OpenE2K/qemu-e2k
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f802ff1e28
qemu-e2k/include/hw
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Daniel Bertalan f802ff1e28 hw/arm/bcm2835_property: Implement "get command line" message 
This query copies the kernel command line into the message buffer. It
was previously stubbed out to return empty, this commit makes it reflect
the arguments specified with `-append`.

I observed the following peculiarities on my Pi 3B+:
- If the buffer is shorter than the string, the response header gives
  the full length, but no data is actually copied.
- No NUL terminator is added: even if the buffer is long enough to fit
  one, the buffer's original contents are preserved past the string's
  end.
- The VC firmware adds the following extra parameters beside the
  user-supplied ones (via /boot/cmdline.txt): `video`, `vc_mem.mem_base`
  and `vc_mem.mem_size`. This is currently not implemented in qemu.

Signed-off-by: Daniel Bertalan <dani@danielbertalan.dev>
Message-id: 20230425103250.56653-1-dani@danielbertalan.dev
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: added comment about NUL and short-buffer behaviour]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-05-02 15:47:40 +01:00
..
acpi tpm: Extend common APIs to support TPM TIS I2C 2023-04-20 08:17:15 -04:00
adc hw/arm/npcm7xx: Declare QOM macros using OBJECT_DECLARE_SIMPLE_TYPE() 2023-01-12 17:15:09 +00:00
arm fsl-imx7: Add fec[12]-phy-connected properties 2023-04-20 10:46:35 +01:00
audio introduce -audio as a replacement for -soundhw 2022-05-14 12:33:44 +02:00
block hw/block: replace TABs with space 2023-03-24 11:45:46 +01:00
char hw/char/cmsdk-apb-uart: Open-code cmsdk_apb_uart_create() 2023-02-27 13:27:05 +00:00
core softmmu: Restore use of CPU watchpoint for all accelerators 2023-03-28 15:24:06 -07:00
cpu Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
cris include: Include headers where needed 2023-01-08 01:54:22 -05:00
cxl hw/pci-bridge: Make PCIe and CXL PXB Devices inherit from TYPE_PXB_DEV 2023-04-24 22:56:55 -04:00
display include: Include headers where needed 2023-01-08 01:54:22 -05:00
dma include: Include headers where needed 2023-01-08 01:54:22 -05:00
firmware hw/smbios: add core_count2 to smbios table type 4 2022-11-07 14:08:17 -05:00
gpio hw/gpio: replace HWADDR_PRIx with PRIx64 2022-05-25 10:31:33 +02:00
hyperv hw/hyperv/vmbus: Remove unused vmbus_load/save_req() 2022-05-30 19:49:42 +02:00
i2c qtest: Add functions for accessing devices on Aspeed I2C controller 2023-04-20 08:17:15 -04:00
i386 hw/acpi: limit warning on acpi table size to pc machines older than version 2.3 2023-04-24 22:56:55 -04:00
ide hw/ide: replace TABs with space 2023-03-24 11:45:33 +01:00
input hw/input: Clean up includes 2023-02-08 07:16:23 +01:00
intc hw/mips: Declare all length properties as unsigned 2023-03-08 00:37:48 +01:00
ipack ipack: Rename ipack_bus_new_inplace() to ipack_bus_init() 2021-09-30 13:42:10 +01:00
ipmi Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
isa hw/audio/via-ac97: Basic implementation of audio playback 2023-03-08 00:37:48 +01:00
kvm target/i386: always create kvmclock device 2020-09-30 19:11:36 +02:00
loongarch hw/loongarch/virt: add system_powerdown hmp command support 2023-03-03 09:37:30 +08:00
m68k hw/m68k/mcf: Add missing 'exec/hwaddr.h' header 2022-02-21 10:35:13 +01:00
mem acpi/nvdimm: Define trace events for NVDIMM and substitute nvdimm_debug() 2022-07-26 10:37:46 -04:00
mips hw/mips/bootloader: Handle buffers as opaque arrays 2023-01-13 09:32:32 +01:00
misc hw/arm/bcm2835_property: Implement "get command line" message 2023-05-02 15:47:40 +01:00
net hw/net/imx_fec: Support two Ethernet interfaces connected to single MDIO bus 2023-04-20 10:25:43 +01:00
nubus Clean up header guards that don't match their file name 2022-05-11 16:49:06 +02:00
nvram Revert "x86: return modified setup_data only if read as memory, not as file" 2023-03-02 03:10:46 -05:00
openrisc hw/openrisc: Split re-usable boot time apis out to boot.c 2022-09-04 07:02:56 +01:00
pci hw/pci-bridge: Make PCIe and CXL PXB Devices inherit from TYPE_PXB_DEV 2023-04-24 22:56:55 -04:00
