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TT Tool: Check arch through kernel ELF

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pull/154/head
Andre Richter 2 years ago
parent b7cecafa1e
commit 7ca7f6728f
No known key found for this signature in database
GPG Key ID: 2116C1AB102F615E
7 changed files with 37 additions and 28 deletions
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4
15_virtual_mem_part3_precomputed_tables/Makefile
Unescape Escape View File

@ -172,7 +172,7 @@ $(KERNEL_ELF_RAW): $(KERNEL_ELF_RAW_DEPS)
$(KERNEL_ELF_TTABLES): $(KERNEL_ELF_TTABLES_DEPS)
$(call color_header, "Precomputing kernel translation tables and patching kernel ELF")
@cp $(KERNEL_ELF_RAW) $(KERNEL_ELF_TTABLES)
@$(DOCKER_TOOLS) $(EXEC_TT_TOOL) $(TARGET) $(BSP) $(KERNEL_ELF_TTABLES)
@$(DOCKER_TOOLS) $(EXEC_TT_TOOL) $(BSP) $(KERNEL_ELF_TTABLES)
##------------------------------------------------------------------------------
## Generate the stripped kernel binary
@ -316,7 +316,7 @@ define KERNEL_TEST_RUNNER
TEST_ELF=$$(echo $$1 | sed -e 's/.*target/target/g')
TEST_BINARY=$$(echo $$1.img | sed -e 's/.*target/target/g')
$(DOCKER_TOOLS) $(EXEC_TT_TOOL) $(TARGET) $(BSP) $$TEST_ELF > /dev/null
$(DOCKER_TOOLS) $(EXEC_TT_TOOL) $(BSP) $$TEST_ELF > /dev/null
$(OBJCOPY_CMD) $$TEST_ELF $$TEST_BINARY
$(DOCKER_TEST) $(EXEC_TEST_DISPATCH) $(EXEC_QEMU) $(QEMU_TEST_ARGS) -kernel $$TEST_BINARY
endef

