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https://github.com/EnderIce2/Fennix.git
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Fix 32-bit compilation
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@ -31,6 +31,7 @@
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#include "../Architecture/amd64/cpu/gdt.hpp"
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#elif defined(a32)
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#include "../Architecture/i386/cpu/apic.hpp"
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#include "../Architecture/i386/cpu/gdt.hpp"
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#elif defined(aa64)
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#endif
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@ -218,9 +219,9 @@ namespace Tasking
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foreach (AuxiliaryVector var in auxv_array)
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{
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// Subtract the size of the auxillary vector
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Stack64 -= sizeof(Elf64_auxv_t) / sizeof(uintptr_t);
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Stack64 -= sizeof(Elf_auxv_t) / sizeof(uintptr_t);
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// Store the auxillary vector
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POKE(Elf64_auxv_t, Stack64) = var.archaux;
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POKE(Elf_auxv_t, Stack64) = var.archaux;
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// TODO: Store strings to the stack
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}
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@ -263,7 +264,14 @@ namespace Tasking
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debug("SubtractStack: %#lx", SubtractStack);
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// Set the stack pointer to the new stack
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this->Registers.rsp = ((uintptr_t)this->Stack->GetStackTop() - SubtractStack);
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uintptr_t StackPointerReg = ((uintptr_t)this->Stack->GetStackTop() - SubtractStack);
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#if defined(a64)
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this->Registers.rsp = StackPointerReg;
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#elif defined(a32)
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this->Registers.esp = StackPointerReg;
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#elif defined(aa64)
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this->Registers.sp = StackPointerReg;
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#endif
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if (ArgvSize > 0)
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delete[] ArgvStrings;
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@ -274,10 +282,22 @@ namespace Tasking
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DumpData("Stack Data", (void *)((uintptr_t)this->Stack->GetStackPhysicalTop() - (uintptr_t)SubtractStack), SubtractStack);
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#endif
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#if defined(a64)
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this->Registers.rdi = (uintptr_t)ArgvSize; // argc
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this->Registers.rsi = (uintptr_t)(this->Registers.rsp + 8); // argv
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this->Registers.rcx = (uintptr_t)EnvpSize; // envc
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this->Registers.rdx = (uintptr_t)(this->Registers.rsp + 8 + (8 * ArgvSize) + 8); // envp
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#elif defined(a32)
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this->Registers.eax = (uintptr_t)ArgvSize; // argc
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this->Registers.ebx = (uintptr_t)(this->Registers.esp + 4); // argv
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this->Registers.ecx = (uintptr_t)EnvpSize; // envc
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this->Registers.edx = (uintptr_t)(this->Registers.esp + 4 + (4 * ArgvSize) + 4); // envp
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#elif defined(aa64)
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this->Registers.x0 = (uintptr_t)ArgvSize; // argc
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this->Registers.x1 = (uintptr_t)(this->Registers.sp + 8); // argv
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this->Registers.x2 = (uintptr_t)EnvpSize; // envc
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this->Registers.x3 = (uintptr_t)(this->Registers.sp + 8 + (8 * ArgvSize) + 8); // envp
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#endif
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}
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void TCB::SetupUserStack_x86_32(const char **argv,
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