diff options
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/about/deprecated.rst | 15 | ||||
| -rw-r--r-- | docs/about/removed-features.rst | 14 | ||||
| -rw-r--r-- | docs/devel/migration/main.rst | 6 | ||||
| -rw-r--r-- | docs/devel/replay.rst | 3 | ||||
| -rw-r--r-- | docs/system/arm/gumstix.rst | 21 | ||||
| -rw-r--r-- | docs/system/arm/mainstone.rst | 25 | ||||
| -rw-r--r-- | docs/system/arm/nseries.rst | 33 | ||||
| -rw-r--r-- | docs/system/arm/palm.rst | 23 | ||||
| -rw-r--r-- | docs/system/arm/xscale.rst | 35 | ||||
| -rw-r--r-- | docs/system/target-arm.rst | 5 |
10 files changed, 23 insertions, 157 deletions
diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index 33a8c371cf..48b230b0a0 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -251,21 +251,6 @@ to correct issues, mostly regarding migration compatibility. These are no longer maintained and removing them will make the code easier to read and maintain. Use versions 3.0 and above as a replacement. -Arm machines ``akita``, ``borzoi``, ``cheetah``, ``connex``, ``mainstone``, ``n800``, ``n810``, ``spitz``, ``terrier``, ``tosa``, ``verdex``, ``z2`` (since 9.0) -'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' - -QEMU includes models of some machine types where the QEMU code that -emulates their SoCs is very old and unmaintained. This code is now -blocking our ability to move forward with various changes across -the codebase, and over many years nobody has been interested in -trying to modernise it. We don't expect any of these machines to have -a large number of users, because they're all modelling hardware that -has now passed away into history. We are therefore dropping support -for all machine types using the PXA2xx and OMAP2 SoCs. We are also -dropping the ``cheetah`` OMAP1 board, because we don't have any -test images for it and don't know of anybody who does; the ``sx1`` -and ``sx1-v1`` OMAP1 machines remain supported for now. - PPC 405 ``ref405ep`` machine (since 9.1) '''''''''''''''''''''''''''''''''''''''' diff --git a/docs/about/removed-features.rst b/docs/about/removed-features.rst index cc1a5d2d19..c76b91a88d 100644 --- a/docs/about/removed-features.rst +++ b/docs/about/removed-features.rst @@ -1012,6 +1012,20 @@ The Nios II architecture was orphan. The machine was unmaintained. +Arm machines ``akita``, ``borzoi``, ``cheetah``, ``connex``, ``mainstone``, ``n800``, ``n810``, ``spitz``, ``terrier``, ``tosa``, ``verdex``, ``z2`` (removed in 9.2) +''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' + +QEMU included models of some machine types where the QEMU code that +emulates their SoCs was very old and unmaintained. This code was +blocking our ability to move forward with various changes across +the codebase, and over many years nobody has been interested in +trying to modernise it. We don't expect any of these machines to have +a large number of users, because they're all modelling hardware that +has now passed away into history. We are therefore dropping support +for all machine types using the PXA2xx and OMAP2 SoCs. We are also +dropping the ``cheetah`` OMAP1 board, because we don't have any +test images for it and don't know of anybody who does. + linux-user mode CPUs -------------------- diff --git a/docs/devel/migration/main.rst b/docs/devel/migration/main.rst index 784c899dca..c2857fc244 100644 --- a/docs/devel/migration/main.rst +++ b/docs/devel/migration/main.rst @@ -465,6 +465,12 @@ Examples of such API functions are: - portio_list_set_address() - portio_list_set_enabled() +Since the order of device save/restore is not defined, you must +avoid accessing or changing any other device's state in one of these +callbacks. (For instance, don't do anything that calls ``update_irq()`` +in a ``post_load`` hook.) Otherwise, restore will not be deterministic, +and this will break execution record/replay. + Iterative device migration -------------------------- diff --git a/docs/devel/replay.rst b/docs/devel/replay.rst index effd856f0c..40f58d9d4f 100644 --- a/docs/devel/replay.rst +++ b/docs/devel/replay.rst @@ -202,6 +202,9 @@ into the log. Saving/restoring the VM state ----------------------------- +Record/replay relies on VM state save and restore being complete and +deterministic. + All fields in the device state structure (including virtual timers) should be restored by loadvm to the same values they had before savevm. diff --git a/docs/system/arm/gumstix.rst b/docs/system/arm/gumstix.rst deleted file mode 100644 index cb373139dc..0000000000 --- a/docs/system/arm/gumstix.rst +++ /dev/null @@ -1,21 +0,0 @@ -Gumstix Connex and Verdex (``connex``, ``verdex``) -================================================== - -These machines model the Gumstix Connex and