blob: 5c1ca9849087d3816966aea46c630ede456f097a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
diff -r -u cyfx3sdk/fw_build/boot_fw/cyfx3.ld cyfx3sdk-modified/fw_build/boot_fw/cyfx3.ld
--- cyfx3sdk/fw_build/boot_fw/cyfx3.ld 2018-05-23 02:25:01.000000000 -0700
+++ cyfx3sdk-modified/fw_build/boot_fw/cyfx3.ld 2020-08-22 14:54:46.407481500 -0700
@@ -39,12 +39,18 @@
MEMORY
{
+ BLANK : ORIGIN = 0x40070000 LENGTH = 0x0100
SYS_MEM : ORIGIN = 0x40078000 LENGTH = 0x7000
DATA : ORIGIN = 0x4007F000 LENGTH = 0x1000
}
SECTIONS
{
+ .blank :
+ {
+ . += 0x100;
+ } > BLANK
+
.text :
{
*(RESET)
diff -r -u cyfx3sdk/fw_build/fx3_fw/cyfxtx.c cyfx3sdk-modified/fw_build/fx3_fw/cyfxtx.c
--- cyfx3sdk/fw_build/fx3_fw/cyfxtx.c 2018-05-23 02:25:01.000000000 -0700
+++ cyfx3sdk-modified/fw_build/fx3_fw/cyfxtx.c 2020-08-21 12:34:14.344699800 -0700
@@ -98,7 +98,7 @@
area which is used by the application code as well as the drivers to allocate thread
stacks and other internal data structures.
*/
-#define CY_U3P_MEM_HEAP_BASE (0x40038000)
+#define CY_U3P_MEM_HEAP_BASE (0x40044000)
#define CY_U3P_MEM_HEAP_SIZE (0x8000)
/*
diff -r -u cyfx3sdk/fw_build/fx3_fw/fx3_512k.ld cyfx3sdk-modified/fw_build/fx3_fw/fx3_512k.ld
--- cyfx3sdk/fw_build/fx3_fw/fx3_512k.ld 2018-05-23 02:25:01.000000000 -0700
+++ cyfx3sdk-modified/fw_build/fx3_fw/fx3_512k.ld 2020-08-21 12:34:14.345050200 -0700
@@ -32,11 +32,11 @@
The default memory map used for FX3 applications is as follows:
Descriptor area Base: 0x40000000 Size: 12KB
- Code area Base: 0x40003000 Size: 180KB
- Data area Base: 0x40030000 Size: 32KB
- Driver heap Base: 0x40038000 Size: 32KB (Update cyfxtx.c to change this.)
- Buffer area Base: 0x40040000 Size: 224KB (Update cyfxtx.c to change this.)
- 2-stage boot area Base: 0x40078000 Size: 32KB (Update cyfxtx.c to change this.)
+ Code area Base: 0x40003000 Size: 212KB
+ Data area Base: 0x40038000 Size: 32KB
+ Heap Base: 0x40040000 Size: 16KB
+ Driver heap Base: 0x40044000 Size: 32KB (Update cyfxtx.c to change this.)
+ Buffer area Base: 0x4004C000 Size: 208KB (Update cyfxtx.c to change this.)
Interrupt handlers are placed in I-TCM (16KB). The first 256 bytes of ITCM are
reserved for Exception Vectors and will be loaded during firmware initialization.
@@ -58,8 +58,8 @@
MEMORY
{
I-TCM : ORIGIN = 0x100 LENGTH = 0x3F00
- SYS_MEM : ORIGIN = 0x40003000 LENGTH = 0x2D000
- DATA : ORIGIN = 0x40030000 LENGTH = 0x8000
+ SYS_MEM : ORIGIN = 0x40003000 LENGTH = 0x35000
+ DATA : ORIGIN = 0x40038000 LENGTH = 0x8000
}
SECTIONS
@@ -114,5 +114,17 @@
. = ALIGN(4);
} > DATA
__exidx_end = .;
+
+ PROVIDE(__exidx_end = __exidx_end);
+
+ . = ALIGN(4);
+ __heap_start = 0x40040000;
+ PROVIDE(__heap_start = __heap_start);
+
+ . = ALIGN(4);
+ __heap_end = 0x40044000;
+ PROVIDE(__heap_end = __heap_end);
+
+ PROVIDE(__heap_size = __heap_end - __heap_start);
}
|
