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nova: initialize cap_map

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Issue #905
This commit is contained in:
Alexander Boettcher 2013-09-11 10:42:33 +02:00 committed by Norman Feske
parent f330b55227
commit 63d902543b
2 changed files with 83 additions and 2 deletions
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27
base-nova/src/core/platform.cc
View File

@ -17,7 +17,6 @@
#include <base/printf.h>
#include <base/sleep.h>
#include <base/thread.h>
#include <base/cap_sel_alloc.h>
/* core includes */
#include <core_parent.h>
@ -629,6 +628,32 @@ Platform::Platform() :
printf(":phys_alloc: "); _core_mem_alloc.phys_alloc()->raw()->dump_addr_tree();
printf(":io_mem_alloc: "); _io_mem_alloc.raw()->dump_addr_tree();
}
/* add capability selector ranges to map */
unsigned index = 0x2000;
for (unsigned i = 0; i < 16; i++)
{
void * phys_ptr = 0;
ram_alloc()->alloc(4096, &phys_ptr);
addr_t phys_addr = reinterpret_cast<addr_t>(phys_ptr);
addr_t core_local_addr = _map_page(phys_addr >> get_page_size_log2(),
1, false);
Cap_range * range = reinterpret_cast<Cap_range *>(core_local_addr);
*range = Cap_range(index);
cap_map()->insert(range);
/*
if (verbose_boot_info)
printf("add cap range [0x%8lx:0x%8lx) - physical 0x%8lx -> 0x%8lx\n",
range->base(),
range->base() + range->elements(), phys_addr, core_local_addr);
*/
index = range->base() + range->elements();
}
}

58
base-nova/src/platform/main_bootstrap.cc
View File

@ -12,4 +12,60 @@
* under the terms of the GNU General Public License version 2.
*/
namespace Genode { void platform_main_bootstrap() { /* dummy */ } }
#include <base/cap_map.h>
#include <base/env.h>
#include <base/printf.h>
namespace Genode { void platform_main_bootstrap(); }
enum { CAP_RANGE_START = 4096 };
Genode::Cap_range * initial_range()
{
static Genode::Cap_range range(CAP_RANGE_START);
return &range;
}
extern "C" Genode::addr_t __initial_sp;
void Genode::platform_main_bootstrap()
{
static struct Bootstrap
{
Bootstrap()
{
cap_map()->insert(initial_range());
/* for Core we can't perform the following code so early */
if (__initial_sp)
return;
unsigned index = initial_range()->base() + initial_range()->elements();
/*
printf("initial selector range [0x%8lx:0x%8lx)\n",
initial_range()->base(), initial_range()->base() +
initial_range()->elements());
*/
for (unsigned i = 0; i < 16; i++) {
Ram_dataspace_capability ds = env()->ram_session()->alloc(4096);
addr_t local = env()->rm_session()->attach(ds);
Cap_range * range = reinterpret_cast<Cap_range *>(local);
*range = Cap_range(index);
cap_map()->insert(range);
/*
printf("add cap selector range [0x%8lx:0x%8lx)\n",
range->base(), range->base() + range->elements());
*/
index = range->base() + range->elements();
}
}
} bootstrap;
}