FreeCalypso > hg > freecalypso-sw
diff gsm-fw/sysglue/sysinit.S @ 143:afceeeb2cba1
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> |
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date | Tue, 12 Nov 2013 05:35:48 +0000 |
parents | nuc-fw/sysglue/sysinit.S@2c5160a9d652 |
children | f05ae34f7ca0 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gsm-fw/sysglue/sysinit.S Tue Nov 12 05:35:48 2013 +0000 @@ -0,0 +1,51 @@ +/* + * This assembly module, which puts bits of code into several different + * sections, contains those essential entry point etc bits which are common + * to both the regular flashable build and the fc-xram development build. + */ + + .section iram.vectors,"ax",%progbits + .code 32 +/* no useful handlers for the 5 error exceptions yet */ + b . + b . + b . + b . + b . +/* IRQ */ + b _INT_IRQ +/* FIQ */ + b _INT_FIQ + + .section xip.text,"ax",%progbits + .code 32 + .globl _FlashorXram_entry +_FlashorXram_entry: +/* first order of business: copy iram.text to where it's supposed to be */ + ldr r8, =__iramtext_flash_addr + ldr r9, =__iramtext_ram_addr + ldr r10, =__iramtext_size +1: ldmia r8!, {r0-r7} + stmia r9!, {r0-r7} + subs r10, r10, #0x20 + bhi 1b +/* now we can call any function w/o worry as to where it lives */ +/* clear int.bss and ext.bss, using bzero() from libc */ + ldr r0, =__intbss_start + ldr r1, =__intbss_size + bl bzero + ldr r0, =__extbss_start + ldr r1, =__extbss_size + bl bzero +/* we can start Nucleus now! */ + b INT_Initialize + +/* + * riviera/support/exception.c references exit() + * The following kludge will allow us to pass the link for the time being + * until we can find a better solution, such as hooking into DAR maybe. + */ + + .globl exit +exit: + b .