pci-bridge pci/pci_expander_bridge: For CXL HB delay the HB register memory region setup. 2022-06-09 19:32:49 -04:00
pci-host ppc patch queue for 2023-03-03: 2023-03-04 14:01:34 +00:00
ppc pnv_phb4_pec: Simplify/align code to parent user-created PHBs 2023-03-03 16:50:17 -03:00
rdma qapi: introduce x-query-rdma QMP command 2021-11-02 15:55:14 +00:00
remote include/hw/pci: Split pci_device.h off pci.h 2023-01-08 01:54:22 -05:00
riscv hw/riscv/virt: Enable basic ACPI infrastructure 2023-03-06 11:35:04 -08:00
rtc hw/rtc: Rename rtc_[get|set]_memory -> mc146818rtc_[get|set]_cmos_data 2023-02-27 22:29:02 +01:00
rx Clean up header guards that don't match their file name 2022-05-11 16:49:06 +02:00
s390x s390x/pv: Add support for asynchronous teardown for reboot 2023-02-27 09:15:39 +01:00
scsi replace TABs with spaces 2023-03-20 12:43:50 +01:00
sd replace TABs with spaces 2023-03-20 12:43:50 +01:00
sensor hw/sensor: Add IC_DEVICE_ID to ISL voltage regulators 2022-07-14 16:24:38 +02:00
sh4 hw/intc/sh_intc: Inline and drop sh_intc_source() function 2021-10-30 18:39:37 +02:00
southbridge hw: Move ich9.h to southbridge/ 2023-02-27 22:29:01 +01:00
sparc hw: Replace anti-social QOM type names 2021-03-19 15:18:43 +01:00
ssi Do not include hw/hw.h if it is not necessary 2023-02-27 09:15:38 +01:00
timer hw: Replace isa_get_irq() by isa_bus_get_irq() when ISABus is available 2023-02-27 22:29:02 +01:00
tricore Do not include hw/hw.h if it is not necessary 2023-02-27 09:15:38 +01:00
usb include: Include headers where needed 2023-01-08 01:54:22 -05:00
vfio vfio/migration: Rename entry points 2023-03-07 11:19:07 -07:00
virtio virtio: refresh vring region cache after updating a virtqueue size 2023-04-21 03:08:21 -04:00
watchdog hw/watchdog: Allwinner WDT emulation for system reset 2023-04-20 10:21:13 +01:00
xen hw/xen: Rename xen_common.h to xen_native.h 2023-03-07 17:04:30 +00:00
xtensa
boards.h hw: Add compat machines for 8.1 2023-04-21 04:25:52 -04:00
clock.h host-utils: add 128-bit quotient support to divu128/divs128 2021-10-27 17:10:00 -07:00
elf_ops.h replace TABs with spaces 2023-03-20 12:43:50 +01:00
fw-path-provider.h Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
hotplug.h pci: fix 'hotplugglable' property behavior 2023-03-07 12:38:59 -05:00
hw.h compiler.h: replace QEMU_NORETURN with G_NORETURN 2022-04-21 17:03:51 +04:00
ide.h hw/ide: Declare ide_get_[geometry/bios_chs_trans] in 'hw/ide/internal.h' 2023-02-27 22:29:02 +01:00
irq.h hw/core/irq: remove unused 'qemu_irq_split' function 2022-04-21 11:37:04 +01:00
loader-fit.h nomaintainer: Fix Lesser GPL version number 2020-11-15 17:04:40 +01:00
loader.h hw: arm: Support direct boot for Linux/arm64 EFI zboot images 2023-03-06 14:08:12 +00:00
nmi.h Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
or-irq.h hw: Replace qemu_or_irq typedef by OrIRQState 2023-02-27 13:27:05 +00:00
pcmcia.h replace TABs with spaces 2023-03-20 12:43:50 +01:00
platform-bus.h nomaintainer: Fix Lesser GPL version number 2020-11-15 17:04:40 +01:00
ptimer.h ptimer: Rename PTIMER_POLICY_DEFAULT to PTIMER_POLICY_LEGACY 2022-05-19 16:19:03 +01:00
qdev-clock.h clock: Add ClockEvent parameter to callbacks 2021-03-08 17:20:01 +00:00
qdev-core.h memory: prevent dma-reentracy issues 2023-04-28 11:20:01 +02:00
qdev-dma.h
qdev-properties-system.h qdev: Reuse DEFINE_PROP in all DEFINE_PROP_* macros 2020-12-18 15:20:17 -05:00
qdev-properties.h qdev-properties: Add a new macro with bitmask check for uint64_t property 2022-05-14 12:32:41 +02:00
register.h hw/core/register: Add more 64-bit utilities 2021-09-01 11:59:12 +10:00
registerfields.h hw/registerfields: Add shared fields macros 2022-06-22 09:49:34 +02:00
resettable.h Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
stream.h hw/core/stream: Rename StreamSlave as StreamSink 2020-12-10 12:15:04 -05:00
sysbus.h qom: Remove module_obj_name parameter from OBJECT_DECLARE* macros 2020-09-18 14:12:32 -04:00
usb.h hw/usb: fix tab indentation 2022-11-08 11:13:48 +01:00
vmstate-if.h Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00