FreeCalypso > hg > freecalypso-sw

annotate gsm-fw/sysglue/sysinit.S @ 268:debdb5f926d8

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
gtamodem-etmffsrw-{ext,int} configs: drop TMFFS1, we've settled on TMFFS2
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Thu, 06 Feb 2014 01:55:47 +0000
parents afceeeb2cba1
children f05ae34f7ca0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
79
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1 /*
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
2 * This assembly module, which puts bits of code into several different
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
3 * sections, contains those essential entry point etc bits which are common
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
4 * to both the regular flashable build and the fc-xram development build.
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
5 */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
6
87
321f6a9ae989 nuc-fw: fixed .section and .align assembly directives
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 80
diff changeset
7 .section iram.vectors,"ax",%progbits
79
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
8 .code 32
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
9 /* no useful handlers for the 5 error exceptions yet */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
10 b .
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
11 b .
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
12 b .
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
13 b .
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
14 b .
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
15 /* IRQ */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
16 b _INT_IRQ
132
2c5160a9d652 nuc-fw: switched from nucdemo to Riviera, got some serial output
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 87
diff changeset
17 /* FIQ */
2c5160a9d652 nuc-fw: switched from nucdemo to Riviera, got some serial output
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 87
diff changeset
18 b _INT_FIQ
79
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
19
87
321f6a9ae989 nuc-fw: fixed .section and .align assembly directives
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 80
diff changeset
20 .section xip.text,"ax",%progbits
79
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
21 .code 32
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
22 .globl _FlashorXram_entry
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
23 _FlashorXram_entry:
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
24 /* first order of business: copy iram.text to where it's supposed to be */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
25 ldr r8, =__iramtext_flash_addr
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
26 ldr r9, =__iramtext_ram_addr
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
27 ldr r10, =__iramtext_size
80
39b1c369b67f nuc-fw: links to an ELF image
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 79
diff changeset
28 1: ldmia r8!, {r0-r7}
39b1c369b67f nuc-fw: links to an ELF image
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 79
diff changeset
29 stmia r9!, {r0-r7}
79
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
30 subs r10, r10, #0x20
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
31 bhi 1b
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
32 /* now we can call any function w/o worry as to where it lives */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
33 /* clear int.bss and ext.bss, using bzero() from libc */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
34 ldr r0, =__intbss_start
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
35 ldr r1, =__intbss_size
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
36 bl bzero
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
37 ldr r0, =__extbss_start
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
38 ldr r1, =__extbss_size
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
39 bl bzero
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
40 /* we can start Nucleus now! */
947b1f473960 beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
41 b INT_Initialize
132
2c5160a9d652 nuc-fw: switched from nucdemo to Riviera, got some serial output
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 87
diff changeset
42
2c5160a9d652 nuc-fw: switched from nucdemo to Riviera, got some serial output
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 87
diff changeset
43 /*
2c5160a9d652 nuc-fw: switched from nucdemo to Riviera, got some serial output
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 87
diff changeset
44 * riviera/support/exception.c references exit()
2c5160a9d652 nuc-fw: switched from nucdemo to Riviera, got some serial output
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 87
diff changeset
45 * The following kludge will allow us to pass the link for the time being
2c5160a9d652 nuc-fw: switched from nucdemo to Riviera, got some serial output
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 87
diff changeset
46 * until we can find a better solution, such as hooking into DAR maybe.
2c5160a9d652 nuc-fw: switched from nucdemo to Riviera, got some serial output
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 87
diff changeset
47 */
2c5160a9d652 nuc-fw: switched from nucdemo to Riviera, got some serial output
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 87
diff changeset
48
2c5160a9d652 nuc-fw: switched from nucdemo to Riviera, got some serial output
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 87
diff changeset
49 .globl exit
2c5160a9d652 nuc-fw: switched from nucdemo to Riviera, got some serial output
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 87
diff changeset
50 exit:
2c5160a9d652 nuc-fw: switched from nucdemo to Riviera, got some serial output
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 87
diff changeset
51 b .