PPWR_OUTPUT_I2C_1_SDA                                     0x00008000
     93#define NV_PPWR_OUTPUT_I2C_2_SCL                                     0x00010000
     94#define NV_PPWR_OUTPUT_I2C_2_SDA                                     0x00020000
     95#define NV_PPWR_OUTPUT_I2C_4_SCL                                     0x00040000
     96#define NV_PPWR_OUTPUT_I2C_4_SDA                                     0x00080000
     97#define NV_PPWR_OUTPUT_I2C_5_SCL                                     0x00100000
     98#define NV_PPWR_OUTPUT_I2C_5_SDA                                     0x00200000
     99#define NV_PPWR_OUTPUT_I2C_6_SCL                                     0x00400000
    100#define NV_PPWR_OUTPUT_I2C_6_SDA                                     0x00800000
    101#define NV_PPWR_OUTPUT_I2C_7_SCL                                     0x01000000
    102#define NV_PPWR_OUTPUT_I2C_7_SDA                                     0x02000000
    103#define NV_PPWR_OUTPUT_I2C_8_SCL                                     0x04000000
    104#define NV_PPWR_OUTPUT_I2C_8_SDA                                     0x08000000
    105#define NV_PPWR_OUTPUT_I2C_9_SCL                                     0x10000000
    106#define NV_PPWR_OUTPUT_I2C_9_SDA                                     0x20000000
    107#else
    108#define NV_PPWR_OUTPUT_I2C_0_SCL                                     0x00000400
    109#define NV_PPWR_OUTPUT_I2C_1_SCL                                     0x00000800
    110#define NV_PPWR_OUTPUT_I2C_2_SCL                                     0x00001000
    111#define NV_PPWR_OUTPUT_I2C_3_SCL                                     0x00002000
    112#define NV_PPWR_OUTPUT_I2C_4_SCL                                     0x00004000
    113#define NV_PPWR_OUTPUT_I2C_5_SCL                                     0x00008000
    114#define NV_PPWR_OUTPUT_I2C_6_SCL                                     0x00010000
    115#define NV_PPWR_OUTPUT_I2C_7_SCL                                     0x00020000
    116#define NV_PPWR_OUTPUT_I2C_8_SCL                                     0x00040000
    117#define NV_PPWR_OUTPUT_I2C_9_SCL                                     0x00080000
    118#define NV_PPWR_OUTPUT_I2C_0_SDA                                     0x00100000
    119#define NV_PPWR_OUTPUT_I2C_1_SDA                                     0x00200000
    120#define NV_PPWR_OUTPUT_I2C_2_SDA                                     0x00400000
    121#define NV_PPWR_OUTPUT_I2C_3_SDA                                     0x00800000
    122#define NV_PPWR_OUTPUT_I2C_4_SDA                                     0x01000000
    123#define NV_PPWR_OUTPUT_I2C_5_SDA                                     0x02000000
    124#define NV_PPWR_OUTPUT_I2C_6_SDA                                     0x04000000
    125#define NV_PPWR_OUTPUT_I2C_7_SDA                                     0x08000000
    126#define NV_PPWR_OUTPUT_I2C_8_SDA                                     0x10000000
    127#define NV_PPWR_OUTPUT_I2C_9_SDA                                     0x20000000
    128#endif
    129#define NV_PPWR_INPUT                                                    0x07c4
    130#define NV_PPWR_OUTPUT_SET                                               0x07e0
    131#define NV_PPWR_OUTPUT_SET_FB_PAUSE                                  0x00000004
    132#define NV_PPWR_OUTPUT_CLR                                               0x07e4
    133#define NV_PPWR_OUTPUT_CLR_FB_PAUSE                                  0x00000004
    134
    135// Inter-process message format
    136.equ #msg_process 0x00 /* send() target, recv() sender */
    137.equ #msg_message 0x04
    138.equ #msg_data0   0x08
    139.equ #msg_data1   0x0c
    140
    141// Kernel message IDs
    142#define KMSG_FIFO  0x00000000
