forked from Mirrors/opensbi
		
	lib: sbi: Add BUG() macro for csr_read/write_num() and misa_string()
We use BUG() macro in csr_read_num(), csr_write_num(), and misa_string() functions for unhandled cases. Signed-off-by: Xiang W <wxjstz@126.com> Reviewed-by: Anup Patel <anup.patel@wdc.com>
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		@@ -11,6 +11,7 @@
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#include <sbi/riscv_encoding.h>
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#include <sbi/sbi_error.h>
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#include <sbi/sbi_platform.h>
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#include <sbi/sbi_console.h>
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/* determine CPU extension, return non-zero support */
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int misa_extension_imp(char ext)
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@@ -75,6 +76,7 @@ void misa_string(int xlen, char *out, unsigned int out_sz)
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			out[pos++] = '8';
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			break;
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		default:
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			BUG();
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			return;
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		}
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	}
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@@ -134,6 +136,7 @@ unsigned long csr_read_num(int csr_num)
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#endif
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	default:
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		BUG();
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		break;
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	};
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@@ -197,6 +200,7 @@ void csr_write_num(int csr_num, unsigned long val)
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	switchcase_csr_write_16(CSR_MHPMEVENT16, val)
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	default:
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		BUG();
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		break;
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	};
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