forked from AbleOS/ableos
POC serial driver for arm
Does not work for x86 yet
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parent
562fb7c9b2
commit
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@ -149,6 +149,7 @@ fn get_fs() -> Result<FileSystem<impl ReadWriteSeek>, io::Error> {
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"target/test-programs/failure.hbf",
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"target/test-programs/ecall.hbf",
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"target/test-programs/main.hbf",
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"target/test-programs/serial_driver.hbf",
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"target/test-programs/vfs_test.hbf",
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"target/test-programs/limine_framebuffer_driver.hbf",
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] {
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@ -32,3 +32,6 @@ TERM_BACKDROP=008080
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MODULE_PATH=boot:///limine_framebuffer_driver.hbf
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MODULE_CMDLINE="height=10 width=10 arch=${ARCH}"
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MODULE_PATH=boot:///serial_driver.hbf
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MODULE_CMDLINE="arch=${ARCH}"
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@ -90,6 +90,14 @@ fn main(){
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li64(r2, 1);
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eca();
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// Zero out all used registers
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li64(r1, 0);
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li64(r2, 0);
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li64(r3, 0);
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li64(r4, 0);
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li64(r5, 0);
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li64(r6, 0);
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li64(r7, 0);
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}
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std::Info("Starting the limine framebuffer driver.");
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// un();
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27
sysdata/test-programs/serial_driver.rhai
Normal file
27
sysdata/test-programs/serial_driver.rhai
Normal file
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@ -0,0 +1,27 @@
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import "sysdata/test-programs/hblib/std" as std;
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fn main(){
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let ADDR = 0;
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// FIXME: Actually check the arch argument
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let architecture = "ARM";
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if architecture == "ARM" {
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std::Info("Arm Serial Driver");
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ADDR = 0x09000000;
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}
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lra(r3, r0, ADDR);
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li64(r1, 0);
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li8(r1, 65);
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st(r1, r0, ADDR, 1);
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// New Line
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li8(r1, 12);st(r1, r0, ADDR, 1);
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tx();
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}
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main();
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