    143#define KMSG_ALARM 0x00000001
    144
    145// Process message queue description
    146.equ #proc_qlen 4 // log2(size of queue entry in bytes)
    147.equ #proc_qnum 2 // log2(max number of entries in queue)
    148.equ #proc_qmaskb (1 << #proc_qnum) // max number of entries in queue
    149.equ #proc_qmaskp (#proc_qmaskb - 1)
    150.equ #proc_qmaskf ((#proc_qmaskb << 1) - 1)
    151.equ #proc_qsize  (1 << (#proc_qlen + #proc_qnum))
    152
    153// Process table entry
    154.equ #proc_id    0x00
    155.equ #proc_init  0x04
    156.equ #proc_recv  0x08
    157.equ #proc_time  0x0c
    158.equ #proc_qput  0x10
    159.equ #proc_qget  0x14
    160.equ #proc_queue 0x18
    161.equ #proc_size (0x18 + #proc_qsize)
    162
    163#define process(id,init,recv) /*
    164*/	.b32 id /*
    165*/	.b32 init /*
    166*/	.b32 recv /*
    167*/	.b32 0 /*
    168*/	.b32 0 /*
    169*/	.b32 0 /*
    170*/	.skip 64
    171
    172#if NVKM_PPWR_CHIPSET < GK208
    173#define imm32(reg,val) /*
    174*/	movw reg  ((val) & 0x0000ffff) /*
    175*/	sethi reg ((val) & 0xffff0000)
    176#else
    177#define imm32(reg,val) /*
    178*/	mov reg (val)
    179#endif
    180
    181#ifndef NVKM_FALCON_UNSHIFTED_IO
    182#define nv_iord(reg,ior) /*
    183*/	mov reg ior /*
    184*/ 	shl b32 reg 6 /*
    185*/ 	iord reg I[reg + 0x000]
    186#else
    187#define nv_iord(reg,ior) /*
    188*/	mov reg ior /*
    189*/ 	iord reg I[reg + 0x000]
    190#endif
    191
    192#ifndef NVKM_FALCON_UNSHIFTED_IO
    193#define nv_iowr(ior,reg) /*
    194*/	mov $r0 ior /*
    195*/ 	shl b32 $r0 6 /*
    196*/ 	iowr I[$r0 + 0x000] reg /*
    197*/	clear b32 $r0
    198#else
    199#define nv_iowr(ior,reg) /*
    200*/	mov $r0 ior /*
    201*/ 	iowr I[$r0 + 0x000] reg /*
    202*/	clear b32 $r0
    203#endif
    204
    205#ifndef NVKM_FALCON_UNSHIFTED_IO
    206#define nv_iowrs(ior,reg) /*
    207*/	mov $r0 ior /*
    208*/ 	shl b32 $r0 6 /*
    209*/ 	iowrs I[$r0 + 0x000] reg /*
    210*/	clear b32 $r0
    211#else
    212#define nv_iowrs(ior,reg) /*
    213*/	mov $r0 ior /*
    214*/ 	iowrs I[$r0 + 0x000] reg /*
    215*/	clear b32 $r0
    216#endif
    217
    218#define hash #
    219#define fn(a) a
    220#ifndef NVKM_FALCON_PC24
    221#define call(a) call fn(hash)a
    222#else
    223#define call(a) lcall fn(hash)a
    224#endif
    225
    226#ifndef NVKM_FALCON_MMIO_UAS
    227#define nv_rd32(reg,addr) /*
    228*/	mov b32 $r14 addr /*
    229*/	call(rd32) /*
    230*/	mov b32 reg $r13
    231#else
    232#define nv_rd32(reg,addr) /*
    233*/ 	sethi $r0 0x14000000 /*
    234*/	or $r0 addr /*
    235*/	ld b32 reg D[$r0] /*
    236*/	clear b32 $r0
    237#endif
    238
    239#if !defined(NVKM_FALCON_MMIO_UAS) || defined(NVKM_FALCON_MMIO_TRAP)
    240#define nv_wr32(addr,reg) /*
    241*/	push addr /*
    242*/	push reg /*
    243*/	pop $r13 /*
    244*/	pop $r14 /*
    245*/	call(wr32)
    246#else
    247#define nv_wr32(addr,reg) /*
    248*/ 	sethi $r0 0x14000000 /*
    249*/	or $r0 addr /*
    250*/	st b32 D[$r0] reg /*
    251*/	clear b32 $r0
    252#endif
    253
    254#define st(size, addr, reg) /*
    255*/	imm32($r0, addr) /*
    256*/	st size D[$r0] reg /*
    257*/	clear b32 $r0
    258
    259#define ld(size, reg, addr) /*
    260*/	imm32($r0, addr)  /*
    261*/	ld size reg D[$r0] /*
    262*/	clear b32 $r0
    263
    264// does a 64+64 -> 64 unsigned addition (C = A + B)
    265#define addu64(reg_a_c_hi, reg_a_c_lo, b_hi, b_lo) /*
    266*/    add b32 reg_a_c_lo b_lo /*
    267*/    adc b32 reg_a_c_hi b_hi
    268
    269// does a 64+64 -> 64 substraction (C = A - B)
    270#define subu64(reg_a_c_hi, reg_a_c_lo, b_hi, b_lo) /*
    271*/    sub b32 reg_a_c_lo b_lo /*
    272*/    sbb b32 reg_a_c_hi b_hi