ACPICA: Split acpi_format_exception into two parts
Split acpi_format_exception into two parts. New function is acpi_ut_verify_exception and will be used to verify exception codes returned by user. Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
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@ -50,87 +50,6 @@ ACPI_EXPORT_SYMBOL(acpi_gbl_FADT)
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#define _COMPONENT ACPI_UTILITIES
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ACPI_MODULE_NAME("utglobal")
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/*******************************************************************************
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*
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* FUNCTION: acpi_format_exception
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*
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* PARAMETERS: Status - The acpi_status code to be formatted
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*
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* RETURN: A string containing the exception text. A valid pointer is
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* always returned.
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*
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* DESCRIPTION: This function translates an ACPI exception into an ASCII string.
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*
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******************************************************************************/
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const char *acpi_format_exception(acpi_status status)
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{
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acpi_status sub_status;
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const char *exception = NULL;
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ACPI_FUNCTION_ENTRY();
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/*
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* Status is composed of two parts, a "type" and an actual code
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*/
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sub_status = (status & ~AE_CODE_MASK);
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switch (status & AE_CODE_MASK) {
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case AE_CODE_ENVIRONMENTAL:
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if (sub_status <= AE_CODE_ENV_MAX) {
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exception = acpi_gbl_exception_names_env[sub_status];
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}
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break;
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case AE_CODE_PROGRAMMER:
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if (sub_status <= AE_CODE_PGM_MAX) {
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exception =
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acpi_gbl_exception_names_pgm[sub_status - 1];
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}
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break;
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case AE_CODE_ACPI_TABLES:
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if (sub_status <= AE_CODE_TBL_MAX) {
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exception =
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acpi_gbl_exception_names_tbl[sub_status - 1];
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}
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break;
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case AE_CODE_AML:
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if (sub_status <= AE_CODE_AML_MAX) {
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exception =
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acpi_gbl_exception_names_aml[sub_status - 1];
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}
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break;
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case AE_CODE_CONTROL:
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if (sub_status <= AE_CODE_CTRL_MAX) {
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exception =
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acpi_gbl_exception_names_ctrl[sub_status - 1];
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}
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break;
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default:
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break;
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}
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if (!exception) {
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/* Exception code was not recognized */
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ACPI_ERROR((AE_INFO,
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"Unknown exception code: 0x%8.8X", status));
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exception = "UNKNOWN_STATUS_CODE";
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}
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return (ACPI_CAST_PTR(const char, exception));
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}
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/*******************************************************************************
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*
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* Static global variable initialization.
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@ -182,10 +101,45 @@ const char *acpi_gbl_highest_dstate_names[4] = {
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/*******************************************************************************
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*
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* Namespace globals
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* FUNCTION: acpi_format_exception
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*
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* PARAMETERS: Status - The acpi_status code to be formatted
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*
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* RETURN: A string containing the exception text. A valid pointer is
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* always returned.
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*
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* DESCRIPTION: This function translates an ACPI exception into an ASCII string
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* It is here instead of utxface.c so it is always present.
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*
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******************************************************************************/
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const char *acpi_format_exception(acpi_status status)
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{
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const char *exception = NULL;
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ACPI_FUNCTION_ENTRY();
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exception = acpi_ut_validate_exception(status);
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if (!exception) {
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/* Exception code was not recognized */
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ACPI_ERROR((AE_INFO,
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"Unknown exception code: 0x%8.8X", status));
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exception = "UNKNOWN_STATUS_CODE";
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}
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return (ACPI_CAST_PTR(const char, exception));
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}
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ACPI_EXPORT_SYMBOL(acpi_format_exception)
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/*******************************************************************************
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*
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* Namespace globals
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*
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******************************************************************************/
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/*
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* Predefined ACPI Names (Built-in to the Interpreter)
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*
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