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NAME="HAL-INTRODUCTION">Chapter 6. Introduction</H1
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NAME="HAL-INTRODUCTION">Chapter 6. Introduction</H1
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><P
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>This is an initial specification of the <SPAN
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>This is an initial specification of the <SPAN
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><I
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>eCos</I
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>eCos</I
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> Hardware Abstraction Layer (HAL). The HAL abstracts
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> Hardware Abstraction Layer (HAL). The HAL abstracts
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the underlying hardware of a processor architecture and/or the
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the underlying hardware of a processor architecture and/or the
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platform to a level sufficient for the eCos kernel to be ported onto
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platform to a level sufficient for the eCos kernel to be ported onto
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that platform.</P
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that platform.</P
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>Caveat: </B
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>Caveat: </B
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>This document is an informal description of the HAL capabilities and
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>This document is an informal description of the HAL capabilities and
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is not intended to be full documentation, although it may be used as a
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is not intended to be full documentation, although it may be used as a
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source for such. It also describes the HAL as it is currently
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source for such. It also describes the HAL as it is currently
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implemented for the architectures targeted in this release. It most
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implemented for the architectures targeted in this release. It most
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closely describes the HALs for the MIPS, I386 and PowerPC HALs. Other
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closely describes the HALs for the MIPS, I386 and PowerPC HALs. Other
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architectures are similar but may not be organized precisely as
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architectures are similar but may not be organized precisely as
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described here.</P
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described here.</P
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>The eCos Hardware Abstraction Layer (HAL)</TD
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