summaryrefslogtreecommitdiff
path: root/gnu/packages/patches/dtc-32-bits-check.patch
diff options
context:
space:
mode:
Diffstat (limited to 'gnu/packages/patches/dtc-32-bits-check.patch')
-rw-r--r--gnu/packages/patches/dtc-32-bits-check.patch134
1 files changed, 134 insertions, 0 deletions
diff --git a/gnu/packages/patches/dtc-32-bits-check.patch b/gnu/packages/patches/dtc-32-bits-check.patch
new file mode 100644
index 0000000000..cf15be3404
--- /dev/null
+++ b/gnu/packages/patches/dtc-32-bits-check.patch
@@ -0,0 +1,134 @@
+This fixes tests on 32 bits platforms. Patch taken from upstream.
+
+commit f8872e29ce06d78d3db71b3ab26a7465fc8a9586
+Author: David Gibson <david@gibson.dropbear.id.au>
+Date: Fri Oct 6 23:07:30 2017 +1100
+
+ tests: Avoid 64-bit arithmetic in assembler
+
+ For testing we (ab)use the assembler to build us a sample dtb, independent
+ of the other tools (dtc and libfdt) that we're trying to test. In a few
+ places this uses 64-bit arithmetic to decompose 64-bit constants into
+ the individual bytes in the blob.
+
+ Unfortunately, it seems that some builds of GNU as don't support >32 bit
+ arithmetic, though it's not entirely clear to me which do and which don't
+ (Fedora i386 does support 64-bit, Debian arm32 doesn't).
+
+ Anyway, to be safe, this avoids 64-bit arithmetic in assembler at the cost
+ of some extra awkwardness because we have to define the values in 32-bit
+ halves.
+
+ Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
+
+diff --git a/tests/testdata.h b/tests/testdata.h
+index 3588778..f6bbe1d 100644
+--- a/tests/testdata.h
++++ b/tests/testdata.h
+@@ -4,15 +4,25 @@
+ #define ASM_CONST_LL(x) (x##ULL)
+ #endif
+
+-#define TEST_ADDR_1 ASM_CONST_LL(0xdeadbeef00000000)
+-#define TEST_SIZE_1 ASM_CONST_LL(0x100000)
+-#define TEST_ADDR_2 ASM_CONST_LL(123456789)
+-#define TEST_SIZE_2 ASM_CONST_LL(010000)
++#define TEST_ADDR_1H ASM_CONST_LL(0xdeadbeef)
++#define TEST_ADDR_1L ASM_CONST_LL(0x00000000)
++#define TEST_ADDR_1 ((TEST_ADDR_1H << 32) | TEST_ADDR_1L)
++#define TEST_SIZE_1H ASM_CONST_LL(0x00000000)
++#define TEST_SIZE_1L ASM_CONST_LL(0x00100000)
++#define TEST_SIZE_1 ((TEST_SIZE_1H << 32) | TEST_SIZE_1L)
++#define TEST_ADDR_2H ASM_CONST_LL(0)
++#define TEST_ADDR_2L ASM_CONST_LL(123456789)
++#define TEST_ADDR_2 ((TEST_ADDR_2H << 32) | TEST_ADDR_2L)
++#define TEST_SIZE_2H ASM_CONST_LL(0)
++#define TEST_SIZE_2L ASM_CONST_LL(010000)
++#define TEST_SIZE_2 ((TEST_SIZE_2H << 32) | TEST_SIZE_2L)
+
+ #define TEST_VALUE_1 0xdeadbeef
