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base: Unify 'Platform_env' across platforms

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This commit is contained in:
Norman Feske
2013-09-25 15:36:23 +02:00
parent 93bd4d55f8
commit ae40cb545c
6 changed files with 242 additions and 269 deletions
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102
base-linux/src/base/env/platform_env.h vendored
View File

@ -12,22 +12,45 @@
* under the terms of the GNU General Public License version 2.
*/
#ifndef _INCLUDE__BASE__PLATFORM_ENV_H_
#define _INCLUDE__BASE__PLATFORM_ENV_H_
#ifndef _PLATFORM_ENV_H_
#define _PLATFORM_ENV_H_
/* Linux includes */
#include <unistd.h>
#include <stdlib.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <base/env.h>
#include <base/printf.h>
/* Genode includes */
#include <util/misc_math.h>
#include <base/heap.h>
#include <parent/client.h>
#include <ram_session/client.h>
#include <linux_cpu_session/client.h>
#include <pd_session/client.h>
/* local includes (from 'base/src/base/env/') */
#include <platform_env_common.h>
namespace Genode {
struct Expanding_cpu_session_client;
class Platform_env;
}
struct Genode::Expanding_cpu_session_client
:
Upgradeable_client<Genode::Linux_cpu_session_client>
{
Expanding_cpu_session_client(Genode::Capability<Linux_cpu_session> cap)
: Upgradeable_client<Genode::Linux_cpu_session_client>(cap) { }
Thread_capability create_thread(Name const &name, addr_t utcb)
{
return retry<Cpu_session::Out_of_metadata>(
[&] () { return Linux_cpu_session_client::create_thread(name, utcb); },
[&] () { upgrade_ram(8*1024); });
}
};
namespace Genode {
@ -292,69 +315,6 @@ namespace Genode {
private:
class Expanding_ram_session_client : public Ram_session_client
{
Ram_session_capability _cap;
public:
Expanding_ram_session_client(Ram_session_capability cap)
: Ram_session_client(cap), _cap(cap) { }
Ram_dataspace_capability alloc(size_t size, bool cached)
{
bool try_again;
do {
try_again = false;
try {
return Ram_session_client::alloc(size, cached);
} catch (Ram_session::Out_of_metadata) {
/* give up if the error occurred a second time */
if (try_again)
break;
PINF("upgrading quota donation for Env::RAM session");
env()->parent()->upgrade(_cap, "ram_quota=8K");
try_again = true;
}
} while (try_again);
return Ram_dataspace_capability();
}
};
class Expanding_cpu_session_client : public Linux_cpu_session_client
{
Cpu_session_capability _cap;
public:
Expanding_cpu_session_client(Cpu_session_capability cap)
: Linux_cpu_session_client(static_cap_cast<Linux_cpu_session>(cap)), _cap(cap) { }
Thread_capability create_thread(Name const &name, addr_t utcb = 0) {
bool try_again;
do {
try_again = false;
try {
return Linux_cpu_session_client::create_thread(name, utcb);
}
catch (Cpu_session::Out_of_metadata) {
if (try_again)
break;
PINF("upgrade quota donation for Env::CPU session");
env()->parent()->upgrade(_cap, "ram_quota=8K");
try_again = true;
}
} while (try_again);
return Thread_capability();
}
};
/*******************************
** Platform-specific members **
*******************************/
@ -481,4 +441,4 @@ namespace Genode {
};
}
#endif /* _INCLUDE__BASE__PLATFORM_ENV_H_ */
#endif /* _PLATFORM_ENV_H_ */

1
base-linux/src/core/target.mk
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@ -29,6 +29,7 @@ INC_DIR += $(REP_DIR)/src/core/include \
$(REP_DIR)/src/platform \
$(REP_DIR)/src/base/ipc \
$(REP_DIR)/src/base/env \
$(BASE_DIR)/src/base/env \
$(REP_DIR)/src/base/console \
$(BASE_DIR)/src/base/thread \