github.com/usbarmory/tamago

This release aligns the tamago library to the new runtime API introduced in tamago-go1.27.0.

Major changes for tamago package API:

• arm: DefaultExceptionHandler now takes no argument (d7f37cc)
• microchip/flexcom: (*FLEXCOM).InitUSART deprecated in favor of (*USART).Init (031bf03)
• microchip/flexcom: (*FLEXCOM).InitTWI deprecated in favor of (*TWI).Init (031bf03)

Major changes for tamago internal packages:

• arm: improve exception handling, unify traceback with amd64 (d7f37cc)

Full Changelog: v1.26.6...v1.27.0

This release requires GOOS=tamago support in the Go distribution with tamago-go1.27.0 or later releases.

This release features:

• support for a new architecture and related SoC: LoongArch 64-bit on Loongson 3A5000/3A6000 + LS7A
• major improvements to Microchip LAN969x support
• transition of Ethernet PHY drivers to its own phy package

Major changes for tamago package API on loong64 platforms:

• loong64: new package for LoongArch 64-bit support (#73)
• loong64: (*CPU).Idle, (*CPU).IdleTime new functions for CPU usage metrics (#96)
• soc/loongson/ls3a5000: new package for Loongson 3A5000/3A6000 support (#73)
• board/qemu/virt: new package for QEMU virt machine support (#73)

Major changes for tamago package API to improve Microchip support:

• arm: (*CPU).ServiceInterrupts function moved to CPU instance (2692cd4)
• arm: (*CPU).Idle, (*CPU).IdleTime new functions for CPU usage metrics (#96)
• microchip/lan9696evb: negotiate 100/1000 Mbps Ethernet speed (#86)
• microchip/devcpu: improve network frame handling implementation (#82)
• microchip/fan: new driver for lan969x fan controller (#91, 793d137)
• microchip/flexcom: use blocking mode for first (*FLEXCOM).Read (#75)
• microchip/flexcom: fix incorrect byte count in (*FLEXCOM).Write (#79)
• microchip/flexcom: (*FLEXCOM).EnableInterrupt now disables interrupts with nil argument (#80)
• microchip/flexcom: enable single-data FIFO and improve (*FLEXCOM).Rx (#80)
• microchip/flexcom: (*FLEXCOM).InitUSART, (*FLEXCOM).USART new function and field for USART mode (#94)
• microchip/flexcom: (*FLEXCOM).InitTWI, (*FLEXCOM).TWI new function and field for TWI mode (#94)
• microchip/gpio: move to (*Pin) abstraction and add (*Pin).High, (*Pin).Low functions (#85, #87)
• microchip/temp: new driver for lan969x temperature sensor (#77)
• microchip/miim: (*MIIM).MDIO22, (*MIIM).MDIO45 now report transaction errors (#86)
• microchip/miim: (*MIIM).ReadPHYRegister, (*MIIM).WritePhyRegister now report transaction errors (#86)
• microchip/spgio: new driver for lan969x serial GPIO (#93)
• microchip/wdt: new driver for lan969x watchdog (#84)

Major changes for tamago package API on amd64 platforms:

• arm64: (*CPU).InitMMU allow mapping across multiple boundaries (#76)
• cloud_hypervisor/vm: adjust goos.Exit implementation to 1-byte shutdown_pio_address write (8462b1f)
• cloud_hypervisor/vm: increase goos.RamSize to 2560 MiB (8462b1f)
• firecracker/microvm: increase goos.RamSize to 2560 MiB (8462b1f)
• qemu/microvm: increase goos.RamSize to 2560 MiB (8462b1f)
• intel/uart: (*UART).EnableInterrupt new function to enable IRQ support (d9059b0)
• intel/uart: (*UART).Rx now takes block argument for conditional data wait (d9059b0)
• aifoundry/uart: fix incorrect byte count in (*Shakti).Read, (*Shakti).Write (dc1edde)
• aifoundry/uart: fix incorrect byte count in (*Synopsys).Read, (*Synopsys).Write (dc1edde)

Major changes for tamago package API Ethernet PHY support:

