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[libcpu][aarch64]memory setup using memblock (#9092)

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* memory setup using memblock

* map pages later
This commit is contained in:
zms123456
2024-06-26 14:36:49 +08:00
committed by GitHub
parent ac2664438d
commit b785ef9ed7
9 changed files with 112 additions and 458 deletions
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components/drivers/core/mnt.c
+7 -14
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@@ -21,10 +21,10 @@
#include <msh.h>
#endif
#include <ioremap.h>
#include <mm_memblock.h>
#ifdef RT_USING_OFW
#define bootargs_select rt_ofw_bootargs_select
#define memregion_request rt_fdt_commit_memregion_request
#else
#error Platform have not kernel parameters select interfaces!
#endif
@@ -41,23 +41,16 @@ static int rootfs_mnt_init(void)
if (!dev || !fstype)
{
const char *name = "initrd";
rt_size_t mem_region_nr;
rt_region_t *mem_region;
rt_uint64_t initrd_start = 0, initrd_end = 0;
struct rt_mmblk_reg *iter = RT_NULL;
if (!memregion_request(&mem_region, &mem_region_nr, RT_TRUE))
rt_slist_for_each_entry(iter, &(rt_memblock_get_reserved()->reg_list), node)
{
while (mem_region_nr-- > 0)
if (rt_strcmp(iter->memreg.name, name) == 0)
{
if (mem_region->name == name || !rt_strcmp(mem_region->name, name))
{
initrd_start = mem_region->start;
initrd_end = mem_region->end;
break;
}
mem_region++;
initrd_start = iter->memreg.start;
initrd_end = iter->memreg.end;
break;
}
}