source: trunk/tools/arch_info/arch_info.h @ 457

Last change on this file since 457 was 457, checked in by alain, 3 years ago

This version modifies the exec syscall and fixes a large number of small bugs.
The version number has been updated (0.1)

File size: 9.8 KB
Line 
1/*
2 * archinfo.h - Hardware Architecture Information structures
3 *
4 * Author  Alain Greiner (2016)
5 *
6 * Copyright (c)  UPMC Sorbonne Universites
7 *
8 * This file is part of ALMOS-MKH.
9 *
10 * ALMOS-MKH is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; version 2.0 of the License.
13 *
14 * ALMOS-MKH is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17 * General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with ALMOS-MKH; if not, write to the Free Software Foundation,
21 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 */
23
24#ifndef _ARCHINFO_H_
25#define _ARCHINFO_H_
26
27/****************************************************************************************
28 * The ARCHINFO data structure describes a generic manycore hardware architecture:
29 * - The number of cluster is variable (can be one).
30 * - The cluster topology is variable (2D mesh or vector)
31 * - The number of cores per cluster is variable (can be zero).
32 * - The number of addressable component per cluster is variable.
33 * - The size of the physical memory bank per cluster is variable.
34 * An adressable device componentcan can be a physical memory bank or a peripheral.
35 * Each cluster cover a fixed size segment in physical address space.
36 *
37 * It is loaded from the block device by the ALMOS-MKH bootloader as a BLOB.
38 * The ARCHINFO structure has a three levels hierarchical organisation:
39 * - the architecture contains a variable number of clusters.
40 * - each cluster contains a variable number of cores and a variable number of devices.
41 * - some device contains a variable number of input IRQs.
42
43 * The BLOB is organised as the concatenation of a fixed size header,
44 * and 4 variable size arrays of fixed size objects in the following order:
45 * 1 : archinfo_core_t     core[] 
46 * 2 : archinfo_cluster_t  cluster[] 
47 * 3 : archinfo_device_t   device[]
48 * 4 : archinfo_irq_t      irq[]   
49 ***************************************************************************************/
50
51#include <hal_kernel_types.h>
52
53#define ARCHINFO_HEADER_SIZE   sizeof(archinfo_header_t)
54#define ARCHINFO_CLUSTER_SIZE  sizeof(archinfo_cluster_t)
55#define ARCHINFO_CORE_SIZE     sizeof(archinfo_core_t)
56#define ARCHINFO_IRQ_SIZE      sizeof(archinfo_irq_t)
57#define ARCHINFO_DEVICE_SIZE   sizeof(archinfo_device_t)
58
59#define ARCHINFO_SIGNATURE   0xBABE2016
60
61/****************************************************************************************
62 * This enum defines the supported device types.
63 * The 16 MSB bits define the functionnal type.
64 * The 16 LSB bits define the implementation type.
65 * It must be consistent with values defined in files arch_class.py, and device.*
66 ***************************************************************************************/
67
68enum deviceTypes
69{
70    DEV_TYPE_RAM_SCL   = 0x00000000,
71    DEV_TYPE_ROM_SCL   = 0x00010000,
72    DEV_TYPE_FBF_SCL   = 0x00020000,
73    DEV_TYPE_IOB_TSR   = 0x00030000,
74    DEV_TYPE_IOC_BDV   = 0x00040000,
75    DEV_TYPE_IOC_HBA   = 0x00040001,
76    DEV_TYPE_IOC_SDC   = 0x00040002,
77    DEV_TYPE_IOC_SPI   = 0x00040003,
78    DEV_TYPE_IOC_RDK   = 0x00040004,
79    DEV_TYPE_MMC_TSR   = 0x00050000,
80    DEV_TYPE_DMA_SCL   = 0x00060000,
81    DEV_TYPE_NIC_CBF   = 0x00070000,
82    DEV_TYPE_TIM_SCL   = 0x00080000,
83    DEV_TYPE_TXT_TTY   = 0x00090000,
84    DEV_TYPE_ICU_XCU   = 0x000A0000,
85    DEV_TYPE_PIC_TSR   = 0x000B0000,
86};
87
88/****************************************************************************************
89 * This structure defines the ARCHINFO header.
90 * WARNING: the size of this structure (128 bytes) is used by the ALMOS-MKH bootloader.
91 ***************************************************************************************/
92
93typedef struct __attribute__((packed))  archinfo_header_s
94{
95    uint32_t    signature;       // must contain ARCH_INFO_SIGNATURE
96    uint32_t    x_size;          // number of clusters in a row
97    uint32_t    y_size;          // number of clusters in a column
98    uint32_t    paddr_width;     // number of bits for physical address
99    uint32_t    x_width;         // number of bits for x coordinate
100    uint32_t    y_width;         // number of bits for y coordinate
101    uint32_t    cores_max;       // max number of cores per cluster
102    uint32_t    devices_max;     // max number of devices per cluster
103
104    uint32_t    cores;           // total number of cores
105    uint32_t    devices;         // total number of devices
106    uint32_t    irqs;            // total number of irqs
107    uint32_t    io_cxy;          // io_cluster identifier
108    uint32_t    boot_cxy;        // boot_cluster identifier
109    uint32_t    irqs_per_core;   // number of IRQs per core
110    uint32_t    cache_line_size; // number of bytes
111    uint32_t    reserved;        // reserved
112
113    char        name[64];        // architecture name
114} 
