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#ifndef BIOS_FW_CFG_H
#define BIOS_FW_CFG_H 1
// List of QEMU fw_cfg entries. DO NOT ADD MORE. (All new content
// should be passed via the fw_cfg "file" interface.)
#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_ARCH_LOCAL 0x8000
#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)
#define FW_CFG_E820_TABLE (FW_CFG_ARCH_LOCAL + 3)
#define FW_CFG_VERSION 0x01
#define FW_CFG_VERSION_DMA 0x02
#define FW_CFG_DMA_CTL_ERROR 0x01
#define FW_CFG_DMA_CTL_READ 0x02
#define FW_CFG_DMA_CTL_SKIP 0x04
#define FW_CFG_DMA_CTL_SELECT 0x08
#define FW_CFG_CTL 0x510
#define FW_CFG_DATA 0x511
#define FW_CFG_DMA_ADDR_HIGH 0x514
#define FW_CFG_DMA_ADDR_LOW 0x518
#include "ioport.h"
static inline void fw_cfg_select(uint16_t f)
{
outw(FW_CFG_CTL, f);
}
static inline uint32_t fw_cfg_readb(void)
{
return inb(FW_CFG_DATA);
}
static inline uint32_t fw_cfg_readw_be(void)
{
uint32_t val;
val = inb(FW_CFG_DATA);
val = (val << 8) | inb(FW_CFG_DATA);
return val;
}
static inline uint32_t fw_cfg_readw_le(void)
{
uint32_t val;
val = inb(FW_CFG_DATA);
val = (inb(FW_CFG_DATA) << 8) | val;
return val;
}
static inline uint32_t fw_cfg_readl_be(void)
{
uint32_t val;
val = inb(FW_CFG_DATA);
val = (val << 8) | inb(FW_CFG_DATA);
val = (val << 8) | inb(FW_CFG_DATA);
val = (val << 8) | inb(FW_CFG_DATA);
return val;
}
static inline uint32_t fw_cfg_readl_le(void)
{
uint32_t val;
val = inb(FW_CFG_DATA);
val = (inb(FW_CFG_DATA) << 8) | val;
val = (inb(FW_CFG_DATA) << 16) | val;
val = (inb(FW_CFG_DATA) << 24) | val;
return val;
}
static inline void fw_cfg_skip(int len)
{
while (len--)
inb(FW_CFG_DATA);
}
void fw_cfg_setup(void);
int fw_cfg_file_id(char *name);
uint32_t fw_cfg_file_size(int id);
void fw_cfg_file_select(int id);
void fw_cfg_read(void *buf, int len);
void fw_cfg_read_entry(int e, void *buf, int len);
void fw_cfg_dma(int control, void *buf, int len);
void fw_cfg_read_file(int e, void *buf, int len);
#endif
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