211 lines
7.4 KiB
C
211 lines
7.4 KiB
C
/*
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StarForth — Steady-State Virtual Machine Runtime
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Copyright (c) 2023–2025 Robert A. James
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All rights reserved.
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This file is part of the StarForth project.
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Licensed under the StarForth License, Version 1.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at:
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https://github.com/star.4th@proton.me/StarForth/LICENSE.txt
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This software is provided "AS IS", WITHOUT WARRANTY OF ANY KIND,
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express or implied, including but not limited to the warranties of
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merchantability, fitness for a particular purpose, and noninfringement.
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See the License for the specific language governing permissions and
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limitations under the License.
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StarForth — Steady-State Virtual Machine Runtime
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Copyright (c) 2023–2025 Robert A. James
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All rights reserved.
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This file is part of the StarForth project.
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Licensed under the StarForth License, Version 1.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at:
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https://github.com/star.4th@proton.me/StarForth/LICENSE.txt
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This software is provided "AS IS", WITHOUT WARRANTY OF ANY KIND,
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express or implied, including but not limited to the warranties of
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merchantability, fitness for a particular purpose, and noninfringement.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/*
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* StarForth VM Feature Configuration
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*
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* This header is the single source of truth for VM build-time defaults.
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* Build systems may override any option via -D<FLAG>=<value>, but every
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* translation unit sees these defaults even if no -D is provided.
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*
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* Hosted + kernel builds both force-include this header (see Makefiles),
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* so new toggles belong here with a documented owner.
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*/
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#ifndef STARFORTH_CONFIG_H
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#define STARFORTH_CONFIG_H
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/* Base defaults (match 2025-12-26 hosted baseline) */
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#define STARFORTH_CONFIG_STRICT_PTR_DEFAULT 1
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#define STARFORTH_CONFIG_ENABLE_HOTWORDS_CACHE_DEFAULT 0
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#define STARFORTH_CONFIG_ENABLE_PIPELINING_DEFAULT 0
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#define STARFORTH_CONFIG_ROLLING_WINDOW_SIZE_DEFAULT 4096
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#define STARFORTH_CONFIG_TRANSITION_WINDOW_SIZE_DEFAULT 8
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#define STARFORTH_CONFIG_ADAPTIVE_SHRINK_RATE_DEFAULT 50
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#define STARFORTH_CONFIG_ADAPTIVE_MIN_WINDOW_SIZE_DEFAULT 256
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#define STARFORTH_CONFIG_ADAPTIVE_CHECK_FREQUENCY_DEFAULT 512
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#define STARFORTH_CONFIG_ADAPTIVE_GROWTH_THRESHOLD_DEFAULT 5
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#define STARFORTH_CONFIG_INITIAL_DECAY_SLOPE_Q48_DEFAULT 21845
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#define STARFORTH_CONFIG_DECAY_MIN_INTERVAL_DEFAULT 1000ULL
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#define STARFORTH_CONFIG_DECAY_RATE_PER_US_Q16_DEFAULT 1
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#define STARFORTH_CONFIG_HEARTBEAT_THREAD_ENABLED_DEFAULT 1
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#define STARFORTH_CONFIG_HEARTBEAT_TICK_NS_DEFAULT 10000ULL
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#define STARFORTH_CONFIG_HEARTBEAT_INFERENCE_FREQUENCY_DEFAULT 1000
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#define STARFORTH_CONFIG_HEARTBEAT_CHECK_FREQUENCY_DEFAULT 256
