diff options
Diffstat (limited to 'sw/z80/kernel/include')
-rw-r--r-- | sw/z80/kernel/include/boot.h | 35 | ||||
-rw-r--r-- | sw/z80/kernel/include/progman.h | 86 |
2 files changed, 121 insertions, 0 deletions
diff --git a/sw/z80/kernel/include/boot.h b/sw/z80/kernel/include/boot.h new file mode 100644 index 0000000..5310e45 --- /dev/null +++ b/sw/z80/kernel/include/boot.h @@ -0,0 +1,35 @@ +#ifndef BOOT_H +#define BOOT_H + +#include "types.h" + +#define LOGIN_PC // TODO find an address in ROM, to perform jumps + +#define EXEC_STATUS // TODO find an address in Kernel space + +#define PWD_ADDR // TODO find an address in ROM, password +#define PWD_SIZE 8 + +struct exec_status { + + volatile int logged_in:1; // authenticated + volatile int k_control:1; // no running programs + volatile int program_id:1; // current running program id, see "progman.h" + volatile int hidden_pc:13; // program counter of the paused program +}; + +void boot_init(); + +/* +* It returns 1 if succeded, otherwise 0 +*/ + +int8_t authenticate(const char *pwd); + +/* +* It sets the password in the ROM space, maximum 8 characters +*/ + +void set_pwd(const char *pwd); + +#endif
\ No newline at end of file diff --git a/sw/z80/kernel/include/progman.h b/sw/z80/kernel/include/progman.h new file mode 100644 index 0000000..0f56bb3 --- /dev/null +++ b/sw/z80/kernel/include/progman.h @@ -0,0 +1,86 @@ +#ifndef PROGRAM_MAN +#define PROGRAM_MAN + +#include "types.h" + +#define PROG_0 0x0 +#define PROG_1 0x1 + +#define PROG_VSTART 0x1000 +#define PROG_0_PREFIX 0xA000 +#define PROG_1_PREFIX 0xC000 + +#define PROG_0_INFO // TODO +#define PROG_1_INFO // TODO find a space in the ram + +struct program_info { + + volatile int enabled:1; + volatile int running:1; + volatile int exiting:1; + volatile int heap_addr:13; + volatile void (*quit_cb)(void); // 16 +}; + +/* +* Initialize the program manager system +*/ + +void progman_init(); + +/* +* Check if it can start a new program +* If it succedes, the program id is returned, +* otherwise it is returned an error number +*/ + +#define PROG_REQ_FULL -1 +#define PROG_REQ_ERR -2 // Maybe we don't need this, but just in case + +int8_t prog_req(struct program_info *info); + +/* +* It allocates a program in the RAM +* To obtain the right id call prog_req() first +* Basic informations must be allocated and referenced by a program_base struct +*/ + +struct program_base { + + void * inst_set; // pointer to the instructions set + size_t inst_size; // size of the instructions set + void * bss_data; // pointer to the bss/data space + size_t data_size; // size of the bss/data space + size_t stack_size; // size of the stack to determine the stack limit +}; + +void prog_alloc(int8_t id, struct program_info *info, const struct program_base *base); + +/* +* It jumps the program counter to the given one +*/ + +void prog_exec(int8_t id, struct program_info *info); + +/* +* It sets a quit callback +*/ + +void prog_0_qcb(void (*callback)(void)); +void prog_1_qcb(void (*callback)(void)); + +/* +* It quits a program, if a callback is set, it will be called +*/ + +void prog_0_quit(); +void prog_1_quit(); + +/* +* It forces a program to quit +*/ + +void prog_0_fquit(); +void prog_1_fquit(); + +#endif
\ No newline at end of file |