+ #define TEST_VALUE_2 123456789
+
+-#define TEST_VALUE64_1 ASM_CONST_LL(0xdeadbeef01abcdef)
++#define TEST_VALUE64_1H ASM_CONST_LL(0xdeadbeef)
++#define TEST_VALUE64_1L ASM_CONST_LL(0x01abcdef)
++#define TEST_VALUE64_1 ((TEST_VALUE64_1H << 32) | TEST_VALUE64_1L)
+
+ #define PHANDLE_1 0x2000
+ #define PHANDLE_2 0x2001
+diff --git a/tests/trees.S b/tests/trees.S
+index 9854d1d..9859914 100644
+--- a/tests/trees.S
++++ b/tests/trees.S
+@@ -7,16 +7,6 @@
+ .byte ((val) >> 8) & 0xff ; \
+ .byte (val) & 0xff ;
+
+-#define FDTQUAD(val) \
+- .byte ((val) >> 56) & 0xff ; \
+- .byte ((val) >> 48) & 0xff ; \
+- .byte ((val) >> 40) & 0xff ; \
+- .byte ((val) >> 32) & 0xff ; \
+- .byte ((val) >> 24) & 0xff ; \
+- .byte ((val) >> 16) & 0xff ; \
+- .byte ((val) >> 8) & 0xff ; \
+- .byte (val) & 0xff ;
+-
+ #define TREE_HDR(tree) \
+ .balign 8 ; \
+ .globl _##tree ; \
+@@ -33,14 +23,16 @@ tree: \
+ FDTLONG(tree##_strings_end - tree##_strings) ; \
+ FDTLONG(tree##_struct_end - tree##_struct) ;
+
+-#define RSVMAP_ENTRY(addr, len) \
+- FDTQUAD(addr) ; \
+- FDTQUAD(len) ; \
++#define RSVMAP_ENTRY(addrh, addrl, lenh, lenl) \
++ FDTLONG(addrh) ; \
++ FDTLONG(addrl) ; \
++ FDTLONG(lenh) ; \
++ FDTLONG(lenl)
+
+ #define EMPTY_RSVMAP(tree) \
+ .balign 8 ; \
+ tree##_rsvmap: ; \
+- RSVMAP_ENTRY(0, 0) \
++ RSVMAP_ENTRY(0, 0, 0, 0) \
+ tree##_rsvmap_end: ;
+
+ #define PROPHDR(tree, name, len) \
+@@ -52,9 +44,10 @@ tree##_rsvmap_end: ;
+ PROPHDR(tree, name, 4) \
+ FDTLONG(val) ;
+
+-#define PROP_INT64(tree, name, val) \
++#define PROP_INT64(tree, name, valh, vall) \
+ PROPHDR(tree, name, 8) \
+- FDTQUAD(val) ;
++ FDTLONG(valh) ; \
++ FDTLONG(vall) ;
+
+ #define PROP_STR(tree, name, str) \
+ PROPHDR(tree, name, 55f - 54f) \
+@@ -81,16 +74,16 @@ tree##_##name: ; \
+
+ .balign 8
+ test_tree1_rsvmap:
+- RSVMAP_ENTRY(TEST_ADDR_1, TEST_SIZE_1)
+- RSVMAP_ENTRY(TEST_ADDR_2, TEST_SIZE_2)
+- RSVMAP_ENTRY(0, 0)
++ RSVMAP_ENTRY(TEST_ADDR_1H, TEST_ADDR_1L, TEST_SIZE_1H, TEST_SIZE_1L)
++ RSVMAP_ENTRY(TEST_ADDR_2H, TEST_ADDR_2L, TEST_SIZE_2H, TEST_SIZE_2L)
++ RSVMAP_ENTRY(0, 0, 0, 0)
+ test_tree1_rsvmap_end:
+
+ test_tree1_struct:
+ BEGIN_NODE("")
+ PROP_STR(test_tree1, compatible, "test_tree1")
+ PROP_INT(test_tree1, prop_int, TEST_VALUE_1)
+- PROP_INT64(test_tree1, prop_int64, TEST_VALUE64_1)
++ PROP_INT64(test_tree1, prop_int64, TEST_VALUE64_1H, TEST_VALUE64_1L)
+ PROP_STR(test_tree1, prop_str, TEST_STRING_1)
+ PROP_INT(test_tree1, address_cells, 1)
+ PROP_INT(test_tree1, size_cells, 0)