Added print/println macros, Changed color, Implemented a simple panic handler
This commit is contained in:
parent
9035a4f095
commit
fc7992bd5f
234
Cargo.lock
generated
234
Cargo.lock
generated
|
|
@ -1,5 +1,62 @@
|
||||||
# This file is automatically @generated by Cargo.
|
# This file is automatically @generated by Cargo.
|
||||||
# It is not intended for manual editing.
|
# It is not intended for manual editing.
|
||||||
|
[[package]]
|
||||||
|
name = "array-init"
|
||||||
|
version = "0.0.4"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
dependencies = [
|
||||||
|
"nodrop 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "bit_field"
|
||||||
|
version = "0.9.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "bitflags"
|
||||||
|
version = "1.0.5"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "bootloader"
|
||||||
|
version = "0.6.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
dependencies = [
|
||||||
|
"fixedvec 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
"font8x8 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
"llvm-tools 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
"usize_conversions 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
"x86_64 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
"xmas-elf 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "fixedvec"
|
||||||
|
version = "0.2.3"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
dependencies = [
|
||||||
|
"skeptic 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "font8x8"
|
||||||
|
version = "0.2.4"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "fuchsia-cprng"
|
||||||
|
version = "0.1.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "getopts"
|
||||||
|
version = "0.2.19"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
dependencies = [
|
||||||
|
"unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
]
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "lazy_static"
|
name = "lazy_static"
|
||||||
version = "1.3.0"
|
version = "1.3.0"
|
||||||
|
|
@ -8,15 +65,94 @@ dependencies = [
|
||||||
"spin 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
"spin 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
]
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "libc"
|
||||||
|
version = "0.2.53"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "llvm-tools"
|
||||||
|
version = "0.1.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "neptune"
|
name = "neptune"
|
||||||
version = "0.1.0"
|
version = "0.1.0"
|
||||||
dependencies = [
|
dependencies = [
|
||||||
|
"bootloader 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
"lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
"lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
"spin 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
|
"spin 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
"volatile 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
|
"volatile 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
]
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "nodrop"
|
||||||
|
version = "0.1.13"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "os_bootinfo"
|
||||||
|
version = "0.2.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "pulldown-cmark"
|
||||||
|
version = "0.0.3"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
dependencies = [
|
||||||
|
"getopts 0.2.19 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "rand"
|
||||||
|
version = "0.4.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
dependencies = [
|
||||||
|
"fuchsia-cprng 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
"libc 0.2.53 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
"rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
"rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
"winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "rand_core"
|
||||||
|
version = "0.3.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
dependencies = [
|
||||||
|
"rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "rand_core"
|
||||||
|
version = "0.4.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "rdrand"
|
||||||
|
version = "0.4.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
dependencies = [
|
||||||
|
"rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "remove_dir_all"
|
||||||
|
version = "0.5.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
dependencies = [
|
||||||
|
"winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "skeptic"
|
||||||
|
version = "0.5.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
