git: 4e1bc961bb44 - main - arm64, riscv: handle RB_KDB
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Date: Tue, 01 Feb 2022 18:00:24 UTC
The branch main has been updated by mhorne: URL: https://cgit.FreeBSD.org/src/commit/?id=4e1bc961bb4467f074e48aa6e710ccd1aa7f2888 commit 4e1bc961bb4467f074e48aa6e710ccd1aa7f2888 Author: Mitchell Horne <mhorne@FreeBSD.org> AuthorDate: 2022-02-01 17:58:07 +0000 Commit: Mitchell Horne <mhorne@FreeBSD.org> CommitDate: 2022-02-01 17:59:54 +0000 arm64, riscv: handle RB_KDB This allows entering the debugger at the earliest possible time, if the '-d' argument is passed to the kernel. Reviewed by: jhb Sponsored by: The FreeBSD Foundation MFC after: 3 days Differential Revision: https://reviews.freebsd.org/D34120 --- sys/arm64/arm64/machdep.c | 4 ++++ sys/riscv/riscv/machdep.c | 4 ++++ 2 files changed, 8 insertions(+) diff --git a/sys/arm64/arm64/machdep.c b/sys/arm64/arm64/machdep.c index 950169e50a5f..0e4aa657bb13 100644 --- a/sys/arm64/arm64/machdep.c +++ b/sys/arm64/arm64/machdep.c @@ -855,6 +855,10 @@ initarm(struct arm64_bootparams *abp) dbg_init(); kdb_init(); +#ifdef KDB + if ((boothowto & RB_KDB) != 0) + kdb_enter(KDB_WHY_BOOTFLAGS, "Boot flags requested debugger"); +#endif pan_enable(); kcsan_cpu_init(0); diff --git a/sys/riscv/riscv/machdep.c b/sys/riscv/riscv/machdep.c index 340b94448cfe..c27baa2d4a95 100644 --- a/sys/riscv/riscv/machdep.c +++ b/sys/riscv/riscv/machdep.c @@ -587,6 +587,10 @@ initriscv(struct riscv_bootparams *rvbp) mutex_init(); init_param2(physmem); kdb_init(); +#ifdef KDB + if ((boothowto & RB_KDB) != 0) + kdb_enter(KDB_WHY_BOOTFLAGS, "Boot flags requested debugger"); +#endif env = kern_getenv("kernelname"); if (env != NULL)