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OpenSBI

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Lee Lup Yuen 2023-10-20 19:24:11 +08:00
parent 3446ccbcfe
commit 6ff2de3dda
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@ -8187,7 +8187,7 @@ We run this __`ecall`__ to jump from NuttX (in RISC-V Supervisor Mode) to OpenSB
Like this... Like this...
From https://github.com/lupyuen2/wip-pinephone-nuttx/blob/sbi/boards/risc-v/jh7110/star64/src/jh7110_appinit.c#L155-L237 From [jh7110_appinit.c](https://github.com/lupyuen2/wip-pinephone-nuttx/blob/sbi/boards/risc-v/jh7110/star64/src/jh7110_appinit.c#L155-L237)
```c ```c
// After NuttX boots on JH7110... // After NuttX boots on JH7110...
@ -8212,7 +8212,7 @@ int test_opensbi(void) {
__`sbi_ecall`__ makes an __`ecall`__ to jump from NuttX (in RISC-V Supervisor Mode) to OpenSBI (in RISC-V Machine Mode)... __`sbi_ecall`__ makes an __`ecall`__ to jump from NuttX (in RISC-V Supervisor Mode) to OpenSBI (in RISC-V Machine Mode)...
From https://github.com/lupyuen2/wip-pinephone-nuttx/blob/sbi/boards/risc-v/jh7110/star64/src/jh7110_appinit.c#L268-L299 From [jh7110_appinit.c](https://github.com/lupyuen2/wip-pinephone-nuttx/blob/sbi/boards/risc-v/jh7110/star64/src/jh7110_appinit.c#L268-L299)
```c ```c
// Make an ecall to OpenSBI. Based on // Make an ecall to OpenSBI. Based on
@ -8262,7 +8262,7 @@ _But that's calling the Legacy Console Putchar Function. What about the newer De
Let's call the newer [Debug Console Functions](https://github.com/riscv-non-isa/riscv-sbi-doc/blob/master/src/ext-debug-console.adoc) in OpenSBI... Let's call the newer [Debug Console Functions](https://github.com/riscv-non-isa/riscv-sbi-doc/blob/master/src/ext-debug-console.adoc) in OpenSBI...
From https://github.com/lupyuen2/wip-pinephone-nuttx/blob/sbi/boards/risc-v/jh7110/star64/src/jh7110_appinit.c#L237-L265 From [jh7110_appinit.c](https://github.com/lupyuen2/wip-pinephone-nuttx/blob/sbi/boards/risc-v/jh7110/star64/src/jh7110_appinit.c#L237-L265)
```c ```c
// TODO: Not supported by SBI v0.2, this will return SBI_ERR_NOT_SUPPORTED // TODO: Not supported by SBI v0.2, this will return SBI_ERR_NOT_SUPPORTED