Implement AXIS parity UI and execution baseline

wasm-core/include/sim_scheduler.h

@@ -0,0 +1,58 @@
+#ifndef LINUXCNC_WEB_WASM_SIM_SCHEDULER_H
+#define LINUXCNC_WEB_WASM_SIM_SCHEDULER_H
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define SIM_SCHEDULER_SCHEMA_VERSION 1U
+#define SIM_SCHEDULER_PHASE_COUNT 8U
+#define SIM_SCHEDULER_DEFAULT_BUDGET 1000000U
+#define SIM_SCHEDULER_CANONICAL_CAPACITY 512U
+
+enum sim_scheduler_result {
+    SIM_SCHEDULER_OK = 0,
+    SIM_SCHEDULER_ERR_ARGUMENT = -1100,
+    SIM_SCHEDULER_ERR_RANGE = -1101,
+    SIM_SCHEDULER_ERR_BUDGET = -1102,
+    SIM_SCHEDULER_ERR_OVERFLOW = -1103,
+    SIM_SCHEDULER_ERR_BUFFER = -1104,
+};
+
+enum sim_scheduler_phase {
+    SIM_SCHEDULER_RECONCILE = 0,
+    SIM_SCHEDULER_TASK = 1,
+    SIM_SCHEDULER_TP = 2,
+    SIM_SCHEDULER_KINEMATICS = 3,
+    SIM_SCHEDULER_MOTION = 4,
+    SIM_SCHEDULER_HAL_IO = 5,
+    SIM_SCHEDULER_CALLBACKS = 6,
+    SIM_SCHEDULER_PUBLISH = 7,
+};
+
+typedef struct sim_scheduler {
+    uint32_t tick;
+    uint32_t budget;
+    uint32_t last_cycles;
+    uint32_t phase_trace[SIM_SCHEDULER_PHASE_COUNT];
+} sim_scheduler;
+
+uint32_t sim_scheduler_size(void);
+int32_t sim_scheduler_init(sim_scheduler *scheduler, uint32_t budget);
+int32_t sim_scheduler_reset(sim_scheduler *scheduler);
+int32_t sim_scheduler_step(sim_scheduler *scheduler, uint32_t cycles);
+int32_t sim_scheduler_restore(sim_scheduler *scheduler, uint32_t tick, uint32_t budget,
+                              uint32_t last_cycles, const uint32_t *phase_trace,
+                              uint32_t phase_count);
+int32_t sim_scheduler_read(const sim_scheduler *scheduler, sim_scheduler *out);
+uint32_t sim_scheduler_tick(const sim_scheduler *scheduler);
+uint64_t sim_scheduler_state_hash(const sim_scheduler *scheduler);
+uint32_t sim_scheduler_canonical(const sim_scheduler *scheduler, char *output, uint32_t capacity);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif