31 lines
1.9 KiB
C
31 lines
1.9 KiB
C
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#ifndef GLYPH_DECODE_H
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#define GLYPH_DECODE_H
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#include "glyph_types.h"
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static inline GlyphInstr glyph_decode(uint32_t word) {
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GlyphInstr ins;
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ins.family_id = (word >> 26) & 0x3F;
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ins.sub_id = (word >> 21) & 0x1F;
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ins.mode = (word >> 19) & 0x03;
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ins.opclass = (word >> 16) & 0x07;
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ins.opcode_local = word & 0xFFFF;
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return ins;
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}
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static inline uint32_t glyph_encode(uint8_t family_id, uint8_t sub_id, uint8_t mode, uint8_t opclass, uint16_t opcode_local) {
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return ((uint32_t)(family_id & 0x3F) << 26) | ((uint32_t)(sub_id & 0x1F) << 21) | ((uint32_t)(mode & 0x03) << 19) | ((uint32_t)(opclass & 0x07) << 16) | (uint32_t)(opcode_local);
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}
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static inline void glyph_decode_ops(uint16_t opcode_local, uint8_t *op_a, uint8_t *op_b) {
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*op_a = (opcode_local >> 8) & 0xFF;
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*op_b = opcode_local & 0xFF;
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}
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static inline uint16_t glyph_encode_ops(uint8_t op_a, uint8_t op_b) { return ((uint16_t)op_a << 8) | (uint16_t)op_b; }
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static inline const char *glyph_mode_str(uint8_t mode) {
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switch (mode) { case MODE_USER: return "user"; case MODE_KERNEL: return "kernel"; case MODE_SYSTEM: return "system"; case MODE_RESERVED: return "reserved"; default: return "unknown"; }
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}
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static inline const char *glyph_opclass_str(uint8_t opclass) {
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switch (opclass) { case OPCLASS_MEM: return "MEM"; case OPCLASS_CMP: return "CMP"; case OPCLASS_CTL: return "CTL"; case OPCLASS_IPC: return "IPC"; case OPCLASS_SYS: return "SYS"; case OPCLASS_APP: return "APP"; case OPCLASS_EXT: return "EXT"; case OPCLASS_EXT2: return "EXT2"; default: return "???"; }
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}
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static inline const char *glyph_lineage_str(uint8_t family_id) {
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if (family_id <= FAMILY_MEM_END) return "MEM"; if (family_id <= FAMILY_CMP_END) return "CMP"; if (family_id <= FAMILY_CTL_END) return "CTL"; if (family_id <= FAMILY_IPC_END) return "IPC"; if (family_id <= FAMILY_SYS_END) return "SYS"; return "APP";
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}
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#endif
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