dependencies = [
|
||||||
|
"pulldown-cmark 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
"tempdir 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
]
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "spin"
|
name = "spin"
|
||||||
version = "0.4.10"
|
version = "0.4.10"
|
||||||
|
|
@ -27,13 +163,111 @@ name = "spin"
|
||||||
version = "0.5.0"
|
version = "0.5.0"
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "tempdir"
|
||||||
|
version = "0.3.7"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
dependencies = [
|
||||||
|
"rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
"remove_dir_all 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "unicode-width"
|
||||||
|
version = "0.1.5"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "usize_conversions"
|
||||||
|
version = "0.2.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "ux"
|
||||||
|
version = "0.1.3"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "volatile"
|
name = "volatile"
|
||||||
version = "0.2.6"
|
version = "0.2.6"
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "winapi"
|
||||||
|
version = "0.3.7"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
dependencies = [
|
||||||
|
"winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
"winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "winapi-i686-pc-windows-gnu"
|
||||||
|
version = "0.4.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "winapi-x86_64-pc-windows-gnu"
|
||||||
|
version = "0.4.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "x86_64"
|
||||||
|
version = "0.3.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
dependencies = [
|
||||||
|
"array-init 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
"bit_field 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
"bitflags 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
"os_bootinfo 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
"usize_conversions 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
"ux 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "xmas-elf"
|
||||||
|
version = "0.6.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
dependencies = [
|
||||||
|
"zero 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "zero"
|
||||||
|
version = "0.1.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
|
||||||
[metadata]
|
[metadata]
|
||||||
|
"checksum array-init 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "23589ecb866b460d3a0f1278834750268c607e8e28a1b982c907219f3178cd72"
|
||||||
|
"checksum bit_field 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ed8765909f9009617974ab6b7d332625b320b33c326b1e9321382ef1999b5d56"
|
||||||
|
"checksum bitflags 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "bd1fa8ad26490b0a5cfec99089952250301b6716cdeaa7c9ab229598fb82ab66"
|
||||||
|
"checksum bootloader 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8654b1ebbd38d2a8687a451ad53466d01b5edc9d75ec63d676525a6103d77151"
|
||||||
|
"checksum fixedvec 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "7c6c16d316ccdac21a4dd648e314e76facbbaf316e83ca137d0857a9c07419d0"
|
||||||
|
"checksum font8x8 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)" = "b81d84c3c978af7d05d31a2198af4b9ba956d819d15d8f6d58fc150e33f8dc1f"
|
||||||
|
"checksum fuchsia-cprng 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
|
||||||
|
"checksum getopts 0.2.19 (registry+https://github.com/rust-lang/crates.io-index)" = "72327b15c228bfe31f1390f93dd5e9279587f0463836393c9df719ce62a3e450"
|
||||||
"checksum lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bc5729f27f159ddd61f4df6228e827e86643d4d3e7c32183cb30a1c08f604a14"
|
"checksum lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bc5729f27f159ddd61f4df6228e827e86643d4d3e7c32183cb30a1c08f604a14"
|
||||||
|
"checksum libc 0.2.53 (registry+https://github.com/rust-lang/crates.io-index)" = "ec350a9417dfd244dc9a6c4a71e13895a4db6b92f0b106f07ebbc3f3bc580cee"
|
||||||
|
"checksum llvm-tools 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "955be5d0ca0465caf127165acb47964f911e2bc26073e865deb8be7189302faf"
|
||||||
|
"checksum nodrop 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)" = "2f9667ddcc6cc8a43afc9b7917599d7216aa09c463919ea32c59ed6cac8bc945"
|
||||||
|
"checksum os_bootinfo 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "66481dbeb5e773e7bd85b63cd6042c30786f834338288c5ec4f3742673db360a"
|
||||||
|
"checksum pulldown-cmark 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "8361e81576d2e02643b04950e487ec172b687180da65c731c03cf336784e6c07"
