From: Thomas Leonard <talex5@gmail.com>
To: xen-devel@lists.xenproject.org
Cc: Thomas Leonard <talex5@gmail.com>,
Dave.Scott@eu.citrix.com, anil@recoil.org,
stefano.stabellini@eu.citrix.com, samuel.thibault@ens-lyon.org
Subject: [PATCH ARM v6 00/14] mini-os: initial ARM support
Date: Wed, 16 Jul 2014 12:07:40 +0100 [thread overview]
Message-ID: <1405508874-3921-1-git-send-email-talex5@gmail.com> (raw)
This series is based on Karim's ARM support commits, further broken up into
smaller patches.
The comments from last time should be addressed now, plus a few other things:
- The series is rebased on staging, dropping patches that have already been
applied.
- The changes have been further split into smaller patches to ease reviewing.
Note that the build system isn't changed to allow building the new code until
patch 13.
- Define BUG to cause an undefined instruction fault. This lets us us dump the
registers.
- Renamed stack to _boot_stack for clarity.
- Include kernel.h from arm/os.h. This is for consistency with x86/os.h
and is needed to compile with lwIP.
- Moved SVC stack to first 16KB of RAM (provides some protection against
stack overlow corrupting memory).
- Put translation table in second 16KB (simplifies boot code).
- Moved shared_info_page and irqstack to .bss section (smaller image).
- Moved __bss_start and _edata inside section in linker script.
The linker adds non-listed sections, such as .got, just before .bss.
This meant that we accidentally zeroed those out too.
- Enable floating point unit.
- Require only minimum FDT property lengths (requested by Ian Campbell).
Addressed Julien Grall's comments:
- Get hypercall numbers from xen.h.
- Avoid duplicating the definition of _start's virtual address.
- Moved definition of physical_address_offset from asm to C.
- Added paddr_t type to represent physical addresses.
- Added comments explaining the lengths when checking FDT properties.
- Fixed (commented) DEBUG macro.
- Drop check for arm,cortex-a9-gic.
There are two assumptions the code makes that may need changing in the future, but
which hopefully don't need to hold up this initial support:
- The assumption that the kernel will be loaded at start of RAM + 0x8000.
- The assumption that Xen will mark the GIC address range as device memory.
This should probably be fixed when the C code gains the ability to control
the translation tables, map 4K pages, etc.
Karim Raslan (3):
mini-os: headers for ARM
mini-os: import libfdt
mini-os: arm: events
Thomas Leonard (11):
mini-os: x86_64: make thread stacks 16-byte aligned
mini-os: don't include lib.h from mm.h
mini-os: added HYPERVISOR_xsm_op
mini-os: use generic local_irq_enable function
mini-os: arm: boot code
mini-os: arm: memory management
mini-os: arm: scheduling
mini-os: arm: time
mini-os: arm: interrupt controller
mini-os: arm: build system
mini-os: arm: show registers, stack and exception vector on fault
extras/mini-os/ARM-TODO.txt | 5 +
extras/mini-os/COPYING | 27 +
extras/mini-os/Config.mk | 2 +
extras/mini-os/Makefile | 22 +
extras/mini-os/arch/arm/Makefile | 32 +
extras/mini-os/arch/arm/arch.mk | 7 +
extras/mini-os/arch/arm/arm32.S | 294 +++++
extras/mini-os/arch/arm/events.c | 31 +
extras/mini-os/arch/arm/gic.c | 232 ++++
extras/mini-os/arch/arm/hypercalls32.S | 64 +
extras/mini-os/arch/arm/minios-arm32.lds | 79 ++
extras/mini-os/arch/arm/mm.c | 138 ++
extras/mini-os/arch/arm/panic.c | 98 ++
extras/mini-os/arch/arm/sched.c | 38 +