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#define STARFORTH_CONFIG_HEARTBEAT_WINDOW_TUNING_FREQUENCY_DEFAULT 1000
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#define STARFORTH_CONFIG_HEARTBEAT_SLOPE_VALIDATION_FREQUENCY_DEFAULT 5000
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#define STARFORTH_CONFIG_SSM_ENTROPY_HIGH_THRESHOLD_DEFAULT 0.75
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#define STARFORTH_CONFIG_SSM_CV_HIGH_THRESHOLD_DEFAULT 0.15
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#define STARFORTH_CONFIG_SSM_TEMPORAL_DECAY_THRESHOLD_DEFAULT 0.5
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#define STARFORTH_CONFIG_SSM_TEMPORAL_DECAY_LOW_THRESHOLD_DEFAULT 0.3
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#define STARFORTH_CONFIG_SSM_HYSTERESIS_TICKS_DEFAULT 5
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#define STARFORTH_CONFIG_SPECULATION_THRESHOLD_Q48_DEFAULT (0x8000LL)
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#define STARFORTH_CONFIG_SPECULATION_DEPTH_DEFAULT 1
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#define STARFORTH_CONFIG_MIN_SAMPLES_FOR_SPECULATION_DEFAULT 10
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#define STARFORTH_CONFIG_MISPREDICTION_COST_Q48_DEFAULT (25LL << 16)
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/* 1.10 in Q48.16 (1.10 * 65536 = 72089.6, rounds to 0x1199A). Was shipped
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* for years as 0x11999AL (an extra hex digit, ~17.6 in Q48.16, an order of
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* magnitude off from the documented 1.10 intent) -- found while migrating
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* this constant to Kconfig (see rev x in
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* docs/working/architecture/VM-FLEET-ATTRACTOR-DESIGN-20260705.md) and
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* fixed on Bob's explicit instruction (rev y). */
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#define STARFORTH_CONFIG_MINIMUM_PREFETCH_ROI_DEFAULT (0x1199AL)
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/* Public macros (overridable via -D) */
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#ifndef STRICT_PTR
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#define STRICT_PTR STARFORTH_CONFIG_STRICT_PTR_DEFAULT
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#endif
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#ifndef VM_STRICT_PTR
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#define VM_STRICT_PTR STRICT_PTR
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#endif
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#ifndef ENABLE_HOTWORDS_CACHE
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#define ENABLE_HOTWORDS_CACHE STARFORTH_CONFIG_ENABLE_HOTWORDS_CACHE_DEFAULT
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#endif
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#ifndef ENABLE_PIPELINING
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#define ENABLE_PIPELINING STARFORTH_CONFIG_ENABLE_PIPELINING_DEFAULT
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#endif
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#ifndef ROLLING_WINDOW_SIZE
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#define ROLLING_WINDOW_SIZE STARFORTH_CONFIG_ROLLING_WINDOW_SIZE_DEFAULT
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#endif
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#ifndef TRANSITION_WINDOW_SIZE
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#define TRANSITION_WINDOW_SIZE STARFORTH_CONFIG_TRANSITION_WINDOW_SIZE_DEFAULT
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#endif
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#ifndef ADAPTIVE_SHRINK_RATE
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#define ADAPTIVE_SHRINK_RATE STARFORTH_CONFIG_ADAPTIVE_SHRINK_RATE_DEFAULT
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#endif
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#ifndef ADAPTIVE_MIN_WINDOW_SIZE
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#define ADAPTIVE_MIN_WINDOW_SIZE STARFORTH_CONFIG_ADAPTIVE_MIN_WINDOW_SIZE_DEFAULT
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#endif
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#ifndef ADAPTIVE_CHECK_FREQUENCY
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#define ADAPTIVE_CHECK_FREQUENCY STARFORTH_CONFIG_ADAPTIVE_CHECK_FREQUENCY_DEFAULT
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#endif
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#ifndef ADAPTIVE_GROWTH_THRESHOLD
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#define ADAPTIVE_GROWTH_THRESHOLD STARFORTH_CONFIG_ADAPTIVE_GROWTH_THRESHOLD_DEFAULT
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#endif
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#ifndef INITIAL_DECAY_SLOPE_Q48
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#define INITIAL_DECAY_SLOPE_Q48 STARFORTH_CONFIG_INITIAL_DECAY_SLOPE_Q48_DEFAULT
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#endif
