Signed-off-by: Julien CLEMENT <julien.clement@epita.fr>
This commit is contained in:
parent
11782b5397
commit
7dd8764409
153
Cargo.lock
generated
153
Cargo.lock
generated
@ -2,6 +2,15 @@
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# It is not intended for manual editing.
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version = 3
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[[package]]
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name = "atomic-polyfill"
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version = "0.1.11"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e3ff7eb3f316534d83a8a2c3d1674ace8a5a71198eba31e2e2b597833f699b28"
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dependencies = [
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"critical-section",
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]
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[[package]]
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name = "autocfg"
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version = "1.1.0"
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@ -26,12 +35,24 @@ version = "1.3.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
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[[package]]
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name = "byteorder"
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version = "1.4.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
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[[package]]
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name = "cfg-if"
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version = "0.1.10"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
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[[package]]
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name = "cobs"
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version = "0.2.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "67ba02a97a2bd10f4b59b25c7973101c79642302776489e030cd13cdab09ed15"
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[[package]]
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name = "conquer-once"
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version = "0.2.1"
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@ -47,6 +68,12 @@ version = "0.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "654fb2472cc369d311c547103a1fa81d467bef370ae7a0680f65939895b1182a"
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[[package]]
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name = "critical-section"
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version = "1.1.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "6548a0ad5d2549e111e1f6a11a6c2e2d00ce6a3dafe22948d67c2b443f775e52"
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[[package]]
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name = "crossbeam-queue"
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version = "0.2.3"
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@ -92,6 +119,29 @@ dependencies = [
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"pin-utils",
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]
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[[package]]
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name = "hash32"
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version = "0.2.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b0c35f58762feb77d74ebe43bdbc3210f09be9fe6742234d573bacc26ed92b67"
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dependencies = [
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"byteorder",
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]
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[[package]]
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name = "heapless"
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version = "0.7.16"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "db04bc24a18b9ea980628ecf00e6c0264f3c1426dac36c00cb49b6fbad8b0743"
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dependencies = [
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"atomic-polyfill",
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"hash32",
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"rustc_version",
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"serde",
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"spin 0.9.4",
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"stable_deref_trait",
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]
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[[package]]
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name = "julios"
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version = "0.1.0"
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@ -99,12 +149,15 @@ dependencies = [
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"conquer-once",
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"crossbeam-queue",
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"futures-util",
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"heapless",
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"lazy_static",
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"linked_list_allocator",
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"multiboot2",
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"pc-keyboard",
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"pic8259",
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"spin",
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"postcard",
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"serde",
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"spin 0.5.2",
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"volatile 0.2.7",
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"x86_64",
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]
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@ -115,7 +168,7 @@ version = "1.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
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dependencies = [
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"spin",
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"spin 0.5.2",
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]
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[[package]]
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@ -178,6 +231,44 @@ version = "0.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
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[[package]]
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name = "postcard"
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version = "1.0.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1c2b180dc0bade59f03fd005cb967d3f1e5f69b13922dad0cd6e047cb8af2363"
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dependencies = [
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"cobs",
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"heapless",
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"serde",
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]
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[[package]]
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name = "proc-macro2"
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version = "1.0.47"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5ea3d908b0e36316caf9e9e2c4625cdde190a7e6f440d794667ed17a1855e725"
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dependencies = [
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"unicode-ident",
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]
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[[package]]
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name = "quote"
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version = "1.0.21"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "bbe448f377a7d6961e30f5955f9b8d106c3f5e449d493ee1b125c1d43c2b5179"
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dependencies = [
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"proc-macro2",
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]
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[[package]]
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name = "rustc_version"
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version = "0.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "bfa0f585226d2e68097d4f95d113b15b83a82e819ab25717ec0590d9584ef366"
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dependencies = [
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"semver",
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]
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[[package]]
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name = "rustversion"
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version = "1.0.6"
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@ -190,12 +281,47 @@ version = "1.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
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[[package]]
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name = "semver"
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version = "1.0.14"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e25dfac463d778e353db5be2449d1cce89bd6fd23c9f1ea21310ce6e5a1b29c4"
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[[package]]
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name = "serde"
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version = "1.0.149"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "256b9932320c590e707b94576e3cc1f7c9024d0ee6612dfbcf1cb106cbe8e055"
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dependencies = [
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"serde_derive",
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]
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[[package]]
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name = "serde_derive"
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version = "1.0.149"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b4eae9b04cbffdfd550eb462ed33bc6a1b68c935127d008b27444d08380f94e4"
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dependencies = [
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"proc-macro2",
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"quote",
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"syn",
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]
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[[package]]
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name = "spin"
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version = "0.5.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
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[[package]]
