| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | #include <common.h>
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| 2 | #include <watchdog.h>
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| 3 | #include <linux/string.h>
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| 4 | #include <sha256.h>
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| 5 | #include <tee.h>
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| 6 | #include <asm/arch/cpu.h>
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| 7 |
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| 8 | void sha256_starts(sha256_context * ctx)
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| 9 | {
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| 10 | #ifdef CONFIG_ASR_TE200
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| 11 | if (cpu_is_asr1903_b0()) {
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| 12 | #ifdef CONFIG_TEE_OS
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| 13 | sha256_starts_optee(ctx);
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| 14 | if (ctx->tee_sha256 == TEE_SUCCESS)
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| 15 | return;
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| 16 | #else
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| 17 | return sha256_starts_te200(ctx);
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| 18 | #endif
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| 19 | }
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| 20 | #endif
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| 21 |
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| 22 | #ifdef CONFIG_ASR_BCM
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| 23 | if (cpu_is_asr1901() || cpu_is_asr1906()) {
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| 24 | #ifdef CONFIG_TEE_OS
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| 25 | sha256_starts_optee(ctx);
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| 26 | if (ctx->tee_sha256 == TEE_SUCCESS)
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| 27 | return;
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| 28 | #else
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| 29 | return sha256_starts_bcm(ctx);
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| 30 | #endif
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| 31 | }
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| 32 | #endif
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| 33 |
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| 34 | return sha256_starts_neon(ctx);
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| 35 | }
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| 36 |
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| 37 | void sha256_update(sha256_context *ctx, const uint8_t *input, uint32_t length)
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| 38 | {
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| 39 | #ifdef CONFIG_ASR_TE200
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| 40 | if (cpu_is_asr1903_b0()) {
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| 41 | #ifdef CONFIG_TEE_OS
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| 42 | if (ctx->tee_sha256 == TEE_SUCCESS)
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| 43 | return sha256_update_optee(ctx, input, length);
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| 44 | #else
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| 45 | return sha256_update_te200(ctx, input, length);
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| 46 | #endif
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| 47 | }
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| 48 | #endif
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| 49 |
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| 50 | #ifdef CONFIG_ASR_BCM
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| 51 | if (cpu_is_asr1901() || cpu_is_asr1906()) {
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| 52 | #ifdef CONFIG_TEE_OS
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| 53 | if (ctx->tee_sha256 == TEE_SUCCESS)
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| 54 | return sha256_update_optee(ctx, input, length);
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| 55 | #else
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| 56 | return sha256_update_bcm(ctx, input, length);
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| 57 | #endif
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| 58 | }
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| 59 | #endif
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| 60 |
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| 61 | return sha256_update_neon(ctx, input, length);
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| 62 | }
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| 63 |
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| 64 | void sha256_finish(sha256_context * ctx, uint8_t digest[32])
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| 65 | {
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| 66 | #ifdef CONFIG_ASR_TE200
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| 67 | if (cpu_is_asr1903_b0()) {
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| 68 | #ifdef CONFIG_TEE_OS
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| 69 | if (ctx->tee_sha256 == TEE_SUCCESS)
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| 70 | return sha256_finish_optee(ctx, digest);
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| 71 | #else
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| 72 | return sha256_finish_te200(ctx, digest);
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| 73 | #endif
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| 74 | }
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| 75 | #endif
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| 76 |
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| 77 | #ifdef CONFIG_ASR_BCM
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| 78 | if (cpu_is_asr1901() || cpu_is_asr1906()) {
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| 79 | #ifdef CONFIG_TEE_OS
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| 80 | if (ctx->tee_sha256 == TEE_SUCCESS)
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| 81 | return sha256_finish_optee(ctx, digest);
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| 82 | #else
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| 83 | return sha256_finish_bcm(ctx, digest);
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| 84 | #endif
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| 85 | }
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| 86 | #endif
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| 87 |
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| 88 | return sha256_finish_neon(ctx, digest);
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| 89 | }
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| 90 |
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| 91 |
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| 92 | void sha256_csum_wd(const unsigned char *input, unsigned int ilen,
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| 93 | unsigned char *output, unsigned int chunk_sz)
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| 94 | {
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| 95 | sha256_context ctx;
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| 96 | #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
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| 97 | unsigned char *end, *curr;
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| 98 | int chunk;
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| 99 | #endif
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| 100 |
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| 101 | sha256_starts(&ctx);
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| 102 |
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| 103 | #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
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| 104 | curr = input;
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| 105 | end = input + ilen;
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| 106 | while (curr < end) {
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| 107 | chunk = end - curr;
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| 108 | if (chunk > chunk_sz)
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| 109 | chunk = chunk_sz;
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| 110 | sha256_update(&ctx, curr, chunk);
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| 111 | curr += chunk;
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| 112 | WATCHDOG_RESET();
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| 113 | }
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| 114 | #else
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| 115 | sha256_update(&ctx, input, ilen);
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| 116 | #endif
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| 117 |
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| 118 | sha256_finish(&ctx, output);
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| 119 | }
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