extras/mini-os/arch/arm/setup.c | 119 ++
extras/mini-os/arch/arm/time.c | 202 +++
extras/mini-os/arch/x86/sched.c | 3 +
extras/mini-os/events.c | 4 +-
extras/mini-os/include/arm/arch_endian.h | 7 +
extras/mini-os/include/arm/arch_limits.h | 9 +
extras/mini-os/include/arm/arch_mm.h | 38 +
extras/mini-os/include/arm/arch_sched.h | 19 +
extras/mini-os/include/arm/arch_spinlock.h | 36 +
extras/mini-os/include/arm/arm32/arch_wordsize.h | 1 +
extras/mini-os/include/arm/gic.h | 1 +
extras/mini-os/include/arm/hypercall-arm.h | 98 ++
extras/mini-os/include/arm/os.h | 216 ++++
extras/mini-os/include/arm/traps.h | 20 +
extras/mini-os/include/fdt.h | 60 +
extras/mini-os/include/hypervisor.h | 2 +
extras/mini-os/include/lib.h | 4 +-
extras/mini-os/include/libfdt.h | 1478 ++++++++++++++++++++++
extras/mini-os/include/libfdt_env.h | 37 +
extras/mini-os/include/mm.h | 5 +-
extras/mini-os/include/types.h | 10 +-
extras/mini-os/include/x86/os.h | 7 +
extras/mini-os/kernel.c | 2 +-
extras/mini-os/lib/fdt/fdt.c | 222 ++++
extras/mini-os/lib/fdt/fdt_empty_tree.c | 84 ++
extras/mini-os/lib/fdt/fdt_ro.c | 574 +++++++++
extras/mini-os/lib/fdt/fdt_rw.c | 492 +++++++
extras/mini-os/lib/fdt/fdt_strerror.c | 96 ++
extras/mini-os/lib/fdt/fdt_sw.c | 256 ++++
extras/mini-os/lib/fdt/fdt_wip.c | 118 ++
extras/mini-os/lib/fdt/libfdt_internal.h | 95 ++
extras/mini-os/lib/memmove.c | 45 +
extras/mini-os/lib/string.c | 12 +
extras/mini-os/lock.c | 1 +
extras/mini-os/main.c | 1 +
extras/mini-os/tpmfront.c | 1 +
50 files changed, 5433 insertions(+), 11 deletions(-)
create mode 100644 extras/mini-os/ARM-TODO.txt
create mode 100755 extras/mini-os/arch/arm/Makefile
create mode 100644 extras/mini-os/arch/arm/arch.mk
create mode 100644 extras/mini-os/arch/arm/arm32.S
create mode 100644 extras/mini-os/arch/arm/events.c
create mode 100644 extras/mini-os/arch/arm/gic.c
create mode 100644 extras/mini-os/arch/arm/hypercalls32.S
create mode 100755 extras/mini-os/arch/arm/minios-arm32.lds
create mode 100644 extras/mini-os/arch/arm/mm.c
create mode 100644 extras/mini-os/arch/arm/panic.c
create mode 100644 extras/mini-os/arch/arm/sched.c
create mode 100644 extras/mini-os/arch/arm/setup.c
create mode 100644 extras/mini-os/arch/arm/time.c
create mode 100644 extras/mini-os/include/arm/arch_endian.h
create mode 100644 extras/mini-os/include/arm/arch_limits.h
create mode 100644 extras/mini-os/include/arm/arch_mm.h
create mode 100644 extras/mini-os/include/arm/arch_sched.h
create mode 100755 extras/mini-os/include/arm/arch_spinlock.h
create mode 100644 extras/mini-os/include/arm/arm32/arch_wordsize.h
create mode 100644 extras/mini-os/include/arm/gic.h
create mode 100644 extras/mini-os/include/arm/hypercall-arm.h
create mode 100644 extras/mini-os/include/arm/os.h
create mode 100644 extras/mini-os/include/arm/traps.h
create mode 100644 extras/mini-os/include/fdt.h
create mode 100644 extras/mini-os/include/libfdt.h
create mode 100644 extras/mini-os/include/libfdt_env.h
create mode 100644 extras/mini-os/lib/fdt/fdt.c
create mode 100644 extras/mini-os/lib/fdt/fdt_empty_tree.c
create mode 100644 extras/mini-os/lib/fdt/fdt_ro.c
create mode 100644 extras/mini-os/lib/fdt/fdt_rw.c
create mode 100644 extras/mini-os/lib/fdt/fdt_strerror.c
create mode 100644 extras/mini-os/lib/fdt/fdt_sw.c
create mode 100644 extras/mini-os/lib/fdt/fdt_wip.c
create mode 100644 extras/mini-os/lib/fdt/libfdt_internal.h
create mode 100644 extras/mini-os/lib/memmove.c
--
2.0.1
