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author | Josh Rahm <joshuarahm@gmail.com> | 2020-11-25 16:53:24 -0700 |
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committer | Josh Rahm <joshuarahm@gmail.com> | 2020-11-25 16:53:24 -0700 |
commit | ee89199793683b3120a55f1c1887e12333c5ea7e (patch) | |
tree | 2996b7645b6ab727bd9c6ee7f7062626d3ff7023 /src/kern/main.c | |
parent | 6d22b0dfc7761a605758552d5824f8039ac5a00f (diff) | |
download | stm32l4-ee89199793683b3120a55f1c1887e12333c5ea7e.tar.gz stm32l4-ee89199793683b3120a55f1c1887e12333c5ea7e.tar.bz2 stm32l4-ee89199793683b3120a55f1c1887e12333c5ea7e.zip |
Add ability to jump to a usermode init routine.
This routine will has a newly allocated stack.
I found out that when using the st-flash utility it likes to reset the
device with the IPSR in HARD FAULT mode (?) so I have to manually hit
the reset button to get it to work.
Diffstat (limited to 'src/kern/main.c')
-rw-r--r-- | src/kern/main.c | 14 |
1 files changed, 1 insertions, 13 deletions
diff --git a/src/kern/main.c b/src/kern/main.c index 3af8beb..4fddb0a 100644 --- a/src/kern/main.c +++ b/src/kern/main.c @@ -35,19 +35,7 @@ void configure_mpu() int main() { configure_mpu(); - - klogf("Outside of usermode, I can still log stuff using klogf()\n"); - - enter_user_mode(); - - logs("Now that I'm in user mode, I have to log stuff using a system call\n"); - logs( - "because I no longer have direct accss to USART2 and cannot use\n" - "klogf()\n"); - - - for (;;) - ; + jump_to_user_mode(); } #endif |