| #ifndef FWCFG_H |
| #define FWCFG_H |
| |
| #include <stdint.h> |
| #include <stdbool.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_MAX_ENTRY 0x10 |
| |
| #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_INVALID 0xffff |
| |
| #define BIOS_CFG_IOPORT 0x510 |
| |
| #define FW_CFG_ACPI_TABLES (FW_CFG_ARCH_LOCAL + 0) |
| #define FW_CFG_SMBIOS_ENTRIES (FW_CFG_ARCH_LOCAL + 1) |
| #define FW_CFG_IRQ0_OVERRIDE (FW_CFG_ARCH_LOCAL + 2) |
| |
| extern bool no_test_device; |
| |
| static inline bool test_device_enabled(void) |
| { |
| return !no_test_device; |
| } |
| |
| uint8_t fwcfg_get_u8(unsigned index); |
| uint16_t fwcfg_get_u16(unsigned index); |
| uint32_t fwcfg_get_u32(unsigned index); |
| uint64_t fwcfg_get_u64(unsigned index); |
| |
| unsigned fwcfg_get_nb_cpus(void); |
| |
| #endif |
| |