|
||||||
|
"checksum rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "552840b97013b1a26992c11eac34bdd778e464601a4c2054b5f0bff7c6761293"
|
||||||
|
"checksum rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b"
|
||||||
|
"checksum rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d0e7a549d590831370895ab7ba4ea0c1b6b011d106b5ff2da6eee112615e6dc0"
|
||||||
|
"checksum rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
|
||||||
|
"checksum remove_dir_all 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3488ba1b9a2084d38645c4c08276a1752dcbf2c7130d74f1569681ad5d2799c5"
|
||||||
|
"checksum skeptic 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "061203a849117b0f7090baf8157aa91dac30545208fbb85166ac58b4ca33d89c"
|
||||||
"checksum spin 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)" = "ceac490aa12c567115b40b7b7fceca03a6c9d53d5defea066123debc83c5dc1f"
|
"checksum spin 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)" = "ceac490aa12c567115b40b7b7fceca03a6c9d53d5defea066123debc83c5dc1f"
|
||||||
"checksum spin 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "44363f6f51401c34e7be73db0db371c04705d35efbe9f7d6082e03a921a32c55"
|
"checksum spin 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "44363f6f51401c34e7be73db0db371c04705d35efbe9f7d6082e03a921a32c55"
|
||||||
|
"checksum tempdir 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "15f2b5fb00ccdf689e0149d1b1b3c03fead81c2b37735d812fa8bddbbf41b6d8"
|
||||||
|
"checksum unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "882386231c45df4700b275c7ff55b6f3698780a650026380e72dabe76fa46526"
|
||||||
|
"checksum usize_conversions 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f70329e2cbe45d6c97a5112daad40c34cd9a4e18edb5a2a18fefeb584d8d25e5"
|
||||||
|
"checksum ux 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "88dfeb711b61ce620c0cb6fd9f8e3e678622f0c971da2a63c4b3e25e88ed012f"
|
||||||
"checksum volatile 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "6af0edf5b4faacc31fc51159244d78d65ec580f021afcef7bd53c04aeabc7f29"
|
"checksum volatile 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "6af0edf5b4faacc31fc51159244d78d65ec580f021afcef7bd53c04aeabc7f29"
|
||||||
|
"checksum winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "f10e386af2b13e47c89e7236a7a14a086791a2b88ebad6df9bf42040195cf770"
|
||||||
|
"checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
|
||||||
|
"checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
||||||
|
"checksum x86_64 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "f9258d7e2dd25008d69e8c9e9ee37865887a5e1e3d06a62f1cb3f6c209e6f177"
|
||||||
|
"checksum xmas-elf 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "22678df5df766e8d1e5d609da69f0c3132d794edf6ab5e75e7abcd2270d4cf58"
|
||||||
|
"checksum zero 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "5f1bc8a6b2005884962297587045002d8cfb8dcec9db332f4ca216ddc5de82c5"
|
||||||
|
|
|
||||||
|
|
@ -7,13 +7,17 @@ edition = "2018"
|
||||||
[dependencies]
|
[dependencies]
|
||||||
volatile = "0.2.3"
|
volatile = "0.2.3"
|
||||||
spin = "0.4.6"
|
spin = "0.4.6"
|
||||||
|
bootloader = "0.6.0"
|
||||||
|
|
||||||
[dependencies.lazy_static]
|
[dependencies.lazy_static]
|
||||||
version = "1.0"
|
version = "1.0"
|
||||||
features = ["spin_no_std"]
|
features = ["spin_no_std"]
|
||||||
|
|
||||||
[package.metadata.bootimage]
|
[package.metadata.bootimage]
|
||||||
default-target = "x86_64-os.json"
|
default-target = "neptune-x86_64.json"
|
||||||
|
|
||||||
|
[build]
|
||||||
|
target = "neptune-x86_64.json"
|
||||||
|
|
||||||
[profile.dev]
|
[profile.dev]
|
||||||
panic = "abort"
|
panic = "abort"
|
||||||
|
|
|
||||||
18
src/main.rs
18
src/main.rs
|
|
@ -1,22 +1,18 @@
|
||||||
#![no_std] // don't include rust std lib
|
#![no_std] // don't include rust std lib
|
||||||
#![no_main] // disable all rust entry point
|
#![no_main] // disable all rust entry point
|
||||||
|
|
||||||
extern crate spin;
|
|
||||||
extern crate volatile;
|
|
||||||
|
|
||||||
#[macro_use]
|
#[macro_use]
|
||||||
extern crate lazy_static;
|
extern crate lazy_static;
|
||||||
|
|
||||||
mod vga_buffer;
|
mod vga_buffer;
|
||||||
|
|
||||||
use core::fmt::Write;
|
|
||||||
use core::panic::PanicInfo;
|
use core::panic::PanicInfo;
|
||||||
use vga_buffer::{Buffer, Color, ColorCode, Writer};
|
use vga_buffer::{Buffer, Color, ColorCode, Writer};
|
||||||
|
|
||||||
/// This function is called on panic.
|
/// This function is called on panic.
