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some changes, preparing for async

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This commit is contained in:
Gregor Haas
2020-02-10 19:02:30 -05:00
parent 200865c8a6
commit 0e094be537
8 changed files with 89 additions and 97 deletions
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1
c8_libpayload/pl/CMakeLists.txt
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@@ -1,5 +1,6 @@
project(checkm8_libpayload_sources C ASM)
include_directories(include)
include_directories(include/openssl)
set(CMAKE_SYSTEM_PROCESSOR arm)
if(${CMAKE_HOST_SYSTEM_PROCESSOR} STREQUAL "x86_64")

26
c8_libpayload/pl/src/bootstrap.c
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@@ -1,26 +0,0 @@
#include "util.h"
TEXT_SECTION
unsigned long long _start()
{
// unsigned long long platform_quiesce_hardware = 0x100007dd0;
// unsigned long long enter_critical_section = 0x10000a4b8;
// unsigned long long halt = 0x1000004fc;
// unsigned long long timer_deadline_enter = 0x10000b874;
// unsigned long long now, later;
//
// ((BOOTROM_FUNC) platform_quiesce_hardware)();
// //((BOOTROM_FUNC) enter_critical_section)();
//
// __asm__ volatile ("mrs %0, cntpct_el0" : "=r" (now));
// ((BOOTROM_FUNC) timer_deadline_enter)(now + (24000000) - 64, ((BOOTROM_FUNC) 0x10000b924));
// ((BOOTROM_FUNC) halt)();
// __asm__ volatile ("mrs %0, cntpct_el0" : "=r" (later));
volatile unsigned long long regval = 0xffff;
__asm__ volatile ("mrs %0, fpcr" : "=r" (regval));
regval = (1u << 24u);
__asm__ volatile ("msr fpcr, %0" : "=r" (regval));
return regval;
}

6
c8_libpayload/pl/src/exit_usb_task.c
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@@ -43,14 +43,14 @@ void fix_heap()
}
TEXT_SECTION
void _start()
void _start(unsigned long long ptr_self)
{
unsigned int *completion = (unsigned int *) 0x180088ac8;
unsigned char *dfu_done = (unsigned char *) 0x180088ac0;
unsigned long long *dfu_event = (unsigned long long *) 0x180088af0;
BOOTROM_FUNC event_signal = ((BOOTROM_FUNC) 0x10000aee8);
BOOTROM_FUNC enter_critical_section = ((BOOTROM_FUNC) 0x10000a4b8);
BOOTROM_FUNC free = ((BOOTROM_FUNC) 0x10000f1b0);
fix_heap();
@@ -58,5 +58,5 @@ void _start()
*dfu_done = 1;
event_signal(dfu_event);
// enter_critical_section();
free(ptr_self);
}

25
c8_libpayload/pl/src/floppysleep.c
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@@ -29,22 +29,19 @@ unsigned long long _start(float *init_a)
unsigned long long timer_deadline_enter = 0x10000b874;
unsigned long long halt = 0x1000004fc;
while(1)
__asm__ volatile ("isb\n\rmrs %0, cntpct_el0" : "=r" (start));
fs_load(init_a, 1);
for(i = 0; i < 8; i++) fs_routine();
__asm__ volatile ("isb\n\rmrs %0, cntpct_el0" : "=r" (end));
if(2 * end - start - 64 > 0)
{
__asm__ volatile ("isb\n\rmrs %0, cntpct_el0" : "=r" (start));
fs_load(init_a, 1);
for(i = 0; i < 8; i++) fs_routine();
__asm__ volatile ("isb\n\rmrs %0, cntpct_el0" : "=r" (end));
if(2 * end - start - 64 > 0)
{
((BOOTROM_FUNC) timer_deadline_enter)(2 * end - start - 64, ((BOOTROM_FUNC) 0x10000b924));
((BOOTROM_FUNC) halt)();
}
__asm__ volatile ("isb\n\rmrs %0, cntpct_el0" : "=r" (report));
j++;
((BOOTROM_FUNC) timer_deadline_enter)(2 * end - start - 64, ((BOOTROM_FUNC) 0x10000b924));
((BOOTROM_FUNC) halt)();
}
__asm__ volatile ("isb\n\rmrs %0, cntpct_el0" : "=r" (report));
j++;
return end - start;
}