• bits: add 16-bit register support (ea8c3a6)
• phy: generic MIIM interface for PHY operations (#88)
• ksz8081: new driver for Microchip KSZ8081 (#88)
• lan8804: new driver for Microchip LAN8804/LAN8814(#90, 6a236d3, #92)
• lan8840: new driver for Microchip LAN8840 (#88, #92)
• dp83825i: new driver for Texas Instruments DP83825i (#88)
• nxp/enet: (*ENET).Timeout new field for MIIM operations timeout (#88)
• nxp/enet: (*ENET).MDIO22, (*ENET).MDIO45 now return an error in case of timeout (#88)
• nxp/enet: (*ENET).ReadPHYRegister, (*ENET).WritePHYRegister now returns an error in case of timeout (#88)

Major changes for tamago package API on arm/arm64 platforms:

• arm64: (*CPU).Idle, (*CPU).IdleTime new functions for CPU usage metrics (#96)
• nuvoton/aic: (*AIC).EnableInterrupt renamed from (*AIC).EnableIRQ (8fe9325)
• nuvoton/aic: (*AIC).DisableInterrupt renamed from (*AIC).DisableIRQ (8fe9325)
• nuvoton/aic: (*AIC).CurrentInterrupt renamed from (*AIC).CurrentIRQ (8fe9325)
• nuvoton/aic: (*AIC).ClearInterrupt renamed from (*AIC).EOI (8fe9325)

Major changes for tamago internal packages:

• dma: always defrag when freeing a DMA block (f7a60ad)
• dma: fix reservation check (18b653c)
• reg: improve implementation and fix (unused) Get16 and Move functions (#78, 2ba8fc2)
• nxp/caam: improve CAAM checks (835eaad)

Full Changelog: v1.26.5...v1.26.6

This release requires GOOS=tamago support in the Go distribution with tamago-go1.26.5 or later releases, it has been tested with tamago-go1.26.6.

This release features:

• an installation tool fix for an issue which resulted in errors at its first run
• support for GOOS=tamago GOARCH=arm GOARM=5 (e.g. ARMv5)
• support for Nuvoton NUC980 SoC and NuMaker-IIoT-NUC980G2 evaluation board
• support for Google Compute Engine Virtual Ethernet (gVNIC)

Major changes for tamago toolchain installation tool:

• cmd/tamago: unset GOOS when building toolchain (3e634b4)

Major changes for tamago package API:

• arm: (*CPU).MIDR new function to read Main ID register (#66)
• arm: (*CPU).ServiceInterrupts function moved to CPU instance (#66)
• board/nuvoton/nuc980iiot: new package to support NuMaker-IIoT-NUC980G2 board (#66)
• kvm/gvnic: new driver for Google Compute Engine Virtual Ethernet (gVNIC) (#62)
• soc/nuvoton/aic: new driver for Nuvoton Advanced Interrupt Controller (#66)
• soc/nuvoton/etimer: new driver for Nuvoton Enhanced Timer (#66)
• soc/nuvoton/nuc980: new package to support Nuvoton NUC980 microprocessors
• soc/nuvoton/prng: new driver for Nuvoton pseudorandom number generator (#66)
• soc/nuvoton/uart: new driver for Nuvoton UART Interface Controller (#66)

Major changes for tamago package internals:

• arm: ARMv5 exception/interrupt handling (#66)
• arm: CPU features lookup is now conditional to ARMv6 or later architectures (#72)
• nxp/bee: fix deadlock due to naming collision with (*BEE).Lock (bb8159e)
• nxp/uart: fix incorrect byte count in (*UART).Read, (*UART).Write (671275b)
• sifive/uart: fix incorrect byte count in (*UART).Read, (*UART).Write (671275b)

Full Changelog: v1.26.4...v1.26.5

This release requires GOOS=tamago support in the Go distribution with tamago-go1.26.4 or later releases, it has been tested with tamago-go1.26.5.

This release features:

• improved CPU idle management for amd64, aimed at reducing CPU usage on multi-core (e.g. SMP) unikernels
• improved AMD SEV-SNP support for vCPU creation
• improved amd64 SMP support for external AP initialization (e.g. UEFI, AMD SEV-SNP)

Major changes for tamago package API:

• amd64: (*CPU).Wake new function to wake up idle CPUs (6a9fc7e)
• amd64: (*CPU).GOMAXPROCS new function for runtime system thread configuration (855a632, 6e32384)
• goos: runtime/goos.Wake new optional function to wake up idle CPUs (6a9fc7e)

Major changes for tamago package API to add AMD SEV-SNP support under SMP:

