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kern: update Initialize0 for new arguments/randomization semantics

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Michael Scire 2021-09-18 09:58:02 -07:00 • committed by SciresM
parent 2f2c36b22b
commit 481ce12b7b
13 changed files with 160 additions and 115 deletions
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37
libraries/libmesosphere/source/kern_initial_process.cpp
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@ -25,18 +25,18 @@ namespace ams::kern {
s32 priority;
};
constinit KPhysicalAddress g_initial_process_binary_phys_addr = Null<KPhysicalAddress>;
constinit KVirtualAddress g_initial_process_binary_address = Null<KVirtualAddress>;
constinit InitialProcessBinaryHeader g_initial_process_binary_header = {};
constinit size_t g_initial_process_secure_memory_size = 0;
constinit u64 g_initial_process_id_min = std::numeric_limits<u64>::max();
constinit u64 g_initial_process_id_max = std::numeric_limits<u64>::min();
void LoadInitialProcessBinaryHeader(KVirtualAddress virt_addr = Null<KVirtualAddress>) {
void LoadInitialProcessBinaryHeader() {
if (g_initial_process_binary_header.magic != InitialProcessBinaryMagic) {
/* Get the virtual address, if it's not overridden. */
if (virt_addr == Null<KVirtualAddress>) {
virt_addr = GetInitialProcessBinaryAddress();
}
/* Get the virtual address. */
MESOSPHERE_INIT_ABORT_UNLESS(g_initial_process_binary_phys_addr != Null<KPhysicalAddress>);
const KVirtualAddress virt_addr = KMemoryLayout::GetLinearVirtualAddress(g_initial_process_binary_phys_addr);
/* Copy and validate the header. */
g_initial_process_binary_header = *GetPointer<InitialProcessBinaryHeader>(virt_addr);
@ -273,10 +273,18 @@ namespace ams::kern {
}
}
ALWAYS_INLINE KVirtualAddress GetInitialProcessBinaryAddress(KVirtualAddress pool_end) {
return pool_end - InitialProcessBinarySizeMax;
}
}
void SetInitialProcessBinaryPhysicalAddress(KPhysicalAddress phys_addr) {
MESOSPHERE_INIT_ABORT_UNLESS(g_initial_process_binary_phys_addr == Null<KPhysicalAddress>);
g_initial_process_binary_phys_addr = phys_addr;
}
KPhysicalAddress GetInitialProcessBinaryPhysicalAddress() {
MESOSPHERE_INIT_ABORT_UNLESS(g_initial_process_binary_phys_addr != Null<KPhysicalAddress>);
return g_initial_process_binary_phys_addr;
}
u64 GetInitialProcessIdMin() {
@ -287,15 +295,6 @@ namespace ams::kern {
return g_initial_process_id_max;
}
KVirtualAddress GetInitialProcessBinaryAddress() {
/* Get, validate the pool region. */
const auto *pool_region = KMemoryLayout::GetVirtualMemoryRegionTree().FindLastDerived(KMemoryRegionType_VirtualDramUserPool);
MESOSPHERE_INIT_ABORT_UNLESS(pool_region != nullptr);
MESOSPHERE_INIT_ABORT_UNLESS(pool_region->GetEndAddress() != 0);
MESOSPHERE_ABORT_UNLESS(pool_region->GetSize() >= InitialProcessBinarySizeMax);
return GetInitialProcessBinaryAddress(pool_region->GetEndAddress());
}
size_t GetInitialProcessesSecureMemorySize() {
LoadInitialProcessBinaryHeader();
@ -321,10 +320,6 @@ namespace ams::kern {
}
}
void LoadInitialProcessBinaryHeaderDeprecated(KPhysicalAddress pool_end) {
LoadInitialProcessBinaryHeader(GetInitialProcessBinaryAddress(KMemoryLayout::GetLinearVirtualAddress(pool_end)));
}
void CreateAndRunInitialProcesses() {
/* Allocate space for the processes. */
InitialProcessInfo *infos = static_cast<InitialProcessInfo *>(__builtin_alloca(sizeof(InitialProcessInfo) * g_initial_process_binary_header.num_processes));