X-Git-Url: http://git.squeep.com/?p=dcpu16;a=blobdiff_plain;f=hw_clock.c;h=252c08f28096d78832a99736a2bc70e57d94b129;hp=89d5912e0092132739f6d74a2fe3686a440f1f70;hb=HEAD;hpb=0a1b4588f79e3719af9431a98da44350030df754 diff --git a/hw_clock.c b/hw_clock.c index 89d5912..252c08f 100644 --- a/hw_clock.c +++ b/hw_clock.c @@ -5,21 +5,14 @@ #include "dcpu16.h" #include "hw_clock.h" -static dcpu16_hw_signal_t clock_reset_; -static dcpu16_hw_signal_t clock_cycle_; -static dcpu16_hw_signal_t clock_hwi_; -static struct dcpu16_hw hw_ = { - .name_ = "Generic Clock (compatible)", - .id_l = 0xb402, - .id_h = 0x12d0, - .ver = 0x0001, - .mfg_l = 0x0000, - .mfg_h = 0x0000, - .hwi = clock_hwi_, - .cycle = clock_cycle_, - .reset = clock_reset_, - .data = (struct clock_ *)NULL -}; +#define MSG_(__level__, __vm__, ...) do { ((__vm__) ? ((struct dcpu16 *)(__vm__))->msg_cb_ : dcpu16_msg_)(__level__, __VA_ARGS__); } while (0) +#define MSG_INFO(__vm__, ...) MSG_(DCPU16_MSG_INFO, __vm__, __VA_ARGS__) +#define MSG_ERROR(__vm__, ...) MSG_(DCPU16_MSG_ERROR, __vm__, __VA_ARGS__) +#ifdef DEBUG +#define MSG_DEBUG(__vm__, ...) MSG_(DCPU16_MSG_DEBUG, __vm__, __VA_ARGS__) +#else /* DEBUG */ +#define MSG_DEBUG(__vm__, ...) do { } while (0) +#endif /* DEBUG */ struct clock_ { DCPU16_WORD cycle_; @@ -29,8 +22,8 @@ struct clock_ { }; static -void clock_reset_(struct dcpu16 *vm, void *data) { - struct clock_ *clock = (struct clock_ *)data; +void clock_reset_(struct dcpu16 *vm, struct dcpu16_hw *hw) { + struct clock_ *clock = (struct clock_ *)hw->data; (void)vm; @@ -38,8 +31,8 @@ void clock_reset_(struct dcpu16 *vm, void *data) { } static -void clock_cycle_(struct dcpu16 *vm, void *data) { - struct clock_ *clock = (struct clock_ *)data; +void clock_cycle_(struct dcpu16 *vm, struct dcpu16_hw *hw) { + struct clock_ *clock = (struct clock_ *)hw->data; /* cycle is only called 100000 times per second */ /* maximum rate is 60hz / word_max = 3932160 */ @@ -55,14 +48,14 @@ void clock_cycle_(struct dcpu16 *vm, void *data) { if (clock->interrupt_message) { if (dcpu16_interrupt(vm, clock->interrupt_message)) - vm->warn_cb_("%s: could not send interrupt", hw_.name_); + MSG_ERROR(vm, "%s: could not send interrupt", hw->mod->name_); } } } static -void clock_hwi_(struct dcpu16 *vm, void *data) { - struct clock_ *clock = (struct clock_ *)data; +void clock_hwi_(struct dcpu16 *vm, struct dcpu16_hw *hw) { + struct clock_ *clock = (struct clock_ *)hw->data; DCPU16_WORD reg_a = vm->reg[DCPU16_REG_A]; DCPU16_WORD reg_b = vm->reg[DCPU16_REG_B]; @@ -81,32 +74,43 @@ void clock_hwi_(struct dcpu16 *vm, void *data) { } } -/* instantitate a new clock */ -struct dcpu16_hw *clock_new(struct dcpu16 *vm) { - struct dcpu16_hw *hw; +static +int clock_data_init_(struct dcpu16_hw *hw, void *data) { + (void)data; - hw = calloc(1, sizeof *hw); - if (hw == NULL) { - vm->warn_cb_("%s():%s", "calloc", strerror(errno)); - return NULL; - } - memcpy(hw, &hw_, sizeof *hw); - hw->data = calloc(1, sizeof hw->data); + hw->data = calloc(1, sizeof(struct clock_)); if (hw->data == NULL) { - vm->warn_cb_("%s():%s", "calloc", strerror(errno)); - free(hw); - return NULL; + MSG_ERROR(hw->vm, "%s():%s", "calloc", strerror(errno)); + return -1; } - - return hw; + return 0; } -void clock_del(struct dcpu16_hw **hw) { +static +void clock_data_free_(struct dcpu16_hw *hw) { if (hw) { - free((*hw)->data); - (*hw)->data = NULL; - - free((*hw)); - *hw = NULL; + if (hw->data) { + free(hw->data); + hw->data = NULL; + } } } + + +struct dcpu16_hw_module dcpu16_hw_module_clock = { + .name_ = "Generic Clock (compatible)", + + .id_l = 0xb402, + .id_h = 0x12d0, + .ver = 0x0001, + .mfg_l = 0x0000, + .mfg_h = 0x0000, + .hwi = clock_hwi_, + .cycle = clock_cycle_, + .reset = clock_reset_, + + .data_init = clock_data_init_, + .data_free = clock_data_free_, + .ctl = NULL, + .ctl_cmd = NULL, +};