http://osblog.stephenmarz.com/ch4.html http://csg.csail.mit.edu/6.175/archive/2015/lectures/L19-ExceptionsRev.pdf
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Web_start0800: /* Set the the NMI base to share with mtvec by setting CSR_MMISC_CTL */ li t0, 0x200 csrs CSR_MMISC_CTL, t0 /* Intial the mtvt*/ la t0, vector_base csrw CSR_MTVT, t0 /* Intial the mtvt2 and enable it*/ la t0, irq_entry csrw CSR_MTVT2, t0 csrs CSR_MTVT2, 0x1 /* Intial the CSR MTVEC for the Trap ane NMI base addr*/ la t0, trap_entry ... WebBlocking cache state elements module mkCache(Cache); RegFile#(CacheIndex, Line) dataArray <- mkRegFileFull; RegFile#(CacheIndex, Maybe#(CacheTag)) tagArray ...
WebLKML Archive on lore.kernel.org help / color / mirror / Atom feed * [PATCH v6 0/3] Allow accessing CSR using CSR number @ 2024-04-25 8:38 Anup Patel 2024-04-25 8:38 ` [PATCH v6 1/3] RISC-V: Use tabs to align macro values in asm/csr.h Anup Patel ` (3 more replies) 0 siblings, 4 replies; 6+ messages in thread From: Anup Patel @ 2024-04-25 … WebJun 14, 2024 · Hardware Floating Point. By Stephen Marz June 14, 2024. This is an article in the larger tutorial The Adventures of OS: Making a RISC-V Operating System using …
WebFor Mscratch:. Typically, it is used to hold a pointer to a machine-mode hart-local context space and swapped with a user register upon entry to an M-mode trap handler. For … WebJan 9, 2024 · Lhandle_trap_in_machine_mode restore_mscratch: # Restore mscratch, so future traps will know they didn't come from M-mode. csrw mscratch, sp restore_regs: # …
Web🎶 MIT 6.S081 Operating System Engineering (Now known as 6.1810) - 6.S081/riscv.h at master · Sorosliu1029/6.S081
Web/* Copyright 2024 The Chromium OS Authors. All rights reserved. * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. cumberland library hoursWebmscratch holds the pointer to HW-thread local storage for saving context before handling the interrupt mstatus Special instructions ERET (environment return) to return from an … cumberland licensing corpWebLhandle_trap_in_machine_mode restore_mscratch: # Restore mscratch, so future traps will know they didn't come from M-mode. csrw mscratch, sp restore_regs: # Restore all of the registers. LOAD ra, 1*REGBYTES(sp) // 途中略 LOAD sp, 2*REGBYTES(sp) mret // ここでMachine-modeから抜ける east side teal chairWebMar 10, 2024 · csrr a0, mepc csrr a1, mtval csrr a2, mcause csrr a3, mhartid csrr a4, mstatus csrr a5, mscratch la t0, KERNEL_STACK_END ld sp, 0(t0) call m_trap In the … eastside terrace apartments jacksonville flWebContributors to all versions of the spec in alphabetical order (please contact editors to suggest corrections): Krste Asanovi c, Rimas Avi zienis, Jacob Bachmeyer, Allen J. Baum, Paolo Bonzini, eastside thai restaurant near meWebMar 10, 2024 · csrr a0, mepc csrr a1, mtval csrr a2, mcause csrr a3, mhartid csrr a4, mstatus csrr a5, mscratch la t0, KERNEL_STACK_END ld sp, 0(t0) call m_trap In the trap, and after we've saved the context, we then start giving information over to the Rust trap handler, m_trap. These parameters must match the order in Rust. eastside thai mnWebFor Mscratch:. Typically, it is used to hold a pointer to a machine-mode hart-local context space and swapped with a user register upon entry to an M-mode trap handler. For Mtvec: register that holds trap vector configuration, consisting of a vector base address (BASE) and a vector mode (MODE). I couldn't clear the difference between two. cumberland licensing corporation