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hv: add shell command to trigger crash

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this patch add shell command trigger crash for testing crashmode/ramdump

Signed-off-by: zhouji3x <jianfengx.zhou@intel.com>
Reviewed-by: Yin Fengwei <fengwei.yin@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
zhouji3x 2018-05-30 09:44:34 +08:00 committed by lijinxia
parent 59f1f005aa
commit 5f5c16dc15
3 changed files with 21 additions and 0 deletions
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11
hypervisor/debug/shell_internal.c
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@ -1055,6 +1055,17 @@ int shell_cpuid(struct shell *p_shell, int argc, char **argv)
return 0; return 0;
} }
int shell_trigger_crash(struct shell *p_shell, int argc, char **argv)
{
char str[MAX_STR_SIZE] = {0};
snprintf(str, MAX_STR_SIZE, "trigger crash, divide by 0 ...\r\n");
shell_puts(p_shell, str);
snprintf(str, MAX_STR_SIZE, "%d\r", 1/0);
return 0;
}
int shell_terminate_serial(struct shell *p_shell) int shell_terminate_serial(struct shell *p_shell)
{ {
/* Shell shouldn't own the serial port handle anymore. */ /* Shell shouldn't own the serial port handle anymore. */

4
hypervisor/debug/shell_internal.h
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@ -133,6 +133,9 @@ struct shell_cmd {
#define SHELL_CMD_CPUID_PARAM "<leaf> [subleaf]" #define SHELL_CMD_CPUID_PARAM "<leaf> [subleaf]"
#define SHELL_CMD_CPUID_HELP "cpuid leaf [subleaf], in hexadecimal" #define SHELL_CMD_CPUID_HELP "cpuid leaf [subleaf], in hexadecimal"
#define SHELL_CMD_TRIGGER_CRASH "crash"
#define SHELL_CMD_TRIGGER_CRASH_PARAM NULL
#define SHELL_CMD_TRIGGER_CRASH_HELP "trigger crash"
/* Global function prototypes */ /* Global function prototypes */
int shell_show_req_info(struct shell *p_shell, int argc, char **argv); int shell_show_req_info(struct shell *p_shell, int argc, char **argv);
@ -169,5 +172,6 @@ void kick_shell(struct shell *p_shell);
int shell_puts(struct shell *p_shell, char *str_ptr); int shell_puts(struct shell *p_shell, char *str_ptr);
int shell_set_name(struct shell *p_shell, char *name); int shell_set_name(struct shell *p_shell, char *name);
int shell_trigger_crash(struct shell *p_shell, int argc, char **argv);
#endif /* SHELL_INTER_H */ #endif /* SHELL_INTER_H */

6
hypervisor/debug/shell_public.c
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@ -125,6 +125,12 @@ static struct shell_cmd acrn_cmd[] = {
.help_str = SHELL_CMD_REBOOT_HELP, .help_str = SHELL_CMD_REBOOT_HELP,
.fcn = shell_reboot, .fcn = shell_reboot,
}, },
{
.str = SHELL_CMD_TRIGGER_CRASH,
.cmd_param = SHELL_CMD_TRIGGER_CRASH_PARAM,
.help_str = SHELL_CMD_TRIGGER_CRASH_HELP,
.fcn = shell_trigger_crash,
},
}; };
int shell_init(void) int shell_init(void)