Verdex boards. -The Connex has a PXA255 CPU and the Verdex has a PXA270. - -Implemented devices: - - * NOR flash - * SMC91C111 ethernet - * Interrupt controller - * DMA - * Timer - * GPIO - * MMC/SD card - * Fast infra-red communications port (FIR) - * LCD controller - * Synchronous serial ports (SPI) - * PCMCIA interface - * I2C - * I2S diff --git a/docs/system/arm/mainstone.rst b/docs/system/arm/mainstone.rst deleted file mode 100644 index 05310f42c7..0000000000 --- a/docs/system/arm/mainstone.rst +++ /dev/null @@ -1,25 +0,0 @@ -Intel Mainstone II board (``mainstone``) -======================================== - -The ``mainstone`` board emulates the Intel Mainstone II development -board, which uses a PXA270 CPU. - -Emulated devices: - -- Flash memory -- Keypad -- MMC controller -- 91C111 ethernet -- PIC -- Timer -- DMA -- GPIO -- FIR -- Serial -- LCD controller -- SSP -- USB controller -- RTC -- PCMCIA -- I2C -- I2S diff --git a/docs/system/arm/nseries.rst b/docs/system/arm/nseries.rst deleted file mode 100644 index cd9edf5d88..0000000000 --- a/docs/system/arm/nseries.rst +++ /dev/null @@ -1,33 +0,0 @@ -Nokia N800 and N810 tablets (``n800``, ``n810``) -================================================ - -Nokia N800 and N810 internet tablets (known also as RX-34 and RX-44 / -48) emulation supports the following elements: - -- Texas Instruments OMAP2420 System-on-chip (ARM1136 core) - -- RAM and non-volatile OneNAND Flash memories - -- Display connected to EPSON remote framebuffer chip and OMAP on-chip - display controller and a LS041y3 MIPI DBI-C controller - -- TI TSC2301 (in N800) and TI TSC2005 (in N810) touchscreen - controllers driven through SPI bus - -- National Semiconductor LM8323-controlled qwerty keyboard driven - through |I2C| bus - -- Secure Digital card connected to OMAP MMC/SD host - -- Three OMAP on-chip UARTs and on-chip STI debugging console - -- Mentor Graphics \"Inventra\" dual-role USB controller embedded in a - TI TUSB6010 chip - only USB host mode is supported - -- TI TMP105 temperature sensor driven through |I2C| bus - -- TI TWL92230C power management companion with an RTC on - |I2C| bus - -- Nokia RETU and TAHVO multi-purpose chips with an RTC, connected - through CBUS diff --git a/docs/system/arm/palm.rst b/docs/system/arm/palm.rst deleted file mode 100644 index 61bc8d34f4..0000000000 --- a/docs/system/arm/palm.rst +++ /dev/null @@ -1,23 +0,0 @@ -Palm Tungsten|E PDA (``cheetah``) -================================= - -The Palm Tungsten|E PDA (codename \"Cheetah\") emulation includes the -following elements: - -- Texas Instruments OMAP310 System-on-chip (ARM925T core) - -- ROM and RAM memories (ROM firmware image can be loaded with - -option-rom) - -- On-chip LCD controller - -- On-chip Real Time Clock - -- TI TSC2102i touchscreen controller / analog-digital converter / - Audio CODEC, connected through MicroWire and |I2S| buses - -- GPIO-connected matrix keypad - -- Secure Digital card connected to OMAP MMC/SD host - -- Three on-chip UARTs diff --git a/docs/system/arm/xscale.rst b/docs/system/arm/xscale.rst deleted file mode 100644 index e239136c3c..0000000000 --- a/docs/system/arm/xscale.rst +++ /dev/null @@ -1,35 +0,0 @@ -Sharp XScale-based PDA models (``akita``, ``borzoi``, ``spitz``, ``terrier``, ``tosa``) -======================================================================================= - -The Sharp Zaurus are PDAs based on XScale, able to run Linux ('SL series'). - -The SL-6000 (\"Tosa\"), released in 2005, uses a PXA255 System-on-chip. - -The SL-C3000 (\"Spitz\"), SL-C1000 (\"Akita\"), SL-C3100 (\"Borzoi\") and -SL-C3200 (\"Terrier\") use a PXA270. - -The clamshell PDA models emulation includes the following peripherals: - -- Intel PXA255/PXA270 System-on-chip (ARMv5TE core) - -- NAND Flash memory - not in \"Tosa\" - -- IBM/Hitachi DSCM microdrive in a PXA PCMCIA slot - not in \"Akita\" - -- On-chip OHCI USB controller - not in \"Tosa\" - -- On-chip LCD controller - -- On-chip Real Time Clock - -- TI ADS7846 touchscreen controller on SSP bus - -- Maxim MAX1111 analog-digital converter on |I2C| bus - -- GPIO-connected keyboard controller and LEDs - -- Secure Digital card connected to PXA MMC/SD host - -- Three on-chip UARTs - -- WM8750 audio CODEC on |I2C| and |I2S| buses diff --git a/docs/system/target-arm.rst b/docs/system/target-arm.rst index 7b99272284..3c0a584845 100644 --- a/docs/system/target-arm.rst +++ b/docs/system/target-arm.rst @@ -91,17 +91,12 @@ undocumented; you can get a complete list by running arm/cubieboard arm/emcraft-sf2 arm/musicpal - arm/gumstix - arm/mainstone arm/kzm - arm/nseries arm/nrf arm/nuvoton arm/imx25-pdk arm/orangepi - arm/palm arm/raspi - arm/xscale arm/collie arm/sx1 arm/stellaris |