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Move context area definition to native_type

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This commit is contained in:
Alexander Boettcher
2012-08-29 14:42:56 +02:00
committed by Norman Feske
parent 62d81ae487
commit ea38aad30e
33 changed files with 275 additions and 110 deletions
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19
base-linux/include/base/native_types.h
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@@ -15,6 +15,7 @@
#define _INCLUDE__BASE__NATIVE_TYPES_H_
#include <base/native_capability.h>
#include <base/stdint.h>
/*
* We cannot just include <semaphore.h> and <pthread.h> here
@@ -107,6 +108,24 @@ namespace Genode {
typedef Native_capability_tpl<Cap_dst_policy> Native_capability;
typedef int Native_connection_state; /* socket descriptor */
struct Native_config
{
/**
* Thread-context area configuration.
*
* Please update platform-specific files after changing these
* values, e.g., 'base-linux/src/platform/context_area.*.ld'.
*/
static addr_t context_area_virtual_base() { return 0x40000000UL; }
static addr_t context_area_virtual_size() { return 0x10000000UL; }
/**
* Size of virtual address region holding the context of one thread
*/
static addr_t context_virtual_size() { return 0x00100000UL; }
};
}
#endif /* _INCLUDE__BASE__NATIVE_TYPES_H_ */

2
base-linux/src/core/context_area.cc
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@@ -46,7 +46,7 @@ class Context_area_rm_session : public Genode::Rm_session
/* convert context-area-relative to absolute virtual address */
addr_t addr = local_addr;
addr += Thread_base::CONTEXT_AREA_VIRTUAL_BASE;
addr += Native_config::context_area_virtual_base();
/* use anonymous mmap for allocating stack backing store */
int flags = MAP_FIXED | MAP_ANONYMOUS | MAP_PRIVATE;

4
base-linux/src/platform/_main_helper.h
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@@ -30,8 +30,8 @@ static inline void main_thread_bootstrap()
using namespace Genode;
/* reserve context area */
Genode::addr_t base = Thread_base::CONTEXT_AREA_VIRTUAL_BASE;
Genode::size_t size = Thread_base::CONTEXT_AREA_VIRTUAL_SIZE;
Genode::addr_t base = Native_config::context_area_virtual_base();
Genode::size_t size = Native_config::context_area_virtual_size();
if (lx_vm_reserve(base, size) != base)
PERR("reservation of context area [%lx,%lx) failed",
(unsigned long) base, (unsigned long) base + size);