27
15_virtual_mem_part3_precomputed_tables/README.md
Unescape Escape View File

@ -615,8 +615,8 @@ BSP = case BSP_TYPE
raise
end
TRANSLATION_TABLES = case TARGET
when :aarch64
TRANSLATION_TABLES = case KERNEL_ELF.machine
when :AArch64
Arch::ARMv8::TranslationTable.new
else
raise
@ -856,7 +856,7 @@ diff -uNr 14_virtual_mem_part2_mmio_remap/Makefile 15_virtual_mem_part3_precompu
+$(KERNEL_ELF_TTABLES): $(KERNEL_ELF_TTABLES_DEPS)
+ $(call color_header, "Precomputing kernel translation tables and patching kernel ELF")
+ @cp $(KERNEL_ELF_RAW) $(KERNEL_ELF_TTABLES)
+ @$(DOCKER_TOOLS) $(EXEC_TT_TOOL) $(TARGET) $(BSP) $(KERNEL_ELF_TTABLES)
+ @$(DOCKER_TOOLS) $(EXEC_TT_TOOL) $(BSP) $(KERNEL_ELF_TTABLES)
+
+##------------------------------------------------------------------------------
## Generate the stripped kernel binary
@ -873,7 +873,7 @@ diff -uNr 14_virtual_mem_part2_mmio_remap/Makefile 15_virtual_mem_part3_precompu
TEST_ELF=$$(echo $$1 | sed -e 's/.*target/target/g')
TEST_BINARY=$$(echo $$1.img | sed -e 's/.*target/target/g')
+ $(DOCKER_TOOLS) $(EXEC_TT_TOOL) $(TARGET) $(BSP) $$TEST_ELF > /dev/null
+ $(DOCKER_TOOLS) $(EXEC_TT_TOOL) $(BSP) $$TEST_ELF > /dev/null
$(OBJCOPY_CMD) $$TEST_ELF $$TEST_BINARY
$(DOCKER_TEST) $(EXEC_TEST_DISPATCH) $(EXEC_QEMU) $(QEMU_TEST_ARGS) -kernel $$TEST_BINARY
endef
@ -2458,7 +2458,7 @@ diff -uNr 14_virtual_mem_part2_mmio_remap/translation_table_tool/generic.rb 15_v
diff -uNr 14_virtual_mem_part2_mmio_remap/translation_table_tool/kernel_elf.rb 15_virtual_mem_part3_precomputed_tables/translation_table_tool/kernel_elf.rb
--- 14_virtual_mem_part2_mmio_remap/translation_table_tool/kernel_elf.rb
+++ 15_virtual_mem_part3_precomputed_tables/translation_table_tool/kernel_elf.rb
@@ -0,0 +1,92 @@
@@ -0,0 +1,96 @@
+# frozen_string_literal: true
+
+# SPDX-License-Identifier: MIT OR Apache-2.0
@ -2474,6 +2474,10 @@ diff -uNr 14_virtual_mem_part2_mmio_remap/translation_table_tool/kernel_elf.rb 1
+ @symtab_section = @elf.section_by_name('.symtab')
+ end
+
+ def machine
+ @elf.machine.to_sym
+ end
+
+ def symbol_value(symbol_name)
+ @symtab_section.symbol_by_name(symbol_name).header.st_value
+ end
@ -2555,7 +2559,7 @@ diff -uNr 14_virtual_mem_part2_mmio_remap/translation_table_tool/kernel_elf.rb 1
diff -uNr 14_virtual_mem_part2_mmio_remap/translation_table_tool/main.rb 15_virtual_mem_part3_precomputed_tables/translation_table_tool/main.rb
--- 14_virtual_mem_part2_mmio_remap/translation_table_tool/main.rb
+++ 15_virtual_mem_part3_precomputed_tables/translation_table_tool/main.rb
@@ -0,0 +1,47 @@
@@ -0,0 +1,46 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
@ -2563,10 +2567,6 @@ diff -uNr 14_virtual_mem_part2_mmio_remap/translation_table_tool/main.rb 15_virt
+#
+# Copyright (c) 2021-2022 Andre Richter <andre.o.richter@gmail.com>
+
+TARGET = ARGV[0].split('-').first.to_sym
+BSP_TYPE = ARGV[1].to_sym
+kernel_elf_path = ARGV[2]
+
+require 'rubygems'
+require 'bundler/setup'
+require 'colorize'
@ -2577,6 +2577,9 @@ diff -uNr 14_virtual_mem_part2_mmio_remap/translation_table_tool/main.rb 15_virt
+require_relative 'bsp'
+require_relative 'arch'
+
+BSP_TYPE = ARGV[0].to_sym
+kernel_elf_path = ARGV[1]
+
+start = Time.now
+
+KERNEL_ELF = KernelELF.new(kernel_elf_path)
@ -2588,8 +2591,8 @@ diff -uNr 14_virtual_mem_part2_mmio_remap/translation_table_tool/main.rb 15_virt
+ raise
+ end
+
+TRANSLATION_TABLES = case TARGET
+ when :aarch64
+TRANSLATION_TABLES = case KERNEL_ELF.machine
+ when :AArch64
+ Arch::ARMv8::TranslationTable.new
+ else
+ raise

4
15_virtual_mem_part3_precomputed_tables/translation_table_tool/kernel_elf.rb
Unescape Escape View File

@ -13,6 +13,10 @@ class KernelELF
@symtab_section = @elf.section_by_name('.symtab')
end
def machine
@elf.machine.to_sym
end
def symbol_value(symbol_name)
@symtab_section.symbol_by_name(symbol_name).header.st_value
end

