Add APOB messages to host_sp_comms (#2006)

Implements the state machine described in [RFD
593](rfd.shared.oxide.computer/rfd/593)

See oxidecomputer/stlouis#707,
oxidecomputer/rfd#855 ,
oxidecomputer/amd-host-image-builder#222

Author: mkeeter

Cargo.lock

@@ -143,6 +143,7 @@ zeroize = { version = "1.5.7", default-features = false, features = ["zeroize_de
 zip = { version = "0.6", default-features = false, features = ["bzip2", "deflate", "zstd"] }
 
 # Oxide forks and repos
+apob = { git = "https://github.com/oxidecomputer/apob", default-features = false }
 attest-data = { git = "https://github.com/oxidecomputer/dice-util", default-features = false, version = "0.4.0" }
 dice-mfg-msgs = { git = "https://github.com/oxidecomputer/dice-util", default-features = false, version = "0.2.1" }
 gateway-messages = { git = "https://github.com/oxidecomputer/management-gateway-service", default-features = false, features = ["smoltcp"] }

Cargo.toml

@@ -256,7 +256,7 @@ features = ["stm32h753", "usart6", "baud_rate_3M", "hardware_flow_control", "vla
 uses = ["usart6", "dbgmcu"]
 interrupts = {"usart6.irq" = "usart-irq"}
 priority = 9
-max-sizes = {flash = 66944, ram = 65536}
+max-sizes = {flash = 69120, ram = 65536}
 stacksize = 5400
 start = true
 task-slots = ["sys", { cpu_seq = "cosmo_seq" }, "hf", "control_plane_agent", "net", "packrat", "i2c_driver", { spi_driver = "spi2_driver" }, "sprot", "auxflash"]

app/cosmo/base.toml

@@ -240,7 +240,7 @@ features = ["stm32h753", "uart7", "baud_rate_3M", "hardware_flow_control", "vlan
 uses = ["uart7", "dbgmcu"]
 interrupts = {"uart7.irq" = "usart-irq"}
 priority = 8
-max-sizes = {flash = 65952, ram = 65536}
+max-sizes = {flash = 67648, ram = 65536}
 stacksize = 5376
 start = true
 task-slots = ["sys", { cpu_seq = "gimlet_seq" }, "hf", "control_plane_agent", "net", "packrat", "i2c_driver", { spi_driver = "spi2_driver" }, "sprot"]

app/gimlet/base.toml

@@ -9,14 +9,19 @@ drv-hash-api = { path = "../hash-api" }
 drv-hf-api = { path = "../hf-api" }
 drv-spartan7-loader-api = { path = "../spartan7-loader-api" }
 ringbuf = { path = "../../lib/ringbuf" }
+static-cell = { path = "../../lib/static-cell" }
 userlib = { path = "../../sys/userlib", features = ["panic-messages"] }
 
+apob = { workspace = true }
 cortex-m = { workspace = true }
+crc = { workspace = true }
+hubpack = { workspace = true }
 idol-runtime = { workspace = true }
 num-traits = { workspace = true }
-stm32h7 = { workspace = true }
 serde = { workspace = true }
-hubpack = { workspace = true }
+sha2 = { workspace = true }
+static_assertions = { workspace = true }
+stm32h7 = { workspace = true }
 zerocopy = { workspace = true }
 zerocopy-derive = { workspace = true }