On Wed, Aug 14, 2024 at 04:51:18PM +0800, Kuan-Ying Lee wrote: > Add the NT_ARM_TAGGED_ADDR_CTRL regset for aarch64. > Recognize and print this new core itme.
Thanks, found the description (The corresponding regset is 1 element of 8 bytes) here https://docs.kernel.org/arch/arm64/memory-tagging-extension.html Implementation looks correct. Pushed, Mark > > Signed-off-by: Kuan-Ying Lee <kuan-ying....@canonical.com> > --- > backends/aarch64_corenote.c | 11 ++++++++++- > libebl/eblcorenotetypename.c | 1 + > 2 files changed, 11 insertions(+), 1 deletion(-) > > diff --git a/backends/aarch64_corenote.c b/backends/aarch64_corenote.c > index 905a4b8ab9f5..bd0a4a725411 100644 > --- a/backends/aarch64_corenote.c > +++ b/backends/aarch64_corenote.c > @@ -107,6 +107,14 @@ static const Ebl_Core_Item aarch64_syscall_items [] = > } > }; > > +static const Ebl_Core_Item aarch64_mte_items [] = > + { > + { > + .name = "tag_ctrl", .type = ELF_T_XWORD, .format = 'x', > + .offset = 0, .group = "register" > + } > + }; > + > #define AARCH64_HWBP_REG(KIND, N) \ > { > \ > .name = "DBG" KIND "VR" #N "_EL1", .type = ELF_T_XWORD, .format = 'x', > \ > @@ -167,6 +175,7 @@ AARCH64_BP_WP_GROUP ("W", aarch64_hw_wp_items); > EXTRA_ITEMS (NT_ARM_TLS, 8, aarch64_tls_items) \ > EXTRA_ITEMS (NT_ARM_HW_BREAK, 264, aarch64_hw_bp_items) \ > EXTRA_ITEMS (NT_ARM_HW_WATCH, 264, aarch64_hw_wp_items) \ > - EXTRA_ITEMS (NT_ARM_SYSTEM_CALL, 4, aarch64_syscall_items) > + EXTRA_ITEMS (NT_ARM_SYSTEM_CALL, 4, aarch64_syscall_items) \ > + EXTRA_ITEMS (NT_ARM_TAGGED_ADDR_CTRL, 8, aarch64_mte_items) > > #include "linux-core-note.c" > diff --git a/libebl/eblcorenotetypename.c b/libebl/eblcorenotetypename.c > index 0e790d062de5..49331bdf76e8 100644 > --- a/libebl/eblcorenotetypename.c > +++ b/libebl/eblcorenotetypename.c > @@ -92,6 +92,7 @@ ebl_core_note_type_name (Ebl *ebl, uint32_t type, char > *buf, size_t len) > KNOWNSTYPE (ARM_HW_BREAK); > KNOWNSTYPE (ARM_HW_WATCH); > KNOWNSTYPE (ARM_SYSTEM_CALL); > + KNOWNSTYPE (ARM_TAGGED_ADDR_CTRL); > KNOWNSTYPE (SIGINFO); > KNOWNSTYPE (FILE); > #undef KNOWNSTYPE > -- > 2.43.0 >
