diff options
Diffstat (limited to 'roms/openbios/include/arch/common/fw_cfg.h')
| -rw-r--r-- | roms/openbios/include/arch/common/fw_cfg.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/roms/openbios/include/arch/common/fw_cfg.h b/roms/openbios/include/arch/common/fw_cfg.h new file mode 100644 index 000000000..8460ad47c --- /dev/null +++ b/roms/openbios/include/arch/common/fw_cfg.h @@ -0,0 +1,107 @@ +#ifndef FW_CFG_H +#define FW_CFG_H + +#define FW_CFG_SIGNATURE 0x00 +#define FW_CFG_ID 0x01 +#define FW_CFG_UUID 0x02 +#define FW_CFG_RAM_SIZE 0x03 +#define FW_CFG_NOGRAPHIC 0x04 +#define FW_CFG_NB_CPUS 0x05 +#define FW_CFG_MACHINE_ID 0x06 +#define FW_CFG_KERNEL_ADDR 0x07 +#define FW_CFG_KERNEL_SIZE 0x08 +#define FW_CFG_KERNEL_CMDLINE 0x09 +#define FW_CFG_INITRD_ADDR 0x0a +#define FW_CFG_INITRD_SIZE 0x0b +#define FW_CFG_BOOT_DEVICE 0x0c +#define FW_CFG_NUMA 0x0d +#define FW_CFG_BOOT_MENU 0x0e +#define FW_CFG_MAX_CPUS 0x0f +#define FW_CFG_KERNEL_ENTRY 0x10 +#define FW_CFG_KERNEL_DATA 0x11 +#define FW_CFG_INITRD_DATA 0x12 +#define FW_CFG_CMDLINE_ADDR 0x13 +#define FW_CFG_CMDLINE_SIZE 0x14 +#define FW_CFG_CMDLINE_DATA 0x15 +#define FW_CFG_SETUP_ADDR 0x16 +#define FW_CFG_SETUP_SIZE 0x17 +#define FW_CFG_SETUP_DATA 0x18 +#define FW_CFG_FILE_DIR 0x19 + +#define FW_CFG_FILE_FIRST 0x20 +#define FW_CFG_FILE_SLOTS 0x10 +#define FW_CFG_MAX_ENTRY (FW_CFG_FILE_FIRST+FW_CFG_FILE_SLOTS) + +#define FW_CFG_WRITE_CHANNEL 0x4000 +#define FW_CFG_ARCH_LOCAL 0x8000 +#define FW_CFG_ENTRY_MASK ~(FW_CFG_WRITE_CHANNEL | FW_CFG_ARCH_LOCAL) + +#define FW_CFG_PPC_WIDTH (FW_CFG_ARCH_LOCAL + 0x00) +#define FW_CFG_PPC_HEIGHT (FW_CFG_ARCH_LOCAL + 0x01) +#define FW_CFG_PPC_DEPTH (FW_CFG_ARCH_LOCAL + 0x02) +#define FW_CFG_PPC_TBFREQ (FW_CFG_ARCH_LOCAL + 0x03) +#define FW_CFG_PPC_CLOCKFREQ (FW_CFG_ARCH_LOCAL + 0x04) +#define FW_CFG_PPC_IS_KVM (FW_CFG_ARCH_LOCAL + 0x05) +#define FW_CFG_PPC_KVM_HC (FW_CFG_ARCH_LOCAL + 0x06) +#define FW_CFG_PPC_KVM_PID (FW_CFG_ARCH_LOCAL + 0x07) +#define FW_CFG_PPC_NVRAM_ADDR (FW_CFG_ARCH_LOCAL + 0x08) +#define FW_CFG_PPC_BUSFREQ (FW_CFG_ARCH_LOCAL + 0x09) +#define FW_CFG_PPC_NVRAM_FLAT (FW_CFG_ARCH_LOCAL + 0x0a) +#define FW_CFG_PPC_VIACONFIG (FW_CFG_ARCH_LOCAL + 0x0b) + +#define FW_CFG_INVALID 0xffff + +#ifndef NO_QEMU_PROTOS +typedef struct FWCfgFile { + uint32_t size; /* file size */ + uint16_t select; /* write this to 0x510 to read it */ + uint16_t reserved; + char name[56]; +} FWCfgFile; + +typedef struct FWCfgFiles { + uint32_t count; + FWCfgFile f[]; +} FWCfgFiles; + +typedef void (*FWCfgCallback)(void *opaque, uint8_t *data); + +typedef struct _FWCfgState FWCfgState; +int fw_cfg_add_bytes(FWCfgState *s, uint16_t key, uint8_t *data, uint32_t len); +int fw_cfg_add_i16(FWCfgState *s, uint16_t key, uint16_t value); +int fw_cfg_add_i32(FWCfgState *s, uint16_t key, uint32_t value); +int fw_cfg_add_i64(FWCfgState *s, uint16_t key, uint64_t value); +int fw_cfg_add_callback(FWCfgState *s, uint16_t key, FWCfgCallback callback, + void *callback_opaque, uint8_t *data, size_t len); +int fw_cfg_add_file(FWCfgState *s, const char *dir, const char *filename, + uint8_t *data, uint32_t len); +FWCfgState *fw_cfg_init(uint32_t ctl_port, uint32_t data_port, + target_phys_addr_t crl_addr, target_phys_addr_t data_addr); + +#endif /* NO_QEMU_PROTOS */ + +#ifndef NO_OPENBIOS_PROTOS +void fw_cfg_read(uint16_t cmd, char *buf, unsigned int nbytes); +uint64_t fw_cfg_read_i64(uint16_t cmd); +uint32_t fw_cfg_read_i32(uint16_t cmd); +uint16_t fw_cfg_read_i16(uint16_t cmd); +void fw_cfg_init(void); + +typedef struct FWCfgFile { + uint32_t size; /* file size */ + uint16_t select; /* write this to 0x510 to read it */ + uint16_t reserved; + char name[56]; +} FWCfgFile; + +typedef struct FWCfgFiles { + uint32_t count; + FWCfgFile f[]; +} FWCfgFiles; + +unsigned int fw_cfg_find_file(const char *filename, uint16_t *select, uint32_t *size); +char *fw_cfg_read_file(const char *filename, uint32_t *size); +void forth_fw_cfg_read_file(void); +#endif /* NO_OPENBIOS_PROTOS */ + +#endif |