2026-08-09 22:14:01 +08:00
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/* deshab/boot_context.h - DSK 启动上下文与入口契约
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*
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* 整合 CODE/UTSM/include/utsm/dsk.h，为应用提供自包含的 boot context 定义。
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* DSK 加载 .elf 应用时，通过 dsk_entry(dsk_boot_context *ctx) 传递平台信息。
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*
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* reserved 槽位约定（消除散落的硬编码索引）：
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* [4] pe_service PE/EXE 兼容层服务指针
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* [5] linux_compat_service Linux 兼容层服务指针
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* [6] probe_info 插桩 probe 缓冲指针
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* [7] net_lease_info netman 网络租约指针
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*/
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#ifndef DESHAB_BOOT_CONTEXT_H
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#define DESHAB_BOOT_CONTEXT_H
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#include "types.h"
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#define DSK_BOOT_MAGIC 0x44534B31424F4F54ULL /* "DSK1BOOT" */
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#define DSK_BOOT_ABI_VERSION 1u
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#define DSK_BOOT_FLAG_FROM_UTSM (1ULL << 0)
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#define DSK_BOOT_FLAG_DKM_READY (1ULL << 1)
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#define DSK_BOOT_FLAG_FAT32_PATH (1ULL << 2)
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#define DSK_BOOT_FLAG_PROBE_INFO (1ULL << 3)
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2026-10-12 23:57:19 +08:00
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#define DSK_BOOT_FLAG_PANIC_FALLBACK (1ULL << 4) /* FUCK [panic] mode=fallback */
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2026-08-09 22:14:01 +08:00
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/* ---- reserved 槽位索引（dsk_boot_context.reserved[]） ---- */
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#define DSB_BOOT_RESERVED_PE_SERVICE 4u
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#define DSB_BOOT_RESERVED_LINUX_COMPAT 5u
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#define DSB_BOOT_RESERVED_PROBE_INFO 6u
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#define DSB_BOOT_RESERVED_NET_LEASE 7u
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/* ---- Probe 信息结构（通过 reserved[6] 传递） ---- */
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#define PROBE_INFO_MAGIC 0x50524F42u /* "PRFB" */
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typedef struct probe_info {
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u32 magic; /* PROBE_INFO_MAGIC */
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u32 version; /* ABI 版本，当前 1 */
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u64 probe_buf_addr; /* probe_entry 缓冲基地址 */
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u32 probe_cap; /* 缓冲容量（条目数） */
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u32 probe_head; /* 当前写入位置（递增取模） */
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u32 probe_count; /* 已写入总条目数 */
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u32 probe_dropped; /* 因缓冲满而覆盖的条目数 */
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u32 instr_enabled; /* g_instr_enabled 当前值 */
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u32 instr_probe_enable; /* g_instr_probe_enable 当前值 */
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u64 reserved[4];
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} probe_info;
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/* ---- 网络租约信息（netman 写入，经 reserved[7] 指针传递） ---- */
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#define NET_LEASE_MAGIC 0x4E45544Cu /* "NETL" */
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#define NET_LEASE_F_VALID (1u << 0) /* ip/gateway/dns 有效 */
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#define NET_LEASE_F_STATIC (1u << 1) /* 静态配置（非 DHCP） */
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typedef struct net_lease_info {
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u32 magic; /* NET_LEASE_MAGIC */
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u32 flags; /* NET_LEASE_F_* */
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u32 ip; /* guest IP（网络序） */
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u32 gateway; /* 网关（网络序） */
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u32 dns; /* DNS（网络序） */
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u32 server; /* DHCP server（网络序，调试） */
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u32 reserved[2];
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} net_lease_info;
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typedef struct dsk_boot_context {
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u64 magic;
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u32 abi_version;
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u32 size;
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u64 flags;
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u64 hhdm_offset;
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u64 rsdp_address;
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u64 framebuffer_address;
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u64 framebuffer_width;
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u64 framebuffer_height;
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u64 framebuffer_pitch;
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u32 framebuffer_bpp;
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u32 reserved_fb;
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u64 boot_modules_response;
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u64 dkm_kernel_api;
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u64 dkm_driver_table;
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u64 dkm_driver_count;
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u64 utsm_state;
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u64 drr_state;
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u64 memory_map;
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u64 memory_map_count;
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u64 memory_map_entry_size;
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u64 kernel_stack_top;
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u64 reserved[8];
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} dsk_boot_context;
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/* 应用入口点签名。DSK 加载 .elf 后调用 dsk_entry(context)。 */
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typedef void (*dsk_entry_fn)(const dsk_boot_context *context);
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#endif /* DESHAB_BOOT_CONTEXT_H */
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