Yes, the #PentaPi (Raspberry Pi 5) can run 32-bit kernels and commands. The official Raspberry Pi OS offers a 32-bit version with a Kernel version of 6.1 that is compatible with all Raspberry Pi models
Yes, a 32-bit kernel can run 64-bit binaries and vice versa¹. This is possible because the CPU can be switched from 64-bit execution mode to 32-bit when it traps into kernel context, and a 32-bit kernel can still be constructed to understand the structures passed in from 64-bit user-space apps¹. However, you cannot mix 32-bit libraries with a 64-bit application, as pointers passed between them would be truncated¹. It's also important to note that not all 32-bit kernels are capable of running 64-bit processes¹. For instance, Windows doesn't have this property and it's rarely seen on Linux¹. As for the #pentapi specifically, I couldn't find any specific information about its compatibility with 32-bit kernels or commands. You may need to refer to the specific documentation or support resources for the #pentapi for more detailed information. If you have any other questions, feel free to ask! 😊 Source: Conversation with Bing, 19/11/2023 (1) How come a 32 bit kernel can run a 64 bit binary?. stackoverflow.com/questions/49934/how-come-a-32-bit-kernel-can-run-a-64-bit-binary. (2) Can you enter x64 32-bit "long compatibility sub-mode" outside of .... stackoverflow.com/questions/12716419/can-you-enter-x64-32-bit-long-compatibility-sub-mode-outside-of-kernel-mode. (3) How are 32-bit applications and multilib libraries supported in RHEL .... access.redhat.com/solutions/509373.
Can the #PentaPi run 32bit kernel/cmds?
Yes, the #PentaPi (Raspberry Pi 5) can run 32-bit kernels and commands. The official Raspberry Pi OS offers a 32-bit version with a Kernel version of 6.1 that is compatible with all Raspberry Pi models
Yes, a 32-bit kernel can run 64-bit binaries and vice versa¹. This is possible because the CPU can be switched from 64-bit execution mode to 32-bit when it traps into kernel context, and a 32-bit kernel can still be constructed to understand the structures passed in from 64-bit user-space apps¹. However, you cannot mix 32-bit libraries with a 64-bit application, as pointers passed between them would be truncated¹.
It's also important to note that not all 32-bit kernels are capable of running 64-bit processes¹. For instance, Windows doesn't have this property and it's rarely seen on Linux¹.
As for the #pentapi specifically, I couldn't find any specific information about its compatibility with 32-bit kernels or commands. You may need to refer to the specific documentation or support resources for the #pentapi for more detailed information. If you have any other questions, feel free to ask! 😊
Source: Conversation with Bing, 19/11/2023
(1) How come a 32 bit kernel can run a 64 bit binary?. stackoverflow.com/questions/49934/how-come-a-32-bit-kernel-can-run-a-64-bit-binary.
(2) Can you enter x64 32-bit "long compatibility sub-mode" outside of .... stackoverflow.com/questions/12716419/can-you-enter-x64-32-bit-long-compatibility-sub-mode-outside-of-kernel-mode.
(3) How are 32-bit applications and multilib libraries supported in RHEL .... access.redhat.com/solutions/509373.