• kvm/sev: (*VMSA).Init new function for VMSA initialization (7ab1167, f4b3053)
• kvm/sev: (*GHCB).HypervisorFeatures new function to get hypervisor feature support (220a094)
• kvm/sev: (*GHCB).CreateAP new function for AP creation (7ab1167)
• kvm/sev: (*GHCB).RemoveAP new function for AP removal (7ab1167)
• kvm/sev: (*GHCB).VMSA new field for shared guest/psp VMSA buffers DMA region (7ab1167)
• kvm/sev: (*GHCB).CPU new field for vCPU GPA access (8b31c87)
• kvm/sev: (*GHCB).Init function removed in favor of opportunistic vCPU-bound initialization (8b31c87)
• kvm/sev: SEVStatus.Features new field to get SEV Guest feature selection (220a094)

Major changes for tamago package internals:

• amd64: handle user defined interrupts regardless of ISR presence (fb91823)
• amd64: segment registers no longer reloaded on IDT setup (04fb603)

Full Changelog: v1.26.3...v1.26.4

This release requires GOOS=tamago support in the Go distribution with tamago-go1.26.4 or later releases, it has been tested with tamago-go1.26.4.

This release provides major improvements in interrupt and network support, aimed at improved performance and compatibility with UEFI, AMD SEV-SNP environments and the new go-net stack/device abstraction driver. Additionally Firecracker support and QEMU sifive_u support are aligned to recent updates.

Major changes for tamago package API to improve GICv2 interrupt support:

• arm: (*CPU).Init drops argument as vbar override can be linknamed as vecTableStart(c514b55)
• arm/gic: (*GIC).Init secure argument removed and assumed true (c00208e)
• arm/gic: (*GIC).Init drop fiqen argument in favor of *(GIC).FIQEn (c00208e)
• arm/gic: (*GIC).EnableInterrupts secure argument removed and assumed true (c00208e)
• arm/gic: (*GIC).GetInterrupt secure argument removed and assumed true (c00208e)
• arm/gic: (*GIC).GetNonSecureInterrupt new function to acknowledge NS IRQ (c00208e)
• arm/gic: (*GIC).SetInterruptGroup, (*GIC).SetInterruptGroups new functions to set S/NS IRQ (c00208e)

Major changes for tamago package API to improve Microchip support:

• microchip/flexcom: (*FLEXCOM).EnableInterrupt new function to enable IRQ support (c01f01e)
• microchip/flexcom: (*FLEXCOM).Rx now takes block argument for conditional data wait (c01f01e)
• microchip/lan969x: ClearInterrupt new function to signal end of interrupt servicing (fbbfda2)

Major changes for tamago package API to add go-net compatibility:

• nxp/spi: add NXP ECSPI driver (dd5192b)
• nxp/enet: (*ENET).Receive replaces (*ENET).Rx for go-net generic NetworkDevice compatibility (d194fa3)
• nxp/enet: (*ENET).Transmit replaces (*ENET).Tx for go-net generic NetworkDevice compatibility (d194fa3)
• nxp/enet: removed polling support from (*ENET).Start and (*ENET).RxHandler field (d194fa3)

Major changes for tamago package API:

• riscv64: (*CPU).SetExceptionHandler restore function for TEE use (7afa079)
• virtio: (*VirtualQueue).NeedsNotify new function to hint (*VirtualQueue).QueueNotify (6419be1)
• virtio: (*VirtualQueue).Pop now takes caller buffer rather than returning one (e7d4ff8)
• virtio: add EnableInterrupt to VirtIO interface, (*MMIO).EnableInterrupt dummy function (b5ad5a4)

Major changes for tamago package internals:

• amd64: do not overwrite VMM Communication ISR (75921b5)
• amd64: reload GDT if required before IDT load (b757d2d)
• amd64: keep original GDT/IDT if cpuinit override is detected (d0233f3)
• amd64: use fresh CR3 before initializing SMP (4b7af08)
• amd64: avoid atomic MMIO operations under SEV-SNP (63941dd)
• arm64: force 2048-byte alignment of vector base address register (3f7e6ce, 94b9c0c)
• nxp/enet: force 8-byte alignment on DMA buffer copy to fix arm64 alignment fault (2575b98)
• firecracker/microvm: disable PIC to address spurious #UD exception (firecracker-microvm/firecracker#5805, 814a9cb)
• sifive/uart: set tx/rx enable (29100db)
• virtio: fix regression in VirtIO queue logic error which resulted in packet buffer overhead (e7d4ff8)

Full Changelog: v1.26.2...v1.26.3

This release requires GOOS=tamago support in the Go distribution with tamago-go1.26.2 or later releases, it has been tested with tamago-go1.26.3.

