diff options
Diffstat (limited to 'demo_functionality.c')
| -rw-r--r-- | demo_functionality.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/demo_functionality.c b/demo_functionality.c index c6f7e5c..206dd2b 100644 --- a/demo_functionality.c +++ b/demo_functionality.c @@ -3,6 +3,7 @@ #include "memory.h" #include "translation_table_descriptors.h" #include "libkernel.h" +#include "ramfs.h" void demo_paging_support(void) { @@ -88,12 +89,22 @@ void demo_setup_libkernel(void) { } extern char - _binary_PL_0_test_img_start, - _binary_PL_0_test_img_end, - _binary_PL_0_test_img_size; + _binary_ramfs_img_start, + _binary_ramfs_img_end, + _binary_ramfs_img_size; void demo_setup_PL0(void) { + // find PL_0_test.img im ramfs + struct ramfile PL_0_test_img; + + if (find_file(&_binary_ramfs_img_start, "PL_0_test.img", + &PL_0_test_img)) + { + uart_puts("PL_0_test.img not found :(\r\n"); + asm volatile ("wfi"); + } + short_section_descriptor_t volatile *PL0_section_entry = &TRANSLATION_TABLE[PL0_SECTION_NUMBER]; short_section_descriptor_t volatile *UART_memory_section_entry = @@ -136,9 +147,9 @@ void demo_setup_PL0(void) uart_puts((char*) VIRTUAL_PL0_MEMORY_START); // now paste a userspace program to that section - for (size_t i = 0; i < (size_t) &_binary_PL_0_test_img_size; i++) + for (uint32_t i = 0; i < PL_0_test_img.file_size; i++) ((volatile char*) VIRTUAL_PL0_MEMORY_START)[i] = - (&_binary_PL_0_test_img_start)[i]; + PL_0_test_img.file_contents[i]; uart_puts("copied PL0 and libkernel code to their sections\n\r"); } |