|
||||||
#[panic_handler]
|
#[panic_handler]
|
||||||
#[no_mangle]
|
pub fn panic(info: &PanicInfo) -> ! {
|
||||||
pub fn panic(_info: &PanicInfo) -> ! {
|
println!("{}", info);
|
||||||
loop {}
|
loop {}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
@ -24,13 +20,9 @@ pub fn panic(_info: &PanicInfo) -> ! {
|
||||||
pub extern "C" fn _start() -> ! {
|
pub extern "C" fn _start() -> ! {
|
||||||
use core::fmt::Write;
|
use core::fmt::Write;
|
||||||
vga_buffer::WRITER.lock().write_str("Hello again").unwrap();
|
vga_buffer::WRITER.lock().write_str("Hello again").unwrap();
|
||||||
write!(
|
println!(", some numbers: {} {}", 42, 1.337);
|
||||||
vga_buffer::WRITER.lock(),
|
|
||||||
", some numbers: {} {}",
|
panic!("panic message goes right here");
|
||||||
42,
|
|
||||||
1.337
|
|
||||||
)
|
|
||||||
.unwrap();
|
|
||||||
|
|
||||||
loop {}
|
loop {}
|
||||||
}
|
}
|
||||||
|
|
|
||||||
|
|
@ -1,6 +1,6 @@
|
||||||
use core::fmt;
|
use core::fmt;
|
||||||
use volatile::Volatile;
|
|
||||||
use spin::Mutex;
|
use spin::Mutex;
|
||||||
|
use volatile::Volatile;
|
||||||
|
|
||||||
#[allow(dead_code)]
|
#[allow(dead_code)]
|
||||||
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
|
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
|
||||||
|
|
@ -26,6 +26,7 @@ pub enum Color {
|
||||||
|
|
||||||
// represents a color by combining foreground and background
|
// represents a color by combining foreground and background
|
||||||
#[derive(Debug, Clone, Copy, Eq, PartialEq)]
|
#[derive(Debug, Clone, Copy, Eq, PartialEq)]
|
||||||
|
#[repr(transparent)]
|
||||||
pub struct ColorCode(u8);
|
pub struct ColorCode(u8);
|
||||||
|
|
||||||
impl ColorCode {
|
impl ColorCode {
|
||||||
|
|
@ -49,6 +50,7 @@ const BUFFER_HEIGHT: usize = 25;
|
||||||
const BUFFER_WIDTH: usize = 80;
|
const BUFFER_WIDTH: usize = 80;
|
||||||
|
|
||||||
// This represents the vga buffer of size 25 * 80.
|
// This represents the vga buffer of size 25 * 80.
|
||||||
|
#[repr(transparent)]
|
||||||
pub struct Buffer {
|
pub struct Buffer {
|
||||||
chars: [[Volatile<ScreenChar>; BUFFER_WIDTH]; BUFFER_HEIGHT],
|
chars: [[Volatile<ScreenChar>; BUFFER_WIDTH]; BUFFER_HEIGHT],
|
||||||
}
|
}
|
||||||
|
|
@ -62,7 +64,7 @@ pub struct Writer {
|
||||||
lazy_static! {
|
lazy_static! {
|
||||||
pub static ref WRITER: Mutex<Writer> = Mutex::new(Writer {
|
pub static ref WRITER: Mutex<Writer> = Mutex::new(Writer {
|
||||||
column_position: 0,
|
column_position: 0,
|
||||||
color_code: ColorCode::new(Color::Yellow, Color::Black),
|
color_code: ColorCode::new(Color::Green, Color::Black),
|
||||||
buffer: unsafe { &mut *(0xb8000 as *mut Buffer) },
|
buffer: unsafe { &mut *(0xb8000 as *mut Buffer) },
|
||||||
});
|
});
|
||||||
}
|
}
|
||||||
|
|
@ -102,7 +104,7 @@ impl Writer {
|
||||||
|
|
||||||
fn new_line(&mut self) {
|
fn new_line(&mut self) {
|
||||||
for row in 1..BUFFER_HEIGHT {
|
for row in 1..BUFFER_HEIGHT {
|
||||||
for col in 1..BUFFER_WIDTH {
|
for col in 0..BUFFER_WIDTH {
|
||||||
let character = self.buffer.chars[row][col].read();
|
let character = self.buffer.chars[row][col].read();
|
||||||
self.buffer.chars[row - 1][col].write(character);
|
self.buffer.chars[row - 1][col].write(character);
|
||||||
}
|
}
|
||||||
|
|
@ -131,3 +133,21 @@ impl fmt::Write for Writer {
|
||||||
Ok(())
|
Ok(())
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// println implementation to write to vga buffer
|
||||||
|
#[macro_export]
|
||||||
|
macro_rules! print {
|
||||||
|
($($arg:tt)*) => ($crate::vga_buffer::_print(format_args!($($arg)*)));
|
||||||
|
}
|
||||||
|
|
||||||
|
#[macro_export]
|
||||||
|
macro_rules! println {
|
||||||
|
() => ($crate::print!("\n"));
|
||||||
|
($($arg:tt)*) => ($crate::print!("{}\n", format_args!($($arg)*)));
|
||||||
|
}
|
||||||
|
|
||||||
|
#[doc(hidden)]
|
||||||
|
pub fn _print(args: fmt::Arguments) {
|
||||||
|
use core::fmt::Write;
|
||||||
|
WRITER.lock().write_fmt(args).unwrap();
|
||||||
|
}
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue
Block a user