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/* $OpenBSD: pmon.h,v 1.5 2017/05/21 13:00:53 visa Exp $ */
/*
* Copyright (c) 2009, 2012 Miodrag Vallat.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _MACHINE_PMON_H_
#define _MACHINE_PMON_H_
#if defined(_KERNEL) || defined(_STANDALONE)
/*
* PMON2000 callvec definitions
*/
/* 32-bit compatible types */
typedef uint32_t pmon_size_t;
typedef int32_t pmon_ssize_t;
typedef int64_t pmon_off_t;
int pmon_open(const char *, int, ...);
int pmon_close(int);
int pmon_read(int, void *, pmon_size_t);
pmon_ssize_t pmon_write(int, const void *, pmon_size_t);
pmon_off_t pmon_lseek(int, pmon_off_t, int);
int pmon_printf(const char *, ...);
void pmon_cacheflush(void);
char * pmon_gets(char *);
#define PMON_MAXLN 256 /* internal gets() size limit */
extern int32_t pmon_callvec;
const char *pmon_getarg(const int);
void pmon_init(int32_t, int32_t, int32_t, int32_t, uint32_t);
#define PMON_ENVTYPE_ENVP 0
#define PMON_ENVTYPE_EFI 1
int pmon_getenvtype(void);
/*
* The new environment interface is a /salmigondis/ of badly thought-out
* structs put together, pretending to be inspired by EFI but conveniently
* omitting key EFI structs because they are deemed non-applicable to
* MIPS systems.
* Of course, some fields are absolute addresses, while others are relative
* pointers, to add to the confusion.
*/
struct pmon_env_reset {
void (*cold_boot)(void); /* not filled */
void (*warm_boot)(void);
void (*boot)(unsigned int); /* not filled */
void (*poweroff)(void);
};
/* all values are offsets relative to the beginning of the struct */
struct pmon_env_ptr {
uint64_t offs_mem;
uint64_t offs_cpu;
uint64_t offs_sys;
uint64_t offs_irq;
uint64_t offs_iface;
uint64_t offs_special;
uint64_t offs_device;
};
struct pmon_env_smbios {
uint16_t version;
uint64_t vga_bios;
struct pmon_env_ptr ptrs;
};
struct pmon_env_efi {
uint64_t mps; /* not filled */
uint64_t acpi; /* not filled */
uint64_t acpi20; /* not filled */
struct pmon_env_smbios bios;
uint64_t sal_systab; /* not filled */
uint64_t bootinfo; /* not filled */
};
struct pmon_env {
struct pmon_env_efi efi;
struct pmon_env_reset reset;
};
#define PMON_MEM_MAX 128
struct pmon_env_mem_entry {
uint32_t node;
uint32_t type;
#define PMON_MEM_SYSTEM_LOW 1 /* physical memory <= 256 MB */
#define PMON_MEM_SYSTEM_HIGH 2 /* physical memory > 256 MB */
#define PMON_MEM_RESERVED 3
#define PMON_MEM_PCI_IO 4
#define PMON_MEM_PCI_MEM 5
#define PMON_MEM_CPU_REGISTERS 6
#define PMON_MEM_VIDEO_ROM 7
#define PMON_MEM_OTHER_ROM 8
#define PMON_MEM_ACPI_TABLE 9
uint64_t address;
uint32_t size;
};
struct pmon_env_mem {
uint16_t version; /* not filled */
uint32_t nentries;
uint32_t mem_freq;
struct pmon_env_mem_entry mem_map[PMON_MEM_MAX];
} __packed;
struct pmon_env_cpu {
uint16_t version; /* not filled */
uint32_t prid; /* cop0 PrID */
uint32_t cputype;
/* 0 and 1 are supposedly intended for 2E and 2F, which do NOT provide this
interface; moreover Linux and PMON disagree on the values and have 2E and
2F swapped. */
#define PMON_CPUTYPE_LS3A 2
#define PMON_CPUTYPE_LS3B 3
#define PMON_CPUTYPE_LS1A 4
#define PMON_CPUTYPE_LS1B 5
uint32_t node; /* total number of NUMA nodes */
uint16_t coreid; /* boot CPU core id */
uint16_t reserved_cores; /* mask of reserved cores */
uint32_t speed;
uint32_t ncpus;
} __packed;
struct pmon_env_sys {
uint16_t version; /* not filled */
uint32_t ccnuma_smp;
uint32_t double_channel;
} __packed;
struct pmon_env_irq {
uint16_t version; /* not filled */
uint16_t size; /* not filled */
uint16_t rtr_bus; /* not filled */
uint16_t rtr_devfn; /* not filled */
uint32_t vendor; /* not filled */
uint32_t device; /* not filled */
uint32_t pic_type;
#define PMON_IRQ_PIC_HT 0
#define PMON_IRQ_PIC_I8259 1
uint64_t ht_interrupt_bit;
uint64_t ht_enable;
uint32_t node;
uint64_t pci_memory_space_start;
uint64_t pci_memory_space_end;
uint64_t pci_io_space_start; /* not filled */
uint64_t pci_io_space_end; /* not filled */
uint64_t pci_cfg_space; /* not filled */
} __packed;
struct pmon_env_iface {
uint16_t version;
#define PMON_IFACE_VERSION 0x0001
uint16_t size;
uint8_t flag;
char description[64]; /* firmware version */
} __packed;
#define PMON_RESOURCE_MAX 128
struct pmon_env_resource {
uint64_t start;
uint64_t end;
char name[64];
uint32_t flags;
};
struct pmon_env_special {
uint16_t version;
char name[64];
uint32_t type;
struct pmon_env_resource resource[PMON_RESOURCE_MAX];
};
struct pmon_env_device {
char name[64]; /* system description */
uint32_t nentries;
struct pmon_env_resource resource[PMON_RESOURCE_MAX];
};
const char *pmon_getenv(const char *);
const struct pmon_env_reset *pmon_get_env_reset(void);
const struct pmon_env_smbios *pmon_get_env_smbios(void);
const struct pmon_env_mem *pmon_get_env_mem(void);
const struct pmon_env_cpu *pmon_get_env_cpu(void);
const struct pmon_env_sys *pmon_get_env_sys(void);
const struct pmon_env_irq *pmon_get_env_irq(void);
const struct pmon_env_iface *pmon_get_env_iface(void);
const struct pmon_env_special *pmon_get_env_special(void);
const struct pmon_env_device *pmon_get_env_device(void);
#endif /* _KERNEL || _STANDALONE */
#endif /* _MACHINE_PMON_H_ */
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