11
15_virtual_mem_part3_precomputed_tables/translation_table_tool/main.rb
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@ -5,10 +5,6 @@
#
# Copyright (c) 2021-2022 Andre Richter <andre.o.richter@gmail.com>
TARGET = ARGV[0].split('-').first.to_sym
BSP_TYPE = ARGV[1].to_sym
kernel_elf_path = ARGV[2]
require 'rubygems'
require 'bundler/setup'
require 'colorize'
@ -19,6 +15,9 @@ require_relative 'kernel_elf'
require_relative 'bsp'
require_relative 'arch'
BSP_TYPE = ARGV[0].to_sym
kernel_elf_path = ARGV[1]
start = Time.now
KERNEL_ELF = KernelELF.new(kernel_elf_path)
@ -30,8 +29,8 @@ BSP = case BSP_TYPE
raise
end
TRANSLATION_TABLES = case TARGET
when :aarch64
TRANSLATION_TABLES = case KERNEL_ELF.machine
when :AArch64
Arch::ARMv8::TranslationTable.new
else
raise

4
16_virtual_mem_part4_higher_half_kernel/Makefile
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@ -172,7 +172,7 @@ $(KERNEL_ELF_RAW): $(KERNEL_ELF_RAW_DEPS)
$(KERNEL_ELF_TTABLES): $(KERNEL_ELF_TTABLES_DEPS)
$(call color_header, "Precomputing kernel translation tables and patching kernel ELF")
@cp $(KERNEL_ELF_RAW) $(KERNEL_ELF_TTABLES)
@$(DOCKER_TOOLS) $(EXEC_TT_TOOL) $(TARGET) $(BSP) $(KERNEL_ELF_TTABLES)
@$(DOCKER_TOOLS) $(EXEC_TT_TOOL) $(BSP) $(KERNEL_ELF_TTABLES)
##------------------------------------------------------------------------------
## Generate the stripped kernel binary
@ -316,7 +316,7 @@ define KERNEL_TEST_RUNNER
TEST_ELF=$$(echo $$1 | sed -e 's/.*target/target/g')
TEST_BINARY=$$(echo $$1.img | sed -e 's/.*target/target/g')
$(DOCKER_TOOLS) $(EXEC_TT_TOOL) $(TARGET) $(BSP) $$TEST_ELF > /dev/null
$(DOCKER_TOOLS) $(EXEC_TT_TOOL) $(BSP) $$TEST_ELF > /dev/null
$(OBJCOPY_CMD) $$TEST_ELF $$TEST_BINARY
$(DOCKER_TEST) $(EXEC_TEST_DISPATCH) $(EXEC_QEMU) $(QEMU_TEST_ARGS) -kernel $$TEST_BINARY
endef

4
16_virtual_mem_part4_higher_half_kernel/translation_table_tool/kernel_elf.rb
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@ -13,6 +13,10 @@ class KernelELF
@symtab_section = @elf.section_by_name('.symtab')
end
def machine
@elf.machine.to_sym
end
def symbol_value(symbol_name)
@symtab_section.symbol_by_name(symbol_name).header.st_value
end

11
16_virtual_mem_part4_higher_half_kernel/translation_table_tool/main.rb
Unescape Escape View File

@ -5,10 +5,6 @@
#
# Copyright (c) 2021-2022 Andre Richter <andre.o.richter@gmail.com>
TARGET = ARGV[0].split('-').first.to_sym
BSP_TYPE = ARGV[1].to_sym
kernel_elf_path = ARGV[2]
require 'rubygems'
require 'bundler/setup'
require 'colorize'
@ -19,6 +15,9 @@ require_relative 'kernel_elf'
require_relative 'bsp'
require_relative 'arch'
BSP_TYPE = ARGV[0].to_sym
kernel_elf_path = ARGV[1]
start = Time.now
KERNEL_ELF = KernelELF.new(kernel_elf_path)
@ -30,8 +29,8 @@ BSP = case BSP_TYPE
raise
end
TRANSLATION_TABLES = case TARGET
when :aarch64
TRANSLATION_TABLES = case KERNEL_ELF.machine
when :AArch64
Arch::ARMv8::TranslationTable.new
else
raise

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