Table definitions

phaubertin · Jan 21, 2025 · 9f21896 · 9f21896
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diff --git a/include/kernel/infrastructure/i686/asm/mp.h b/include/kernel/infrastructure/i686/asm/mp.h
@@ -0,0 +1,116 @@
+/*
+ * Copyright (C) 2025 Philippe Aubertin.
+ * All rights reserved.
+
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * 3. Neither the name of the author nor the names of other contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef JINUE_KERNEL_INFRASTRUCTURE_I686_ASM_MP_H
+#define JINUE_KERNEL_INFRASTRUCTURE_I686_ASM_MP_H
+
+/* Multiprocessor Specification 1.4 section 4.1 MP Floating Pointer
+ * Structure */
+
+#define MP_FLOATING_PTR_SIGNATURE   "_MP_"
+
+
+#define MP_FEATURE2_IMCRP           (1 << 7)
+
+/* Multiprocessor Specification 1.4 section 4.2 MP Configuration Table
+ * Header */
+
+#define MP_CONF_TABLE_SIGNATURE     "PCMP"
+
+/* Multiprocessor Specification 1.4 Table 4-3 Base MP Configuration Table Entry
+ * Types */
+
+#define MP_ENTRY_TYPE_PROCESSOR     0
+
+#define MP_ENTRY_TYPE_BUS           1
+
+#define MP_ENTRY_TYPE_IO_APIC       2
+
+#define MP_ENTRY_TYPE_IO_INTR       3
+
+#define MP_ENTRY_TYPE_LOCAL_INTR    4
+
+/* Multiprocessor Specification 1.4 Table 4-8 Bus Type String Values */
+
+#define MP_BUS_TYPE_EISA            "EISA"
+
+#define MP_BUS_TYPE_ISA             "ISA"
+
+#define MP_BUS_TYPE_PCI             "PCI"
+
+/* Multiprocessor Specification 1.4 section 4.3.3 I/O APIC Entries */
+
+#define MP_IO_API_FLAG_EN           (1 << 0)
+
+/* Multiprocessor Specification 1.4 Table 4-10 I/O Interrupt Entry Fields */
+
+#define MP_PO_BUS_DEFAULT           0
+
+#define MP_PO_ACTIVE_HIGH           1
+
+#define MP_PO_ACTIVE_LOW            3
+
+
+#define MP_EL_BUS_DEFAULT           (0 << 2)
+
+#define MP_EL_EDGE                  (1 << 2)
+
+#define MP_EL_LEVEL                 (2 << 2)
+
+/* Multiprocessor Specification 1.4 Table 4-11 Interrupt Type Values */
+
+#define MP_INTR_TYPE_INT            0
+
+#define MP_INTR_TYPE_NMI            1
+
+#define MP_INTR_TYPE_SMI            2
+
+#define MP_INTR_TYPE_EXTINT         3
+
+/* Multiprocessor Specification 1.4 Table 5-1 Default Configurations */
+
+#define MP_NO_DEFAULT               0
+
+#define MP_DEFAULT_ISA              1
+
+#define MP_DEFAULT_EISA_NO_IRQ0     2
+
+#define MP_DEFAULT_EISA             3
+
+#define MP_DEFAULT_MCA              4
+
+#define MP_DEFAULT_ISA_PCI_APIC     5
+
+#define MP_DEFAULT_EISA_PIC_APIC    6
+
+#define MP_DEFAULT_MCA_PCI_APIC     7
+
+#endif
diff --git a/include/kernel/infrastructure/i686/mp.h b/include/kernel/infrastructure/i686/mp.h
@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2025 Philippe Aubertin.
+ * All rights reserved.
+
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * 3. Neither the name of the author nor the names of other contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef JINUE_KERNEL_INFRASTRUCTURE_I686_MP_H
+#define JINUE_KERNEL_INFRASTRUCTURE_I686_MP_H
+
+#include <stdint.h>
+
+/* Multiprocessor Specification 1.4 section 4.1 MP Floating Pointer
+ * Structure */
+
+typedef struct {
+    char        signature[4];
+    uint32_t    addr;
+    uint8_t     length;
+    uint8_t     revision;
+    uint8_t     checksum;
+    uint8_t     feature1;
+    uint8_t     feature2;
+    uint8_t     feature_reserved[3];
+} mp_floating_ptr_t;
+
+/* Multiprocessor Specification 1.4 section 4.2 MP Configuration Table
+ * Header */
+
+typedef struct {
+    char        signature[4];
+    uint16_t    base_length;
+    uint8_t     revision;
+    uint8_t     checksum;
+    char        oem_id[8];
+    char        product_id[12];
+    uint32_t    oem_table_addr;
+    uint16_t    oem_table_size;
+    uint16_t    entry_count;
+    uint32_t    lapic_addr;
+    uint16_t    ext_table_length;
+    uint8_t     ext_table_checksum;
+    uint8_t     reserved;
+    char        entries[];    
+} mp_conf_table_t;
+
+/* Multiprocessor Specification 1.4 section 4.3.1 Processor Entries */
+
+typedef struct {
+    uint8_t     entry_type;
+    uint8_t     apic_id;
+    uint8_t     apic_version;
+    uint8_t     cpu_flags;
+    uint32_t    cpu_signature;
+    uint32_t    feature_flags;
+    uint32_t    reserved1;
+    uint32_t    reserved2;
+} mp_entry_processor_t;
+
+/* Multiprocessor Specification 1.4 section 4.3.2 Bus Entries */
+
+typedef struct {
+    uint8_t     entry_type;
+    uint8_t     bus_id;
+    char        bus_type[6];
+} mp_entry_bus_t;
+
+/* Multiprocessor Specification 1.4 section 4.3.3 I/O APIC Entries */
+
+typedef struct {
+    uint8_t     entry_type;
+    uint8_t     apic_id;
+    uint8_t     apic_version;
+    uint8_t     flag;
+    uint32_t    addr;
+} mp_entry_io_apic_t;
+
+/* Multiprocessor Specification 1.4 section 4.3.4 I/O Interrupt Assignment
+ * Entries and 4.3.5 Local Interrupt Assignment Entries */
+
+typedef struct {
+    uint8_t     entry_type;
+    uint8_t     intr_type;
+    uint16_t    io_intr_flag;
+    uint8_t     source_bus_id;
+    uint8_t     source_bus_irq;
+    uint8_t     dest_apic_id;
+    uint8_t     dest_apic_intn;
+} mp_entry_intr_t;
+
+#endif