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name = "spin"
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version = "0.9.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "7f6002a767bff9e83f8eeecf883ecb8011875a21ae8da43bffb817a57e78cc09"
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dependencies = [
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"lock_api",
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]
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[[package]]
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name = "spinning_top"
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version = "0.2.4"
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@ -205,6 +331,29 @@ dependencies = [
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"lock_api",
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]
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[[package]]
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name = "stable_deref_trait"
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version = "1.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
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[[package]]
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name = "syn"
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version = "1.0.105"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "60b9b43d45702de4c839cb9b51d9f529c5dd26a4aff255b42b1ebc03e88ee908"
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dependencies = [
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"proc-macro2",
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"quote",
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"unicode-ident",
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]
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[[package]]
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name = "unicode-ident"
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version = "1.0.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "6ceab39d59e4c9499d4e5a8ee0e2735b891bb7308ac83dfb4e80cad195c9f6f3"
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[[package]]
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name = "volatile"
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version = "0.2.7"
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@ -16,6 +16,9 @@ pic8259 = "0.10.1"
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pc-keyboard = "0.5.0"
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multiboot2 = "0.1.0"
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linked_list_allocator = "0.9.0"
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postcard = "1.0.0"
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serde = { version = "1.0", default-features = false, features = ["alloc"] }
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heapless = "0.7.16"
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[dependencies.lazy_static]
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version = "1.0"
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@ -1,7 +1,12 @@
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use crate::serial_println;
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use crate::println;
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use core::convert::TryInto;
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use lazy_static::lazy_static;
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use serde::{Serialize, Deserialize};
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use spin::Mutex;
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use postcard::{to_vec};
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use x86_64::instructions::port::Port;
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const CD_SECTOR_SIZE: usize = 2048;
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@ -14,6 +19,9 @@ const ATA_BUS_SECONDARY: u16 = 0x170;
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const ATA_DRIVE_MASTER: u8 = 0xa0;
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const ATA_DRIVE_SLAVE: u8 = 0xb0;
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// ATA Commands
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const ATA_CMD_PACKET: u8 = 0xa0;
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// Status bits
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const ATA_ERR: u8 = 1 << 0;
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const ATA_DRQ: u8 = 1 << 3;
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@ -40,14 +48,14 @@ static ATAPI_SIG: [u8; 4] = [
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];
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lazy_static! {
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static ref DRIVE: Option<ATABus> = {
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ATABus::discover_atapi_drive()
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static ref DRIVE: Mutex<Option<ATABus>> = {
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Mutex::new(ATABus::discover_atapi_drive())
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};
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}
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pub fn init() {
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println!("Detecting drives");
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match DRIVE.as_ref() {
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match DRIVE.lock().as_ref() {
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None => println!("No drive detected :("),
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Some(drive) => {
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let drive_type = match drive.current_drive {
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@ -64,6 +72,9 @@ pub fn init() {
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serial_println!("Detected drive: {:?}", drive);
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}
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}
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// TODO : remove
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DRIVE.lock().as_mut().unwrap().send_packet(SCSIPacket::new());
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}
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#[derive(Debug)]
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@ -71,7 +82,7 @@ struct ATABus {
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base_port: u16,
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// IO ports
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data: Port<u8>,
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data: Port<u16>,
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features: Port<u8>, // write
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error: Port<u8>, // read
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sector_count: Port<u8>,
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@ -164,6 +175,29 @@ impl ATABus {
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ATAPI_SIG == sig
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}
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fn send_packet(&mut self, packet: SCSIPacket) {
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let raw_packet = packet.serialize();
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self.wait_busy();
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unsafe {
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self.features.write(0);
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self.sector_count.write(0);
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self.address2.write((CD_SECTOR_SIZE & 0xff) as u8);
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self.address3.write(((CD_SECTOR_SIZE >> 8) & 0xff) as u8);
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self.command.write(ATA_CMD_PACKET);
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}
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self.wait_packet_request();
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for i in (0..raw_packet.len()).step_by(2) {
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let word = u16::from_be_bytes(raw_packet[i..i+2].try_into().unwrap());
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unsafe {
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self.data.write(word);
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}
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}
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// TODO: Wait packet data transmit
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}
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fn wait_busy(&mut self) {
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let mut status = ATA_BSY;
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while (status & ATA_BSY) != 0 {
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@ -192,3 +226,29 @@ impl ATABus {
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}
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}
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#[derive(Default, Serialize, Deserialize, Debug, Eq, PartialEq)]
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#[repr(C, packed)]
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struct SCSIPacket {
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op_code: u8,
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flags_lo: u8,
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lba_hi: u8,
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lba_mihi: u8,
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lba_midlo: u8,
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lba_lo: u8,
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transfer_length_hi: u8,
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transfer_length_mihi: u8,
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transfer_length_milo: u8,
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transfer_length_lo: u8,
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flags_hi: u8,
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control: u8
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}
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impl SCSIPacket {
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fn new() -> Self {
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SCSIPacket::default()
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}
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fn serialize(&self) -> heapless::Vec<u8, 12> {
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to_vec(&self).unwrap()
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}
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}
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