Merge branch 'dev' of https://github.com/ShirkNeko/SukiSU-Ultra into dev
This commit is contained in:
@@ -406,22 +406,15 @@ typedef enum {
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RELOC_OP_PAGE
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} reloc_op_t;
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typedef enum {
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AARCH64_INSN_IMM_16, // 16-bit 立即数(MOVZ/MOVK)
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AARCH64_INSN_IMM_26, // 26-bit 跳转偏移(B/BL)
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AARCH64_INSN_IMM_ADR, // 21-bit 页偏移(ADR/ADRP)
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AARCH64_INSN_IMM_19 // 19-bit 条件跳转
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} aarch64_insn_imm_type;
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/* 编码立即数到指令 */
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static u32 aarch64_insn_encode_immediate(u32 insn, s64 imm, int shift, int bits)
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static u32 K_aarch64_insn_encode_immediate(u32 insn, s64 imm, int shift, int bits)
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{
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u32 mask = (BIT(bits) - 1) << shift;
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return (insn & ~mask) | ((imm & (BIT(bits) - 1)) << shift);
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}
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/* 修补指令中的立即数字段 */
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int aarch64_insn_patch_imm(void *addr, aarch64_insn_imm_type type, s64 imm)
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int aarch64_insn_patch_imm(void *addr, enum aarch64_insn_imm_type type, s64 imm)
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{
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u32 insn = le32_to_cpu(*(u32 *)addr);
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u32 new_insn;
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@@ -429,19 +422,19 @@ int aarch64_insn_patch_imm(void *addr, aarch64_insn_imm_type type, s64 imm)
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switch (type) {
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case AARCH64_INSN_IMM_16:
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/* MOVZ/MOVK: imm[15:0] → shift=5, bits=16 */
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new_insn = aarch64_insn_encode_immediate(insn, imm, 5, 16);
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new_insn = K_aarch64_insn_encode_immediate(insn, imm, 5, 16);
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break;
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case AARCH64_INSN_IMM_26:
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/* B/BL: offset[25:0] → shift=0, bits=26 */
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new_insn = aarch64_insn_encode_immediate(insn, imm, 0, 26);
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new_insn = K_aarch64_insn_encode_immediate(insn, imm, 0, 26);
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break;
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case AARCH64_INSN_IMM_ADR:
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/* ADR/ADRP: imm[20:0] → shift=5, bits=21 */
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new_insn = aarch64_insn_encode_immediate(insn, imm, 5, 21);
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new_insn = K_aarch64_insn_encode_immediate(insn, imm, 5, 21);
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break;
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case AARCH64_INSN_IMM_19:
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/* 条件跳转: offset[18:0] → shift=5, bits=19 */
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new_insn = aarch64_insn_encode_immediate(insn, imm, 5, 19);
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new_insn = K_aarch64_insn_encode_immediate(insn, imm, 5, 19);
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break;
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default:
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return -EINVAL;
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