115archinfo_header_t;
116
117
118/****************************************************************************************
119 * This structure defines the ARCHINFO cluster.
120 ***************************************************************************************/
121
122typedef struct __attribute__((packed))  archinfo_cluster_s
123{
124    uint32_t    cxy;             // cluster identifier
125    uint32_t    cores;           // number of cores in cluster
126    uint32_t    core_offset;     // global index of first core in cluster
127    uint32_t    devices;         // number of devices in cluster
128    uint32_t    device_offset;   // global index of first device in cluster
129} 
130archinfo_cluster_t;
131
132/****************************************************************************************
133 * This structure defines the ARCHINFO core descriptor.
134 * WARNING: the size of this structure (8 bytes) is used by the ALMOS-MKH bootloader.
135 ***************************************************************************************/
136
137typedef struct __attribute__((packed))  archinfo_core_s
138{
139    uint32_t    gid;             // core hardware identifier
140    uint16_t    cxy;             // cluster identifier         
141    uint16_t    lid;             // core local index in cluster
142} 
143archinfo_core_t;
144
145/****************************************************************************************
146 * This structure defines the ARCHINFO device descriptor.
147 ***************************************************************************************/
148
149typedef struct __attribute__((packed))  archinfo_device_s
150{
151    uint64_t    base;            // base address in physical space
152    uint64_t    size;            // channel size (bytes)
153    uint32_t    type;            // supported values defined above
154    uint32_t    channels;        // number of channels
155    uint32_t    arg0;            // semantic depends on device type
156    uint32_t    arg1;            // semantic depends on device type
157    uint32_t    arg2;            // semantic depends on device type
158    uint32_t    arg3;            // semantic depends on device type
159    uint32_t    irqs;            // number of input IRQs (for ICU or PIC)
160    uint32_t    irq_offset;      // global index of first IRQ
161} 
162archinfo_device_t; 
163
164/****************************************************************************************
165 * This structure defines the ARCHINFO input IRQs for XCU or PIC components.
166 * It describes the hardware connection from one device output IRQ (identified
167 * by the source device type, channel, and direction) to a PIC or XCU iput port.
168 ***************************************************************************************/
169
170typedef struct __attribute__((packed))  archinfo_irq_s
171{
172    uint32_t    dev_type;        // source device type index
173    uint8_t     channel;         // source device channel
174    uint8_t     is_rx;           // source device direction
175    uint8_t     port;            // input IRQ index (in XCU/PIC)
176    uint8_t     reserved;        // padding
177} 
178archinfo_irq_t; 
179
180/****************************************************************************
181 * These functions allows the boot-loader to get to the starting address    *
182 * of various ARCHINFO tables.                                              *
183 ****************************************************************************/
184
185inline archinfo_core_t* archinfo_get_core_base(archinfo_header_t* header)
186{
187    return (archinfo_core_t*)((char*)header                                 + 
188                              ARCHINFO_HEADER_SIZE);
189}
190
191inline archinfo_cluster_t* archinfo_get_cluster_base(archinfo_header_t* header)
192{
193    return (archinfo_cluster_t*)((char*)header                              + 
194                                 ARCHINFO_HEADER_SIZE                       +
195                                 ARCHINFO_CORE_SIZE * header->cores); 
196}
197                                 
198inline archinfo_device_t* archinfo_get_device_base(archinfo_header_t* header)
199{
200    return (archinfo_device_t*)((char*)header                               + 
201                                 ARCHINFO_HEADER_SIZE                       +
202                                 ARCHINFO_CORE_SIZE * header->cores         + 
203                                 ARCHINFO_CLUSTER_SIZE * header->x_size * 
204                                                         header->y_size);
205}
206
207inline archinfo_irq_t* archinfo_get_irq_base(archinfo_header_t* header)
208{
209    return (archinfo_irq_t*)((char*)header                                  + 
210                             ARCHINFO_HEADER_SIZE                           +
211                             ARCHINFO_CORE_SIZE * header->cores             + 
212                             ARCHINFO_CLUSTER_SIZE * header->x_size * 
213                                                     header->y_size         +
214                             ARCHINFO_DEVICE_SIZE * header->devices);
215}
216
217#endif  /* _ARCHINFO_H_ */
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