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@ -357,7 +357,7 @@ int do_rspr (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) |
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reg = (unsigned int)simple_strtoul (argv[1], NULL, 16); |
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val = (unsigned int)simple_strtoul (argv[2], NULL, 16); |
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if (argc < 1) { |
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if (argc < 2) { |
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printf ("Usage:\n%s\n", cmdtp->usage); |
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return 1; |
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} |
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@ -382,6 +382,7 @@ int do_rspr (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) |
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puts ("ESR"); |
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break; |
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default: |
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puts ("Unsupported register\n"); |
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return 1; |
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} |
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printf (": 0x%08lx\n", val); |
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@ -408,10 +409,10 @@ U_BOOT_CMD (fwr, 4, 1, do_fwr, |
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" 3 - blocking control write\n"); |
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U_BOOT_CMD (rspr, 3, 1, do_rspr, |
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"rmsr - read/write special purpose register\n", |
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"rspr - read/write special purpose register\n", |
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"- reg_num [write value] read/write special purpose register\n" |
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" 0 - MSR - Machine status register\n" |
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" 1 - EAR - Exception address register\n" |
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" 2 - ESR - Exception status register\n"); |
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" 1 - MSR - Machine status register\n" |
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" 3 - EAR - Exception address register\n" |
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" 5 - ESR - Exception status register\n"); |
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#endif /* CONFIG_MICROBLAZE & CFG_CMD_MFSL */ |
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