diff options
Diffstat (limited to '')
| -rw-r--r-- | sw/z80/kernel/programs.c | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/sw/z80/kernel/programs.c b/sw/z80/kernel/programs.c deleted file mode 100644 index 705ea96..0000000 --- a/sw/z80/kernel/programs.c +++ /dev/null @@ -1,137 +0,0 @@ -#include "progman.h" -#include "string.h" - -#define EMPTY_PROG_INFO 0x0 - -struct program_info *prog_0 = PROG_0_INFO, - *prog_1 = PROG_1_INFO; - -void progman_init() { - - *prog_0 = EMPTY_PROG_INFO; - *prog_1 = EMPTY_PROG_INFO; - - // TODO other stuff -} - -int8_t prog_req(struct program_info *info) { - - uint8_t prog; - - if (!prog_0->enabled) { - - prog = PROG_0; - *info = *prog_0; - - } else if (!prog_1->enabled) { - - prog = PROG_1; - *info = *prog_1; - - } else { - - return PROG_REQ_FULL; - } - - return prog; -} - -void prog_alloc(int8_t id, struct program_info *info, const struct program_base *base) { - - void *addr = (id ? PROG_1_PREFIX : PROG_0_PREFIX) + PROG_VSTART; - - if (info->enabled) { - - if (id) - prog_1_fquit(); // force quit operation - else - prog_0_fquit(); - } - - - memcpy(addr, base->inst_set, base->inst_size); - - addr += base->inst_size; - - memcpy(addr, base->bss_data, base->data_size); - - addr += base->data_size; - - // TODO, empty heap and stack -} - -/* -* TODO Called from the assembly, system calls -*/ - -extern void exec_0(void); -extern void exec_1(void); - -void prog_exec(int8_t id, struct program_info *info) { - - // TODO, perform a program counter jump -} - -void prog_0_qcb(void (*callback)(void)) { - - prog_0->quit_cb = callback; -} - -void prog_1_qcb(void (*callback)(void)) { - - prog_1->quit_cb = callback; -} - -void prog_0_quit() { - - if (!prog_0->enabled || prog_0->exiting) - return; - - if (prog_0->quit_cb) - prog_0->quit_cb(); - - // TODO free space in RAM - - *prog_0 = EMPTY_PROG_INFO; - - // TODO jump program counter -} - -void prog_1_quit() { - - if (!prog_1->enabled || prog_1->exiting) - return; - - if (prog_1->quit_cb) - prog_1->quit_cb(); - - // TODO free space in RAM - - *prog_1 = EMPTY_PROG_INFO; - - // TODO jump program counter -} - -void prog_0_fquit() { - - if (!prog_0->enabled) - return; - - // TODO free space in RAM - - *prog_0 = EMPTY_PROG_INFO; - - // TODO jump program counter -} - -void prog_1_fquit() { - - if (!prog_1->enabled) - return; - - // TODO free space in RAM - - *prog_1 = EMPTY_PROG_INFO; - - // TODO jump program counter -}
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