Function report |
Source Code:arch\x86\kernel\acpi\cstate.c |
Create Date:2022-07-28 08:17:51 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
home page | Tree |
Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:acpi_processor_ffh_cstate_probe_cpu
Proto:static long acpi_processor_ffh_cstate_probe_cpu(void *_cx)
Type:long
Parameter:
Type | Parameter | Name |
---|---|---|
void * | _cx |
111 | cstate_type = ( address >> MWAIT_SUBSTATE_SIZE & MWAIT_CSTATE_MASK) + 1 |
113 | edx_part = edx >> cstate_type * MWAIT_SUBSTATE_SIZE |
116 | retval = 0 |
118 | If num_cstate_subtype == 0 Then |
119 | pr_warn(FW_BUG* Add this to a message where you are sure the firmware is buggy or behaves* really stupid or out of spec"ACPI MWAIT C-state 0x%x not supported by HW (0x%x)\n", address, edx_part) |
121 | retval = -1 |
122 | Go to out |
126 | If Not (ecx & CPUID5_ECX_EXTENSIONS_SUPPORTED) || Not (ecx & CPUID5_ECX_INTERRUPT_BREAK) Then |
132 | If Not mwait_supported[cstate_type] Then |
133 | mwait_supported[cstate_type] = 1 |
134 | printk(debug-level messages "Monitor-Mwait will be used to enter C-%d state\n", type) |
141 | out : |
142 | Return retval |
Source code conversion tool public plug-in interface | X |
---|---|
Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion |