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comparison gsm-fw/sysglue/sysinit.S @ 143:afceeeb2cba1

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Our nuc-fw is destined to become gsm-fw, so I went ahead and did the big hg mv
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Tue, 12 Nov 2013 05:35:48 +0000
parents nuc-fw/sysglue/sysinit.S@2c5160a9d652
children f05ae34f7ca0
comparison
equal deleted inserted replaced
142:15d5977390c2 143:afceeeb2cba1
1 /*
2 * This assembly module, which puts bits of code into several different
3 * sections, contains those essential entry point etc bits which are common
4 * to both the regular flashable build and the fc-xram development build.
5 */
6
7 .section iram.vectors,"ax",%progbits
8 .code 32
9 /* no useful handlers for the 5 error exceptions yet */
10 b .
11 b .
12 b .
13 b .
14 b .
15 /* IRQ */
16 b _INT_IRQ
17 /* FIQ */
18 b _INT_FIQ
19
20 .section xip.text,"ax",%progbits
21 .code 32
22 .globl _FlashorXram_entry
23 _FlashorXram_entry:
24 /* first order of business: copy iram.text to where it's supposed to be */
25 ldr r8, =__iramtext_flash_addr
26 ldr r9, =__iramtext_ram_addr
27 ldr r10, =__iramtext_size
28 1: ldmia r8!, {r0-r7}
29 stmia r9!, {r0-r7}
30 subs r10, r10, #0x20
31 bhi 1b
32 /* now we can call any function w/o worry as to where it lives */
33 /* clear int.bss and ext.bss, using bzero() from libc */
34 ldr r0, =__intbss_start
35 ldr r1, =__intbss_size
36 bl bzero
37 ldr r0, =__extbss_start
38 ldr r1, =__extbss_size
39 bl bzero
40 /* we can start Nucleus now! */
41 b INT_Initialize
42
43 /*
44 * riviera/support/exception.c references exit()
45 * The following kludge will allow us to pass the link for the time being
46 * until we can find a better solution, such as hooking into DAR maybe.
47 */
48
49 .globl exit
50 exit:
51 b .