next reply other threads:[~2014-07-16 11:07 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-16 11:07 Thomas Leonard [this message]
2014-07-16 11:07 ` [PATCH ARM v6 01/14] mini-os: x86_64: make thread stacks 16-byte aligned Thomas Leonard
2014-07-17 15:50 ` Ian Campbell
2014-07-17 18:15 ` Samuel Thibault
2014-07-18 10:00 ` Ian Campbell
2014-07-18 13:22 ` Samuel Thibault
2014-07-17 18:15 ` Samuel Thibault
2014-07-16 11:07 ` [PATCH ARM v6 02/14] mini-os: don't include lib.h from mm.h Thomas Leonard
2014-07-16 13:30 ` Thomas Leonard
2014-07-17 15:51 ` Ian Campbell
2014-07-17 18:17 ` Samuel Thibault
2014-07-16 11:07 ` [PATCH ARM v6 03/14] mini-os: added HYPERVISOR_xsm_op Thomas Leonard
2014-07-16 11:07 ` [PATCH ARM v6 04/14] mini-os: headers for ARM Thomas Leonard
2014-07-16 21:25 ` Julien Grall
2014-07-17 8:14 ` Thomas Leonard
2014-07-17 9:04 ` Ian Campbell
2014-07-17 11:41 ` Julien Grall
2014-07-17 15:59 ` Ian Campbell
2014-07-18 1:29 ` Chen Baozi
2014-07-18 7:58 ` Thomas Leonard
2014-07-17 18:27 ` Samuel Thibault
2014-07-18 7:54 ` Thomas Leonard
2014-07-16 11:07 ` [PATCH ARM v6 05/14] mini-os: import libfdt Thomas Leonard
2014-07-16 11:44 ` Andrew Cooper
2014-07-16 12:29 ` Ian Campbell
2014-07-16 13:02 ` Andrew Cooper
2014-07-16 13:34 ` Ian Campbell
2014-07-16 14:13 ` Anil Madhavapeddy
2014-07-16 14:35 ` Ian Campbell
2014-07-17 18:30 ` Samuel Thibault
2014-07-16 11:07 ` [PATCH ARM v6 06/14] mini-os: use generic local_irq_enable function Thomas Leonard
2014-07-17 16:00 ` Ian Campbell
2014-07-17 18:32 ` Samuel Thibault
2014-07-16 11:07 ` [PATCH ARM v6 07/14] mini-os: arm: boot code Thomas Leonard
2014-07-16 21:49 ` Julien Grall
2014-07-17 9:37 ` Thomas Leonard
2014-07-17 9:46 ` Ian Campbell
2014-07-17 9:48 ` Thomas Leonard
2014-07-17 16:28 ` Ian Campbell
2014-07-30 10:47 ` Thomas Leonard
2014-07-30 11:26 ` Ian Campbell
2014-07-30 12:20 ` Thomas Leonard
2014-07-30 12:54 ` Ian Campbell
2014-07-30 13:37 ` Thomas Leonard
2014-07-30 13:43 ` Ian Campbell
2014-07-16 11:07 ` [PATCH ARM v6 08/14] mini-os: arm: memory management Thomas Leonard
2014-07-21 17:36 ` Julien Grall
2014-08-03 10:23 ` Thomas Leonard
2014-07-16 11:07 ` [PATCH ARM v6 09/14] mini-os: arm: scheduling Thomas Leonard
2014-07-28 10:53 ` Ian Campbell
2014-07-28 11:20 ` Thomas Leonard
2014-07-28 11:26 ` Ian Campbell
2014-07-16 11:07 ` [PATCH ARM v6 10/14] mini-os: arm: events Thomas Leonard
2014-07-28 10:55 ` Ian Campbell
2014-07-16 11:07 ` [PATCH ARM v6 11/14] mini-os: arm: time Thomas Leonard
2014-07-21 17:45 ` Julien Grall
2014-07-28 10:41 ` Ian Campbell
2014-07-16 11:07 ` [PATCH ARM v6 12/14] mini-os: arm: interrupt controller Thomas Leonard
2014-07-21 17:56 ` Julien Grall
2014-07-16 11:07 ` [PATCH ARM v6 13/14] mini-os: arm: build system Thomas Leonard
2014-07-16 22:03 ` Julien Grall
2014-07-17 10:16 ` Thomas Leonard
2014-07-28 10:58 ` Ian Campbell
2014-07-16 11:07 ` [PATCH ARM v6 14/14] mini-os: arm: show registers, stack and exception vector on fault Thomas Leonard
2014-07-28 11:13 ` Ian Campbell
2014-07-28 11:49 ` Thomas Leonard
2014-07-28 12:01 ` Ian Campbell
2014-07-16 21:29 ` [PATCH ARM v6 00/14] mini-os: initial ARM support Julien Grall
2014-07-17 15:55 ` Ian Campbell
2014-07-17 16:17 ` Ian Campbell
2014-07-18 8:07 ` Thomas Leonard
2014-07-18 8:17 ` Thomas Leonard
2014-07-18 10:07 ` Ian Campbell
2014-07-18 12:45 ` Ian Campbell
2014-08-05 10:56 ` Thomas Leonard
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