Merge branch 'bob' of https://repo.or.cz/RPi-MMU-example into alice

# Conflicts:
#	.gitignore
#	PL0_test.ld
#	demo_functionality.c
#	interrupt_vector.S
#	interrupts.c
#	kernel.c
#	memory.h

1 files changed, 79 insertions, 0 deletions

diff --git a/kernel_stage2.ld b/kernel_stage2.ld
new file mode 100644
index 0000000..15b61ec
--- /dev/null
+++ b/kernel_stage2.ld
@@ -0,0 +1,79 @@
+/* This sesond stage of the kernel is run from address 0x0 */
+
+TRANSLATION_TABLE_SIZE = 4096 * 4;
+SECTIONS_LIST_SIZE = 4096 * 8;
+MMU_SECTION_SIZE = 1 << 20;
+
+SECTIONS
+{
+
+	. = 0x0;
+
+	__start = .;
+	.interrupt_vector :
+	{
+		KEEP(interrupt_vector.o)
+	}
+	. = ALIGN(4);
+	.embedded_ramfs :
+	{
+		ramfs_embeddable.o
+	}
+	.rest_of_kernel :
+	{
+		*(.text)
+		*(.data)
+		*(.rodata)
+		*(.bss)
+		*(/COMMON/)
+	}
+	__end = .;
+
+	. = ALIGN(1 << 14);
+	
+	.translation_table (NOLOAD) :
+	{
+		_translation_table_start = .;
+		
+		. = . + TRANSLATION_TABLE_SIZE;
+
+		_translation_table_end = .;
+	}
+
+	.sections_list (NOLOAD) :
+	{
+		_sections_list_start = .;
+		
+		. = . + SECTIONS_LIST_SIZE;
+
+		_sections_list_end = .;
+	}
+
+	. = ALIGN(1 << 20);
+	. = . + MMU_SECTION_SIZE;
+
+	.stack (NOLOAD) :
+	{
+		_stack_start = .;
+		
+		_fiq_stack_start = .;
+		
+		. = . + (1 << 18);
+		
+		_fiq_stack_top = .;
+		
+		_irq_stack_start = .;
+		
+		. = . + (1 << 18);
+		
+		_irq_stack_top = .;
+		
+		_supervisor_stack_start = .;
+		
+		. = . + (1 << 19);
+		
+		_supervisor_stack_top = .;
+		
+		_stack_end = .;
+	}
+}