systemd-bootchart: Backport RISC-V support

This is a combined backport from upstream patches for added risc-v
support

Upstream code has been re-organised before risc-v support was added to
its mix of two commits
primarily
171b533800

680a752c83

(From OE-Core rev: 7356ae622bd71ba1a022a9ed18c4cf085e948b38)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/systemd-bootchart/systemd-bootchart/0001-architecture-Recognise-RISCV-32-RISCV-64.patch

@@ -0,0 +1,45 @@
+From 4a6ace0a965965ea15e88c3418c7158ca5cc9f8f Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Thu, 21 Nov 2019 10:12:05 -0800
+Subject: [PATCH] architecture: Recognise RISCV-32/RISCV-64
+
+Upstream-Status: Backport [https://github.com/systemd/systemd/commit/171b53380085b1288b03b19a2b978f36a5c003d0]
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ src/architecture.h | 13 +++++++++++++
+ 1 file changed, 13 insertions(+)
+
+diff --git a/src/architecture.h b/src/architecture.h
+index 26679e2..89c7d32 100644
+--- a/src/architecture.h
++++ b/src/architecture.h
+@@ -57,6 +57,8 @@ enum {
+         ARCHITECTURE_M68K,
+         ARCHITECTURE_TILEGX,
+         ARCHITECTURE_CRIS,
++       ARCHITECTURE_RISCV32,
++       ARCHITECTURE_RISCV64,
+         _ARCHITECTURE_MAX,
+         _ARCHITECTURE_INVALID = -1
+ };
+@@ -194,6 +196,17 @@ int uname_architecture(void);
+ #elif defined(__cris__)
+ #  define native_architecture() ARCHITECTURE_CRIS
+ #  error "Missing LIB_ARCH_TUPLE for CRIS"
++#elif defined(__riscv)
++#  if __SIZEOF_POINTER__ == 4
++#    define native_architecture() ARCHITECTURE_RISCV32
++#    define LIB_ARCH_TUPLE "riscv32-linux-gnu"
++#  elif __SIZEOF_POINTER__ == 8
++#    define native_architecture() ARCHITECTURE_RISCV64
++#    define LIB_ARCH_TUPLE "riscv64-linux-gnu"
++#  else
++#    error "Unrecognized riscv architecture variant"
++#  endif
++#  define PROC_CPUINFO_MODEL "cpu model"
+ #else
+ #  error "Please register your architecture here!"
+ #endif
+-- 
+2.24.0
+

meta/recipes-devtools/systemd-bootchart/systemd-bootchart_233.bb

@@ -3,6 +3,7 @@ LIC_FILES_CHKSUM = "file://LICENSE.LGPL2.1;md5=4fbd65380cdd255951079008b364516c
                     file://LICENSE.GPL2;md5=751419260aa954499f7abaabaa882bbe"
 
 SRC_URI = "git://github.com/systemd/systemd-bootchart.git;protocol=https \
+           file://0001-architecture-Recognise-RISCV-32-RISCV-64.patch \
 "
 
 SRC_URI_append_libc-musl = " \