syscalls.h File Reference

Functions to access the system calls of the Dreamcast ROM. More...

#include <sys/cdefs.h>
#include <stdint.h>
#include <sys/types.h>

Go to the source code of this file.

Functions
void	syscall_sysinfo_init (void)
	Inits data needed by sysinfo id/icon.
int	syscall_sysinfo_icon (uint32_t icon, uint8_t *dest)
	Reads an icon from the flashrom.
uint64_t	syscall_sysinfo_id (void)
	Reads the ID of the Dreamcast.
uint8_t *	syscall_font_address (void)
	Gets the romfont address.
int	syscall_font_lock (void)
	Locks access to ROM font.
void	syscall_font_unlock (void)
	Unlocks access to ROM font.
int	syscall_flashrom_info (uint32_t part, void *info)
	Gets info on partition in the flashrom.
int	syscall_flashrom_read (uint32_t pos, void *dest, size_t n)
	Read data from the flashrom.
int	syscall_flashrom_write (uint32_t pos, const void *src, size_t n)
	Write data to the flashrom.
int	syscall_flashrom_delete (uint32_t pos)
	Delete a partition of the flashrom.
void	syscall_gdrom_init (void)
	Initialize the GDROM drive.
void	syscall_gdrom_reset (void)
	Reset the GDROM drive.
int	syscall_gdrom_check_drive (uint32_t status[2])
	Checks the GDROM drive status.
uint32_t	syscall_gdrom_send_command (uint32_t cmd, void *params)
	Send a command to the GDROM command queue.
int	syscall_gdrom_check_command (uint32_t id, int32_t status[4])
	Check status of queued command for the GDROM.
void	syscall_gdrom_exec_server (void)
	Process queued GDROM commands.
int	syscall_gdrom_abort_command (uint32_t id)
	Abort a queued GDROM command.
int	syscall_gdrom_sector_mode (uint32_t mode[4])
	Sets/gets the sector mode for read commands.
void	syscall_gdrom_dma_callback (uintptr_t callback, void *param)
	Setup GDROM DMA callback.
int	syscall_gdrom_dma_transfer (uint32_t id, const int32_t params[2])
	Initiates a GDROM DMA transfer.
int	syscall_gdrom_dma_check (uint32_t id, size_t *size)
	Checks a GDROM DMA transfer.
void	syscall_gdrom_pio_callback (uintptr_t callback, void *param)
	Setup GDROM PIO callback.
int	syscall_gdrom_pio_transfer (uint32_t id, const int32_t params[2])
	Initiates a GDROM PIO transfer.
int	syscall_gdrom_pio_check (uint32_t id, size_t *size)
	Checks a GDROM PIO transfer.
int	syscall_misc_init (void)
	Initializes all the syscall vectors.
int	syscall_misc_setvector (uint32_t super, uintptr_t handler)
	Set/Clear a user defined super function.
void	syscall_system_reset (void) __noreturn
	Resets the Dreamcast.
void	syscall_system_bios_menu (void) __noreturn
	Go to the BIOS menu.
void	syscall_system_cd_menu (void) __noreturn
	Exit to CD menu.

Detailed Description

Functions to access the system calls of the Dreamcast ROM.

Todo

• syscall_sysinfo_icon(): Discover + document icon format.
• Look into additional syscall vector for GD-ROM - 0x0C0000C0

Author

Marcus Comstedt

Andy Barajas