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add arm64 support

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- add arm64 dependent codes with GICv3 and SVE support
- fix bugs based on architecture separation requests
This commit is contained in:
Takayuki Okamoto
2017-09-05 15:06:27 +09:00
parent 704096b139
commit 9989f41fd3
192 changed files with 26941 additions and 34 deletions
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39
kernel/config/config.smp-arm64.in Normal file
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CC = ${CROSS_COMPILE}gcc
LD = ${CROSS_COMPILE}ld
OBJDUMP = ${CROSS_COMPILE}objdump
OBJCOPY = ${CROSS_COMPILE}objcopy
# ARM64_MEMORY_LAYOUT
# ----+-----------+-----------------------
# # | page size | virtual memory space
# ----+-----------+-----------------------
# 1 | 4KB | 39bit [linux-linaro-tracking, upstream kernel]
# 2 | 4KB | 48bit
# 3 | 64KB | 42bit [CentOS]
# 4 | 64KB | 48bit
# ----+-----------+-----------------------
HOST_DIR=@KDIR@
HOST_CONFIG=$(HOST_DIR)/.config
HOST_KERNEL_CONFIG_ARM64_64K_PAGES=$(shell grep -E "^CONFIG_ARM64_64K_PAGES=y" $(HOST_CONFIG) | sed 's|CONFIG_ARM64_64K_PAGES=||g')
HOST_KERNEL_CONFIG_ARM64_VA_BITS=$(shell grep -E "^CONFIG_ARM64_VA_BITS=" $(HOST_CONFIG) | sed 's|CONFIG_ARM64_VA_BITS=||g')
ifeq ($(HOST_KERNEL_CONFIG_ARM64_64K_PAGES), y)
ifeq ($(HOST_KERNEL_CONFIG_ARM64_VA_BITS), 42)
$(info PAGE_SIZE:64KB VA_BITS:42 PGTABLE_LEVELS:2)
ARM64_MEMORY_LAYOUT=3
else
$(info PAGE_SIZE:64KB VA_BITS:48, PGTABLE_LEVELS:3)
ARM64_MEMORY_LAYOUT=4
endif
else
ifeq ($(HOST_KERNEL_CONFIG_ARM64_VA_BITS), 39)
$(info PAGE_SIZE:4KB VA_BITS:39 PGTABLE_LEVELS:3)
ARM64_MEMORY_LAYOUT=1
else
$(info PAGE_SIZE:4KB VA_BITS:48 PGTABLE_LEVELS:4)
ARM64_MEMORY_LAYOUT=2
endif
endif
$(info linker script:smp-arm64_type$(ARM64_MEMORY_LAYOUT).lds)
LDFLAGS += -T $(SRC)/config/smp-arm64_type$(ARM64_MEMORY_LAYOUT).lds

50
kernel/config/smp-arm64_type1.lds Normal file
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PHDRS
{
text PT_LOAD FLAGS(5);
data PT_LOAD FLAGS(7);
}
SECTIONS
{
. = 0xffffffffff800000; /* KERNEL_START */
_head = .;
.text : {
*(.text);
} : text
. = ALIGN(0x1000);
.data : {
*(.data)
*(.data.*)
} :data
.rodata : {
*(.rodata .rodata.*)
} :data
.vdso : ALIGN(0x1000) {
vdso_page = .;
. = vdso_page + 0x0000;
*(.vdso.data)
. = vdso_page + 0x1000;
*(.vdso.text)
. = ALIGN(0x1000);
} : data = 0xf4
.bss : {
*(.bss .bss.*)
}
. = ALIGN(0x1000);
idmap_page_table = .;
. += 0x1000; /* PAGE_SIZE */
swapper_page_table = .;
. += 0x1000; /* PAGE_SIZE */
idmap_pg_dir = .;
. += 0x3000; /* IDMAP_DIR_SIZE */
swapper_pg_dir = .;
. += 0x2000; /* SWAPPER_DIR_SIZE */
_end = .;
}

50
kernel/config/smp-arm64_type2.lds Normal file
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@@ -0,0 +1,50 @@
PHDRS
{
text PT_LOAD FLAGS(5);
data PT_LOAD FLAGS(7);
}
SECTIONS
{
. = 0xffffffffff800000; /* KERNEL_START */
_head = .;
.text : {
*(.text);
} : text
. = ALIGN(0x1000);
.data : {
*(.data)
*(.data.*)
} :data
.rodata : {
*(.rodata .rodata.*)
} :data
.vdso : ALIGN(0x1000) {
vdso_page = .;
. = vdso_page + 0x0000;
*(.vdso.data)
. = vdso_page + 0x1000;
*(.vdso.text)
. = ALIGN(0x1000);
} : data = 0xf4
.bss : {
*(.bss .bss.*)
}
. = ALIGN(0x1000);
idmap_page_table = .;
. += 0x1000; /* PAGE_SIZE */
swapper_page_table = .;
. += 0x1000; /* PAGE_SIZE */
idmap_pg_dir = .;
. += 0x3000; /* IDMAP_DIR_SIZE */
swapper_pg_dir = .;
. += 0x3000; /* SWAPPER_DIR_SIZE */
_end = .;
}

50
kernel/config/smp-arm64_type3.lds Normal file
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@@ -0,0 +1,50 @@
PHDRS
{
text PT_LOAD FLAGS(5);
data PT_LOAD FLAGS(7);
}
SECTIONS
{
. = 0xffffffffe0000000; /* KERNEL_START */
_head = .;
.text : {
*(.text);
} : text
. = ALIGN(0x10000);
.data : {
*(.data)
*(.data.*)
} :data
.rodata : {
*(.rodata .rodata.*)
} :data
.vdso : ALIGN(0x10000) {
vdso_page = .;
. = vdso_page + 0x00000;
*(.vdso.data)
. = vdso_page + 0x10000;
*(.vdso.text)
. = ALIGN(0x10000);
} : data = 0xf4
.bss : {
*(.bss .bss.*)
}
. = ALIGN(0x10000);
idmap_page_table = .;
. += 0x10000; /* PAGE_SIZE */
swapper_page_table = .;
. += 0x10000; /* PAGE_SIZE */
idmap_pg_dir = .;
. += 0x30000; /* IDMAP_DIR_SIZE */
swapper_pg_dir = .;
. += 0x20000; /* SWAPPER_DIR_SIZE */
_end = .;
}

50
kernel/config/smp-arm64_type4.lds Normal file
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@@ -0,0 +1,50 @@
PHDRS
{
text PT_LOAD FLAGS(5);
data PT_LOAD FLAGS(7);
}
SECTIONS
{
. = 0xffffffffe0000000; /* KERNEL_START */
_head = .;
.text : {
*(.text);
} : text
. = ALIGN(0x10000);
.data : {
*(.data)
*(.data.*)
} :data
.rodata : {
*(.rodata .rodata.*)
} :data
.vdso : ALIGN(0x10000) {
vdso_page = .;
. = vdso_page + 0x00000;
*(.vdso.data)
. = vdso_page + 0x10000;
*(.vdso.text)
. = ALIGN(0x10000);
} : data = 0xf4
.bss : {
*(.bss .bss.*)
}
. = ALIGN(0x10000);
idmap_page_table = .;
. += 0x10000; /* PAGE_SIZE */
swapper_page_table = .;
. += 0x10000; /* PAGE_SIZE */
idmap_pg_dir = .;
. += 0x30000; /* IDMAP_DIR_SIZE */
swapper_pg_dir = .;
. += 0x30000; /* SWAPPER_DIR_SIZE */
_end = .;
}