This release brings support for new ARM64 and RISCV64 platforms: the Microchip LAN969x SoC series and AI Foundry ET Platform Minion cores.

Additionally, following tamago-go1.26.2 changes, the new tiny build tag now alllows TamaGo unikernel to run with lower memory requirements. See kotama for examples.

Major changes for tamago package API to add AI Foundry parts support:

• board/aifoundry/erbium_emu: new package for AI Foundry Erbium emulator support (6dab823, a7bd600)
• board/aifoundry/sys_emu: new package for AI Foundry ET-SoC-1 emulator support (e99ec8d)
• soc/aifoundry/erbium: new package for AI Foundry Erbium support (6dab823, a7bd600)
• soc/aifoundry/etsoc1: new package for AI Foundry ET-SoC-1 support (e99ec8d)

Major changes for tamago package API to add Microchip part support:

• board/microchip/lan9696evb: new package for Microchip EVB-LAN9696-24port board support (e78e35e)
• soc/microchip/lan969x: new package for Microchip LAN969x SoC support (e78e35e)

Major changes for tamago package API riscv64 support:

• riscv64: (*CPU).ID new field for hardware thread ID reporting (1ad5e0c)
• riscv64: (*CPU).EnableInterrupts new function for interrupt enabling (d7cf6ac)
• riscv64: (*CPU).DisableInterrupts new function for interrupt disabling (d7cf6ac)
• riscv64: (*CPU).WaitInterrupts new function for interrupt wait (d7cf6ac)
• riscv64: (*CPU).ServiceInterrupts new function for interrupt servicing (d7cf6ac)
• riscv64: (*CPU).GetExceptionHandlerAddress new function to return mtvec target (1ad5e0c)
• riscv64: (*CPU).SetExceptionHandlerAddress new function to set mtvec target (15b4385)
• riscv64: (*CPU).SystemExceptionHandler new variable to replace (*CPU).SetExceptionHandler (1ad5e0c)
• sifive/clint: (*CLINT).IPI, new function for interrupt signaling (d7cf6ac)
• sifive/clint: (*CLINT).ClearIPI, new function for interrupt clearing (71e89d5)
• sifive/uart: avoid scheduler starvation when no data is available to read (0116365)

Major changes for runtime API:

• runtime/goos: add memory allocation customization constants and tiny build tag support (605d179)
• runtime/goos: support 64-bit pointers page allocation (7031b44, c57f7ab)

Major changes for tamago package internals:

• amd64: (*CPU).InitSMP now disables SMP with argument less or equal to 1
• amd64, arm, arm64: migrate IRQ handling to os/signal support (216dedc)
• dma: change (*block).slice implementation to remove use of deprecated function (787cd08)
• riscv64: add IRQ handling support through os/signal (1ad5e0c)
• virtio: fix VirtIO queue logic error which resulted in packet loss/re-transmission (dbe0c59)

Full Changelog: v1.26.1...v1.26.2

This release requires GOOS=tamago support in the Go distribution with tamago-go1.26.2 or later releases.

This release adds documentation for the tamago command which downloads, compiles, and runs the go command from the TamaGo distribution matching the tamago module version from the application go.mod.

Applications can now add github.com/usbarmory/tamago to go.mod, and then replace the go command with:

go run github.com/usbarmory/tamago/cmd/tamago

or add the following line to go.mod go use go tool tamago as go command:

tool github.com/usbarmory/tamago/cmd/tamago

Major changes for tamago package API:

• riscv64: (*CPU).Features new function for extension fields reporting (e0ce8ce)
• README: add documentation for go tool support (cb005ad)

Major changes for tamago package internals:

• soc/sifive/physicalfilter: fix API misalignment (c12e613)
• soc/bcm2835: fix API misalignment (1f408d5)

Full Changelog: v1.26.0...v1.26.1

This release requires GOOS=tamago support in the Go distribution with tamago-go1.26.1 or later releases.