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Code Issues Releases Wiki Activity

enable a check if the HermitCore app depends on a proxy

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This commit is contained in:
Stefan Lankes 2017-04-03 09:16:54 +02:00
parent 1e3a73ea44
commit c3a4a6e2df
4 changed files with 25 additions and 14 deletions
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17
arch/x86/kernel/tasks.c
View file

@ -37,6 +37,7 @@
#include <hermit/logging.h>
#include <asm/tss.h>
#include <asm/page.h>
#include <asm/multiboot.h>
#define TLS_OFFSET 8
@ -96,6 +97,22 @@ static int thread_entry(void* arg, size_t ep)
return 0;
}
int is_proxy(void)
{
if (is_uhyve())
return 0;
if (!is_single_kernel())
return 1;
if (mb_info && (mb_info->flags & MULTIBOOT_INFO_CMDLINE))
{
// search in the command line for cpu frequency
char* found = strstr((char*) (size_t)mb_info->cmdline, "-proxy");
if (!found)
return 1;
}
return 0;
}
size_t* get_current_stack(void)
{
task_t* curr_task = per_core(current_task);

4
include/hermit/tasks.h
View file

@ -270,6 +270,10 @@ static inline void check_workqueues(void)
check_workqueues_in_irqhandler(-1);
}
/** @brief check if a proxy is available
*/
int is_proxy(void);
#ifdef __cplusplus
}
#endif

12
kernel/main.c
View file

@ -404,7 +404,7 @@ static int initd(void* arg)
// initialize network
err = init_netifs();
if (is_uhyve() || (err != 0))
if ((err != 0) || is_proxy())
{
char* dummy[] = {"app_name", NULL};
@ -415,16 +415,6 @@ static int initd(void* arg)
return 0;
}
#if 0
if (is_single_kernel()) {
char* dummy[] = {"app_name", NULL};
libc_start(1, dummy, NULL);
return 0;
}
#endif
// initialize iRCCE
if (!is_single_kernel())
init_rcce();

6
tools/proxy.c
View file

@ -126,7 +126,7 @@ static void exit_handler(int sig)
exit(0);
}
static char* cpufreq(void)
static char* get_append_string(void)
{
char line[2048];
char* match;
@ -148,7 +148,7 @@ static char* cpufreq(void)
;
*point = '\0';
snprintf(cmdline, MAX_PATH, "-freq%s", match);
snprintf(cmdline, MAX_PATH, "\"-freq%s -proxy\"", match);
fclose(fp);
return cmdline;
@ -314,7 +314,7 @@ static int qemu_init(char *path)
char port_str[MAX_PATH];
pid_t qemu_pid;
char* qemu_str = "qemu-system-x86_64";
char* qemu_argv[] = {qemu_str, "-daemonize", "-display", "none", "-smp", "1", "-m", "2G", "-pidfile", pidname, "-net", "nic,model=rtl8139", "-net", hostfwd, "-chardev", chardev_file, "-device", "pci-serial,chardev=gnc0", "-kernel", loader_path, "-initrd", path, "-append", cpufreq(), NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL};
char* qemu_argv[] = {qemu_str, "-daemonize", "-display", "none", "-smp", "1", "-m", "2G", "-pidfile", pidname, "-net", "nic,model=rtl8139", "-net", hostfwd, "-chardev", chardev_file, "-device", "pci-serial,chardev=gnc0", "-kernel", loader_path, "-initrd", path, "-append", get_append_string(), NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL};
str = getenv("HERMIT_CPUS");
if (str)