| Line 4... |
Line 4... |
//
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//
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// Project: CMod S6 System on a Chip, ZipCPU demonstration project
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// Project: CMod S6 System on a Chip, ZipCPU demonstration project
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//
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//
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// Purpose: These are the routines from kernel.c that didn't need to be
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// Purpose: These are the routines from kernel.c that didn't need to be
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// in RAM memory. They are specifically the pre-run setup
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// in RAM memory. They are specifically the pre-run setup
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// routines.
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// routines that are executed from FLASH memory.
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//
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//
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// Creator: Dan Gisselquist, Ph.D.
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// Creator: Dan Gisselquist, Ph.D.
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// Gisselquist Technology, LLC
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// Gisselquist Technology, LLC
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//
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//
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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| Line 56... |
Line 56... |
|
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#define CONTEXT_LENGTH 100000 // 1ms
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#define CONTEXT_LENGTH 100000 // 1ms
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|
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int LAST_TASK;
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int LAST_TASK;
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|
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__attribute__((cold))
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TASKP *ksetup(void) {
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TASKP *ksetup(void) {
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TASKP *tasklist;
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TASKP *tasklist;
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IOSPACE *sys = (IOSPACE *)IOADDR;
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IOSPACE *sys = (IOSPACE *)IOADDR;
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|
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sys->io_spio = 0x0f0;
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sys->io_spio = 0x0f0;
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| Line 76... |
Line 77... |
|
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rxpipe = new_syspipe(16); //rxpipe->m_wrtask=INTERRUPT_WRITE_TASK;
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rxpipe = new_syspipe(16); //rxpipe->m_wrtask=INTERRUPT_WRITE_TASK;
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txpipe = new_syspipe(8); txpipe->m_rdtask = INTERRUPT_READ_TASK;
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txpipe = new_syspipe(8); txpipe->m_rdtask = INTERRUPT_READ_TASK;
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keypipe = new_syspipe(16);
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keypipe = new_syspipe(16);
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lcdpipe = new_syspipe(16);
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lcdpipe = new_syspipe(16);
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pwmpipe = new_syspipe(256); pwmpipe->m_rdtask= INTERRUPT_READ_TASK;
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pwmpipe = new_syspipe(128); pwmpipe->m_rdtask= INTERRUPT_READ_TASK;
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cmdpipe = new_syspipe(16);
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cmdpipe = new_syspipe(16);
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|
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tasklist = sys_malloc(sizeof(TASKP)*(1+LAST_TASK));
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tasklist = sys_malloc(sizeof(TASKP)*(1+LAST_TASK));
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kinit(tasklist);
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kinit(tasklist);
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tasklist[LAST_TASK] = new_task(2, idle_task);
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tasklist[LAST_TASK] = new_task(2, idle_task);
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| Line 110... |
Line 111... |
for(int i=0; i<40000; i++)
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for(int i=0; i<40000; i++)
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sys->io_spio = ((i>>14)&2)|0x020;
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sys->io_spio = ((i>>14)&2)|0x020;
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sys->io_spio = 0x0f7;
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sys->io_spio = 0x0f7;
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}
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}
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|
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// __attribute__((noreturn))
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void kuserexit(int a) {
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void kuserexit(int a) {
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syscall(TRAPID_EXIT, a, 0, 0);
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syscall(TRAPID_EXIT, a, 0, 0);
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}
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}
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|
|
|
__attribute__((malloc))
|
void *sys_malloc(int sz) {
|
void *sys_malloc(int sz) {
|
{
|
if (0) {
|
SCOPE *s = (SCOPE *)SCOPEADDR;
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SCOPE *s = (SCOPE *)SCOPEADDR;
|
s->s_control = TRIGGER_SCOPE_NOW | (s->s_control & 0x0ffff);
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s->s_control = TRIGGER_SCOPE_NOW | (s->s_control & 0x0ffff);
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}
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}
|
|
|
void *res = heap;
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void *res = heap;
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| Line 130... |
Line 133... |
asm("break 0");
|
asm("break 0");
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}
|
}
|
return res;
|
return res;
|
}
|
}
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|
|
|
KFILDES *kopen(int id, KDEVICE *dev) {
|
|
KFILDES *fd = (KFILDES *)sys_malloc(sizeof(KFILDES));
|
|
fd->id = (int)id;
|
|
fd->dev= dev;
|
|
return fd;
|
|
}
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No newline at end of file
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No newline at end of file
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