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#ifndef DECAY_MIN_INTERVAL
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#define DECAY_MIN_INTERVAL STARFORTH_CONFIG_DECAY_MIN_INTERVAL_DEFAULT
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#endif
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#ifndef DECAY_RATE_PER_US_Q16
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#define DECAY_RATE_PER_US_Q16 STARFORTH_CONFIG_DECAY_RATE_PER_US_Q16_DEFAULT
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#endif
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#ifndef HEARTBEAT_THREAD_ENABLED
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#define HEARTBEAT_THREAD_ENABLED STARFORTH_CONFIG_HEARTBEAT_THREAD_ENABLED_DEFAULT
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#endif
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#ifndef HEARTBEAT_TICK_NS
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#define HEARTBEAT_TICK_NS STARFORTH_CONFIG_HEARTBEAT_TICK_NS_DEFAULT
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#endif
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#ifndef HEARTBEAT_INFERENCE_FREQUENCY
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#define HEARTBEAT_INFERENCE_FREQUENCY STARFORTH_CONFIG_HEARTBEAT_INFERENCE_FREQUENCY_DEFAULT
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#endif
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#ifndef HEARTBEAT_CHECK_FREQUENCY
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#define HEARTBEAT_CHECK_FREQUENCY STARFORTH_CONFIG_HEARTBEAT_CHECK_FREQUENCY_DEFAULT
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#endif
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#ifndef HEARTBEAT_WINDOW_TUNING_FREQUENCY
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#define HEARTBEAT_WINDOW_TUNING_FREQUENCY STARFORTH_CONFIG_HEARTBEAT_WINDOW_TUNING_FREQUENCY_DEFAULT
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#endif
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#ifndef HEARTBEAT_SLOPE_VALIDATION_FREQUENCY
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#define HEARTBEAT_SLOPE_VALIDATION_FREQUENCY STARFORTH_CONFIG_HEARTBEAT_SLOPE_VALIDATION_FREQUENCY_DEFAULT
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#endif
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#ifndef SSM_ENTROPY_HIGH_THRESHOLD
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#define SSM_ENTROPY_HIGH_THRESHOLD STARFORTH_CONFIG_SSM_ENTROPY_HIGH_THRESHOLD_DEFAULT
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#endif
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#ifndef SSM_CV_HIGH_THRESHOLD
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#define SSM_CV_HIGH_THRESHOLD STARFORTH_CONFIG_SSM_CV_HIGH_THRESHOLD_DEFAULT
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#endif
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#ifndef SSM_TEMPORAL_DECAY_THRESHOLD
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#define SSM_TEMPORAL_DECAY_THRESHOLD STARFORTH_CONFIG_SSM_TEMPORAL_DECAY_THRESHOLD_DEFAULT
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#endif
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#ifndef SSM_TEMPORAL_DECAY_LOW_THRESHOLD
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#define SSM_TEMPORAL_DECAY_LOW_THRESHOLD STARFORTH_CONFIG_SSM_TEMPORAL_DECAY_LOW_THRESHOLD_DEFAULT
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#endif
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#ifndef SSM_HYSTERESIS_TICKS
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#define SSM_HYSTERESIS_TICKS STARFORTH_CONFIG_SSM_HYSTERESIS_TICKS_DEFAULT
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#endif
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#ifndef SPECULATION_THRESHOLD_Q48
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#define SPECULATION_THRESHOLD_Q48 STARFORTH_CONFIG_SPECULATION_THRESHOLD_Q48_DEFAULT
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#endif
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#ifndef SPECULATION_DEPTH
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#define SPECULATION_DEPTH STARFORTH_CONFIG_SPECULATION_DEPTH_DEFAULT
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#endif
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#ifndef MIN_SAMPLES_FOR_SPECULATION
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#define MIN_SAMPLES_FOR_SPECULATION STARFORTH_CONFIG_MIN_SAMPLES_FOR_SPECULATION_DEFAULT
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#endif
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#ifndef MISPREDICTION_COST_Q48
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#define MISPREDICTION_COST_Q48 STARFORTH_CONFIG_MISPREDICTION_COST_Q48_DEFAULT
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#endif
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#ifndef MINIMUM_PREFETCH_ROI
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#define MINIMUM_PREFETCH_ROI STARFORTH_CONFIG_MINIMUM_PREFETCH_ROI_DEFAULT
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#endif
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#endif /* STARFORTH_CONFIG_H */
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