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kern: load initial process binary from user pool, rather than from pt heap

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Michael Scire 2021-04-07 12:25:10 -07:00 • committed by SciresM
parent a1e137cc1c
commit 0f8b7be2d2
13 changed files with 350 additions and 184 deletions
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3
mesosphere/kernel/source/arch/arm64/init/kern_init_core.cpp
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@ -362,10 +362,9 @@ namespace ams::kern::init {
/* NOTE: Nintendo does this only on 10.0.0+ */
init_pt.PhysicallyRandomize(slab_region_start, slab_region_size, false);
/* Determine size available for kernel page table heaps, requiring > 8 MB. */
/* Determine size available for kernel page table heaps. */
const KPhysicalAddress resource_end_phys_addr = slab_start_phys_addr + resource_region_size;
const size_t page_table_heap_size = GetInteger(resource_end_phys_addr) - GetInteger(slab_end_phys_addr);
MESOSPHERE_INIT_ABORT_UNLESS(page_table_heap_size / 4_MB > 2);
/* Insert a physical region for the kernel page table heap region */
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(GetInteger(slab_end_phys_addr), page_table_heap_size, KMemoryRegionType_DramKernelPtHeap));

2
mesosphere/kernel/source/arch/arm64/init/start.s
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@ -53,7 +53,7 @@ __metadata_kernel_layout:
.word __bss_start__ - _start /* rw_end_offset */
.word __bss_start__ - _start /* bss_offset */
.word __bss_end__ - _start /* bss_end_offset */
.word __end__ - _start /* ini_load_offset */
.word __end__ - _start /* resource_offset */
.word _DYNAMIC - _start /* dynamic_offset */
.word __init_array_start - _start /* init_array_offset */
.word __init_array_end - _start /* init_array_end_offset */