diff options
Diffstat (limited to 'meta-openbmc-mods/meta-common/recipes-core/at-scale-debug')
4 files changed, 155 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-common/recipes-core/at-scale-debug/at-scale-debug_git.bb b/meta-openbmc-mods/meta-common/recipes-core/at-scale-debug/at-scale-debug_git.bb new file mode 100644 index 000000000..74db92917 --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-core/at-scale-debug/at-scale-debug_git.bb @@ -0,0 +1,41 @@ +inherit obmc-phosphor-systemd + +SUMMARY = "At Scale Debug Service" +DESCRIPTION = "At Scale Debug Service exposes remote JTAG target debug capabilities" + +LICENSE = "BSD" +LIC_FILES_CHKSUM = "file://LICENSE;md5=8929d33c051277ca2294fe0f5b062f38" + + +inherit cmake +DEPENDS = "sdbusplus openssl libpam libgpiod safec" + +do_configure[depends] += "virtual/kernel:do_shared_workdir" + +SRC_URI = "git://github.com/Intel-BMC/asd;protocol=git" +SRCREV = "1.4.6" + +inherit useradd + +USERADD_PACKAGES = "${PN}" + +# add a special user asdbg +USERADD_PARAM:${PN} = "-u 999 asdbg" + +S = "${WORKDIR}/git" + +SYSTEMD_SERVICE:${PN} += "com.intel.AtScaleDebug.service" + +# Specify any options you want to pass to cmake using EXTRA_OECMAKE: +EXTRA_OECMAKE = "-DBUILD_UT=OFF" + +CFLAGS:append = " -I ${STAGING_KERNEL_DIR}/include/uapi" +CFLAGS:append = " -I ${STAGING_KERNEL_DIR}/include" + +# Copying the depricated header from kernel as a temporary fix to resolve build breaks. +# It should be removed later after fixing the header dependency in this repository. +SRC_URI += "file://asm/rwonce.h" +do_configure:prepend() { + cp -r ${WORKDIR}/asm ${S}/asm +} +CFLAGS:append = " -I ${S}" diff --git a/meta-openbmc-mods/meta-common/recipes-core/at-scale-debug/files/asm/rwonce.h b/meta-openbmc-mods/meta-common/recipes-core/at-scale-debug/files/asm/rwonce.h new file mode 100644 index 000000000..11619bdbe --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-core/at-scale-debug/files/asm/rwonce.h @@ -0,0 +1,90 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Prevent the compiler from merging or refetching reads or writes. The + * compiler is also forbidden from reordering successive instances of + * READ_ONCE and WRITE_ONCE, but only when the compiler is aware of some + * particular ordering. One way to make the compiler aware of ordering is to + * put the two invocations of READ_ONCE or WRITE_ONCE in different C + * statements. + * + * These two macros will also work on aggregate data types like structs or + * unions. + * + * Their two major use cases are: (1) Mediating communication between + * process-level code and irq/NMI handlers, all running on the same CPU, + * and (2) Ensuring that the compiler does not fold, spindle, or otherwise + * mutilate accesses that either do not require ordering or that interact + * with an explicit memory barrier or atomic instruction that provides the + * required ordering. + */ +#ifndef __ASM_GENERIC_RWONCE_H +#define __ASM_GENERIC_RWONCE_H + +#ifndef __ASSEMBLY__ + +#include <linux/compiler_types.h> +#include <linux/kasan-checks.h> +#include <linux/kcsan-checks.h> + +/* + * Yes, this permits 64-bit accesses on 32-bit architectures. These will + * actually be atomic in some cases (namely Armv7 + LPAE), but for others we + * rely on the access being split into 2x32-bit accesses for a 32-bit quantity + * (e.g. a virtual address) and a strong prevailing wind. + */ +#define compiletime_assert_rwonce_type(t) \ + compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ + "Unsupported access size for {READ,WRITE}_ONCE().") + +/* + * Use __READ_ONCE() instead of READ_ONCE() if you do not require any + * atomicity. Note that this may result in tears! + */ +#ifndef __READ_ONCE +#define __READ_ONCE(x) (*(const volatile __unqual_scalar_typeof(x) *)&(x)) +#endif + +#define READ_ONCE(x) \ +({ \ + compiletime_assert_rwonce_type(x); \ + __READ_ONCE(x); \ +}) + +#define __WRITE_ONCE(x, val) \ +do { \ + *(volatile typeof(x) *)&(x) = (val); \ +} while (0) + +#define WRITE_ONCE(x, val) \ +do { \ + compiletime_assert_rwonce_type(x); \ + __WRITE_ONCE(x, val); \ +} while (0) + +static __always_inline +unsigned long __read_once_word_nocheck(const void *addr) +{ + return __READ_ONCE(*(unsigned long *)addr); +} + +/* + * Use READ_ONCE_NOCHECK() instead of READ_ONCE() if you need to load a + * word from memory atomically but without telling KASAN/KCSAN. This is + * usually used by unwinding code when walking the stack of a running process. + */ +#define READ_ONCE_NOCHECK(x) \ +({ \ + compiletime_assert(sizeof(x) == sizeof(unsigned long), \ + "Unsupported access size for READ_ONCE_NOCHECK()."); \ + (typeof(x))__read_once_word_nocheck(&(x)); \ +}) + +static __always_inline +unsigned long read_word_at_a_time(const void *addr) +{ + kasan_check_read(addr, 1); + return *(unsigned long *)addr; +} + +#endif /* __ASSEMBLY__ */ +#endif /* __ASM_GENERIC_RWONCE_H */ diff --git a/meta-openbmc-mods/meta-common/recipes-core/at-scale-debug/files/com.intel.AtScaleDebug.service b/meta-openbmc-mods/meta-common/recipes-core/at-scale-debug/files/com.intel.AtScaleDebug.service new file mode 100644 index 000000000..4411de11c --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-core/at-scale-debug/files/com.intel.AtScaleDebug.service @@ -0,0 +1,12 @@ +[Unit] +Description=Intel BMC At Scale Debug +Requires=network-online.target + +[Service] +Restart=always +RestartSec=30 +ExecStart={bindir}/asd +Type=simple +SyslogIdentifier=asd + + diff --git a/meta-openbmc-mods/meta-common/recipes-core/at-scale-debug/files/com.intel.AtScaleDebugJtagTest.service b/meta-openbmc-mods/meta-common/recipes-core/at-scale-debug/files/com.intel.AtScaleDebugJtagTest.service new file mode 100644 index 000000000..281d1a993 --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-core/at-scale-debug/files/com.intel.AtScaleDebugJtagTest.service @@ -0,0 +1,12 @@ +[Unit] +Description=Intel BMC At Scale Debug JTAG test to check if remote debug setting is enabled + +[Service] +Type=oneshot +ExecStartPre=/bin/sleep 10 +ExecStart={bindir}/jtag_test +SyslogIdentifier=jtag_test +RemainAfterExit=true + +[Install] +WantedBy=obmc-host-start@0.target |