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meso: miscellaneous cleanup and build fixes

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fincs 2019-12-13 21:41:19 +01:00 committed by Michael Scire
parent ab902694f7
commit e89e0cc45d
4 changed files with 64 additions and 146 deletions
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12
config/common.mk
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@ -52,7 +52,7 @@ ATMOSPHERE_DEFINES += -DATMOSPHERE_GIT_BRANCH=\"$(ATMOSPHERE_GIT_BRANCH)\" -DATM
#--------------------------------------------------------------------------------- #---------------------------------------------------------------------------------
# Ensure top directory is set. # Ensure top directory is set.
#--------------------------------------------------------------------------------- #---------------------------------------------------------------------------------
export TOPDIR ?= $(CURDIR) TOPDIR ?= $(CURDIR)
#--------------------------------------------------------------------------------- #---------------------------------------------------------------------------------
# TARGET is the name of the output # TARGET is the name of the output
@ -60,11 +60,11 @@ export TOPDIR ?= $(CURDIR)
# DATA is a list of directories containing data files # DATA is a list of directories containing data files
# INCLUDES is a list of directories containing header files # INCLUDES is a list of directories containing header files
#--------------------------------------------------------------------------------- #---------------------------------------------------------------------------------
export TARGET ?= $(notdir $(CURDIR)) TARGET := $(notdir $(CURDIR))
export BUILD := build BUILD := build
export DATA := data DATA := data
export INCLUDES := include INCLUDES := include
export SOURCES ?= $(shell find source -type d \ SOURCES ?= $(shell find source -type d \
-not \( -path source/arch -prune \) \ -not \( -path source/arch -prune \) \
-not \( -path source/board -prune \) \) -not \( -path source/board -prune \) \)

2
libmesosphere/include/mesosphere/init/kern_init_page_table_select.hpp
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@ -18,5 +18,5 @@
#ifdef ATMOSPHERE_ARCH_ARM64 #ifdef ATMOSPHERE_ARCH_ARM64
#include "../arch/arm64/init/kern_k_init_page_table.hpp" #include "../arch/arm64/init/kern_k_init_page_table.hpp"
#else #else
#error "Unknown architecutre for KInitialPageTable" #error "Unknown architecture for KInitialPageTable"
#endif #endif

4
libmesosphere/source/arch/arm64/init/kern_init_elf64.cpp
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@ -76,7 +76,9 @@ namespace ams::kern::init::Elf::Elf64 {
} }
void CallInitArrayFuncs(uintptr_t init_array_start, uintptr_t init_array_end) { void CallInitArrayFuncs(uintptr_t init_array_start, uintptr_t init_array_end) {
for (uintptr_t cur_entry = init_array_start; cur_entry < init_array_end; cur_entry += sizeof(void *)) {
(*(void (**)())(cur_entry))();
}
} }
} }

84
libmesosphere/source/arch/arm64/kern_init_elf64.cpp
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@ -1,84 +0,0 @@
/*
* Copyright (c) 2018-2019 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <mesosphere.hpp>
namespace ams::kern::init::Elf::Elf64 {
/* API to apply relocations or call init array. */
void ApplyRelocations(uintptr_t base_address, const Dyn *dynamic) {
uintptr_t dyn_rel = 0;
uintptr_t dyn_rela = 0;
uintptr_t rel_count = 0;
uintptr_t rela_count = 0;
uintptr_t rel_ent = 0;
uintptr_t rela_ent = 0;
/* Iterate over all tags, identifying important extents. */
for (const Dyn *cur_entry = dynamic; cur_entry->GetTag() != DT_NULL; cur_entry++) {
switch (cur_entry->GetTag()) {
case DT_REL:
dyn_rel = base_address + cur_entry->GetPtr();
break;
case DT_RELA:
dyn_rela = base_address + cur_entry->GetPtr();
break;
case DT_RELENT:
rel_ent = cur_entry->GetValue();
break;
case DT_RELAENT:
rela_ent = cur_entry->GetValue();
break;
case DT_RELCOUNT:
rel_count = cur_entry->GetValue();
break;
case DT_RELACOUNT:
rela_count = cur_entry->GetValue();
break;
}
}
/* Apply all Rel relocations */
for (size_t i = 0; i < rel_count; i++) {
const auto &rel = *reinterpret_cast<const Elf64::Rel *>(dyn_rel + rel_ent * i);
/* Only allow R_AARCH64_RELATIVE relocations. */
while (rel.GetType() != R_AARCH64_RELATIVE) { /* ... */ }
/* Apply the relocation. */
Elf64::Addr *target_address = reinterpret_cast<Elf64::Addr *>(base_address + rel.GetOffset());
*target_address += base_address;
}
/* Apply all Rela relocations. */
for (size_t i = 0; i < rela_count; i++) {
const auto &rela = *reinterpret_cast<const Elf64::Rela *>(dyn_rela + rela_ent * i);
/* Only allow R_AARCH64_RELATIVE relocations. */
while (rela.GetType() != R_AARCH64_RELATIVE) { /* ... */ }
/* Apply the relocation. */
Elf64::Addr *target_address = reinterpret_cast<Elf64::Addr *>(base_address + rela.GetOffset());
*target_address = base_address + rela.GetAddend();
}
}
void CallInitArrayFuncs(uintptr_t init_array_start, uintptr_t init_array_end) {
for (uintptr_t cur_entry = init_array_start; cur_entry < init_array_end; cur_entry += sizeof(void *)) {
(*(void (**)())(cur_entry))();
}
}
}